CN103428893B

CN103428893B - Carrying path establishment method, multi-link server and communication system

Info

Publication number: CN103428893B
Application number: CN201310326150.7A
Authority: CN
Inventors: 马泽芳; 周光涛; 郭爱鹏; 黄珂; 马铮
Original assignee: China United Network Communications Group Co Ltd
Current assignee: China United Network Communications Group Co Ltd
Priority date: 2013-07-30
Filing date: 2013-07-30
Publication date: 2016-06-01
Anticipated expiration: 2033-07-30
Also published as: CN103428893A

Abstract

The present invention provides a kind of carrying path establishment method, multi-link server and communication system. Described method comprises: multi-link server receives calling terminal and sends the multi-link call request carrying calling terminal identification and called terminal mark; Multi-link server identifies according to called terminal, inquire about the networked information of described called terminal registration, if the connection state that networked information comprises is access CS territory and PS territory network multi-link, then set up the carrying path, CS territory between calling and called terminal and carrying path, PS territory; If the connection state that networked information comprises is access CS territory or the single connection of PS territory network, then set up and carrying path, CS territory, caller side between calling terminal and carrying path, PS territory, caller side, and and called terminal between CS territory, called side or carrying path, PS territory. The embodiment of the present invention improves communication quality, reduces the communications cost between calling and called terminal simultaneously.

Description

Carrying path establishment method, multi-link server and communication system

Technical field

The present invention relates to the communication technology, particularly relate to a kind of carrying path establishment method, multi-link server and communication system.

Background technology

At present, point-to-point visual telephone service can be divided into circuit switching (CircuitSwitched, hereinafter referred to as CS) carrying path, territory and packet switching (PacketSwitch, hereinafter referred to as PS) carrying path, territory according to carrying path. Carrying path, CS territory has real-time, stability and reliability relatively advantages of higher, but its bandwidth is lower, the image resolution rate of video flowing is lower, and price height. Though and to have roomy, the price of band cheap carrying path, PS territory, but its stability and reliability are not high.

In prior art, terminal by network insertion CS territory networks such as GSM, WCDMACS territory or PSTN, simultaneously by network insertion PS territory networks such as the PS territory of WCDMA or ADSL. But in existing communication network, though multi-link terminal can access PS territory network and CS territory network simultaneously, and described PS territory network and CS territory network all available, but existing communication system only set up between support terminal one carrying path. Namely or be carrying path, PS territory namely when multi-link terminal call other-end, multi-link terminal also can only be selected a kind of network to connect and call out called terminal, and sets up a carrying path with called terminal, or is carrying path, CS territory. When carrying out multi-media session between multi-link terminal and called terminal, audio-frequency information and video information in multi-media session are all transmitted by the carrying path set up, if this carrying path is carrying path, CS territory, then the image resolution rate of the video information in multi-media session is lower, and price height, will reduce if this carrying path is carrying path, PS territory, the then stability of multi-media session and reliability.

Summary of the invention

The present invention provides a kind of carrying path establishment method, multi-link server and communication system, to set up many carrying paths between terminal, it is to increase communication quality.

The first aspect of the invention is to provide a kind of carrying path establishment method, comprising:

Multi-link server receives the multi-link call request that calling terminal sends, described multi-link call request carries calling terminal identification and called terminal mark, wherein, described multi-link call request is that to identify current connection state be access CS territory to described calling terminal and sends during PS territory network multi-link;

Described multi-link server identifies according to described called terminal, inquires about the networked information of described called terminal registration;

If the connection state that described networked information comprises is access CS territory and PS territory network multi-link, then described multi-link server sets up the carrying path, CS territory between described calling terminal and described called terminal and carrying path, PS territory;

If the connection state that described networked information comprises is the single connection of access CS territory network, then described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, CS territory, called side;

If the connection state that described networked information comprises is the single connection of access PS territory network, then described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side.

Another aspect of the present invention is to provide a kind of multi-link server, comprising:

First receiver module, for receiving the multi-link call request that calling terminal sends, described multi-link call request carries calling terminal identification and called terminal mark, wherein, described multi-link call request is that to identify current connection state be access CS territory to described calling terminal and sends during PS territory network multi-link;

Inquiry module, for according to described called terminal mark, inquiring about the networked information of described called terminal registration;

Module is set up in first path, for when the connection state that described networked information comprises be access CS territory and during PS territory network multi-link, set up the carrying path, CS territory between described calling terminal and described called terminal and carrying path, PS territory;

Module is set up in 2nd path, for when the connection state that described networked information comprises is the single connection accessing CS territory network, described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, CS territory, called side;

Module is set up in 3rd path, for when the connection state that described networked information comprises is the single connection accessing PS territory network, described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side.

An additional aspect of the present invention is to provide a kind of communication system, comprising: multi-link server and terminal; Wherein, described multi-link server is used for:

Receive the multi-link call request that calling terminal sends, described multi-link call request carries calling terminal identification and called terminal mark, wherein, described multi-link call request is that to identify current connection state be access CS territory to described calling terminal and sends during PS territory network multi-link;

According to described called terminal mark, inquire about the networked information of described called terminal registration;

If the connection state that described networked information comprises is access CS territory and PS territory network multi-link, then set up the carrying path, CS territory between described calling terminal and described called terminal and carrying path, PS territory;

If the connection state that described networked information comprises is the single connection of access CS territory network, then set up and carrying path, CS territory, caller side between described calling terminal and carrying path, PS territory, caller side, and and described called terminal between carrying path, CS territory, called side;

If the connection state that described networked information comprises is the single connection of access PS territory network, then set up and carrying path, CS territory, caller side between described calling terminal and carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side.

As shown from the above technical solution, the embodiment of the present invention is by setting up multi-link server in a communication network, when the multi-link terminal of multi-link terminal call, described multi-link server sets up the carrying path, PS territory between calling terminal and called terminal and carrying path, CS territory, to make full use of the real-time in carrying path, CS territory, audio-frequency information between the advantage such as stability and high reliability transmission calling and called, the video information utilizing the large bandwidth in carrying path, PS territory and price is cheap etc. between advantage transmission calling and called terminal, improve communication quality, reduce the communications cost between calling and called terminal simultaneously, when multi-link terminal call single connection terminal, multi-link server is set up and carrying path, PS territory between the multi-link terminal of caller and carrying path, CS territory respectively, and and called single connection terminal between CS territory or path, PS territory, so that the multi-link terminal of caller sends Audio and Video information by carrying path, PS territory and carrying path, CS territory to described multi-link server, it is sent to single connection terminal by after described Audio and Video information integration by the CS territory between single connection terminal or path, PS territory again by described multi-link server, achieve the foundation in many carrying paths between terminal, the communication quality between calling and called terminal can be improved to a certain extent, and reduce the total cost that multi-link terminal communicates with single connection terminal.

Accompanying drawing explanation

The structural representation of the communication system that Fig. 1 provides for the embodiment of the present invention one;

The schematic flow sheet of the carrying path establishment method that Fig. 2 provides for the embodiment of the present invention two;

The mutual schematic diagram of signaling of the carrying path establishment method that Fig. 3 provides for the embodiment of the present invention three;

The mutual schematic diagram of signaling of the carrying path establishment method that Fig. 4 provides for the embodiment of the present invention four;

The mutual schematic diagram of signaling of the carrying path establishment method that Fig. 5 provides for the embodiment of the present invention five;

The structural representation of the multi-link server that Fig. 6 provides for the embodiment of the present invention six;

The structural representation of the multi-link server that Fig. 7 provides for the embodiment of the present invention seven;

The structural representation of the multi-link server that Fig. 8 provides for the embodiment of the present invention eight.

Embodiment

For making full use of carrying path, CS territory and the advantage in carrying path, PS territory, reducing communications cost while ensureing high quality communication, the embodiment of the present invention has set up multi-link server in existing communication network. As shown in Figure 1, the structural representation of the communication system that the embodiment of the present invention one provides. The present embodiment one sets up a multi-link server 4 in the service providing layer of communication system. Communication system described in the present embodiment one comprises: multi-link server 4 and terminal (such as terminal UE a��UEg). The multi-link call request that described multi-link server 4 sends for receiving calling terminal, described multi-link call request carries calling terminal identification and called terminal mark, wherein, described multi-link call request is that to identify current connection state be access CS territory to described calling terminal and sends during PS territory network multi-link; According to described called terminal mark, inquire about the networked information of described called terminal registration; If the connection state that described networked information comprises is access CS territory and PS territory network multi-link, then set up the carrying path, CS territory between described calling terminal and described called terminal and carrying path, PS territory; If the connection state that described networked information comprises is the single connection of access CS territory network, then set up and carrying path, CS territory, caller side between described calling terminal and carrying path, PS territory, caller side, and and described called terminal between carrying path, CS territory, called side; If the connection state that described networked information comprises is the single connection of access PS territory network, then set up and carrying path, CS territory, caller side between described calling terminal and carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side.

More specifically, as shown in Figure 1, described communication system comprises: the core net equipment of map network, single connection server 5, multi-link server 4 and terminal in network control layer. The network interface that described terminal is provided by the network element device in network insertion layer accesses corresponding network core net equipment. Such as, the network interface that terminal UE b is provided by the network element device in mobile CS territory network insertion layer is linked into mobile core net equipment 1, simultaneously, the network interface that UEb also provides by the network element device in wireless broadband network Access Layer is linked into IP multi-media system (IPMultimediaSubsystem, hereinafter referred to as IMS) core net equipment 2. Terminal UE d is by public switch telephone network (PublicSwitchedTelephoneNetwork, hereinafter referred to as PSTN) the network interface that provides of network element device in Access Layer is linked into the fixing core net equipment 3 of PSTN, and described multi-link server 4 is connected with IMS core net equipment 2. Mobile core net equipment 1 and IMS core net equipment 2 communicate to connect, and IMS core net equipment 2 core net devices communicating fixing with PSTN is connected. Described single connection server 5 is connected with described IMS core net equipment 2, and described single connection server 5 is connected with described multi-link server 4. Information interaction between terminal and multi-link server need to be forwarded by the control of IMS core net equipment 2. Equally, information interaction between terminal and single connection server also need to be forwarded by the control of IMS core net equipment 2.

Here you need to add is that: the multi-link server described in the present embodiment one can realize the carrying path establishment method that following embodiment of the method provides, specifically can see the particular content described in following each embodiment of the method. In addition, the multi-link server described in the embodiment of the present invention one also can adopt the multi-link server that following apparatus embodiment provides, and the specific implementation structure of described multi-link server can see the particular content described in following apparatus embodiment.

The present embodiment is by setting up multi-link server in a communication network, when the multi-link terminal of multi-link terminal call, described multi-link server sets up the carrying path, PS territory between calling terminal and called terminal and carrying path, CS territory, with the audio-frequency information made full use of between the advantage transmission calling and called such as the real-time in carrying path, CS territory, stability and high reliability, the video information utilizing the large bandwidth in carrying path, PS territory and price is cheap etc. between advantage transmission calling and called terminal, improve communication quality, reduce the communications cost between calling and called terminal simultaneously, when multi-link terminal call single connection terminal, multi-link server is set up and carrying path, PS territory between the multi-link terminal of caller and carrying path, CS territory respectively, and and called single connection terminal between CS territory or path, PS territory, so that the multi-link terminal of caller sends Audio and Video information by carrying path, PS territory and carrying path, CS territory to described multi-link server, it is sent to single connection terminal by after described Audio and Video information integration by the CS territory between single connection terminal or path, PS territory again by described multi-link server, achieve the foundation in many carrying paths between terminal, the communication quality between calling and called terminal can be improved to a certain extent, and reduce the total cost that multi-link terminal communicates with single connection terminal.

Here you need to add is that: the multi-link terminal mentioned in various embodiments of the present invention is specially the terminal with following functions. This multi-link terminal possesses PS territory and the ability of CS territory connection, and is provided with the application that can simultaneously use multiple connection in terminal. Wherein, PS territory connects and CS territory connects and can provide by a physical interface (i.e. consolidated network), such as, and the PS territory of WCDMA and CS territory physical interface. PS territory connects and CS territory connects and can also provide by different physical interfaces (i.e. heterogeneous networks). Such as, PS territory connects use WLAN or ADSL network, and CS territory uses GSM, WCDMACS territory or PSTN network. The decomposition of this multi-link terminal supporting business stream and synthesis, namely multi-media information decomposition can be become multiple Business Stream, such as video flowing and audio frequency stream etc. by multi-link terminal; And the video flowing received and audio frequency stream can be known a synthesis multi-media information according to failing to be sold at auction.

For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.

As shown in Figure 2, the schematic flow sheet of the carrying path establishment method that the embodiment of the present invention two provides. As shown in Figure 2, method described in the present embodiment two comprises:

Step 101, multi-link server receive the multi-link call request that calling terminal sends, described multi-link call request carries calling terminal identification and called terminal mark, wherein, described multi-link call request is that to identify current connection state be access CS territory to described calling terminal and sends during PS territory network multi-link.

Specifically, the connection state that described calling terminal identification is current, namely current connected available network. When the current connection state identified is access CS territory and during PS territory network multi-link, described calling terminal sends described multi-link call request to described multi-link server. Wherein, described multi-link call request is different from setup requests of the prior art, this multi-link call request can be used for indicating described multi-link server to inquire about the networked information of called terminal registration, and according to described networked information, adopt different carrying path Establishment strategies, set up the carrying path between calling terminal and called terminal.

As shown in Figure 1, owing to described multi-link server 4 is in service providing layer, the signaling between each terminal being in terminal layer and described multi-link server 4 need to control to forward by being in the core net equipment of network control layer. Therefore, the multi-link terminal of caller can directly adopt business control signaling path, PS territory to send described multi-link call request to IMS core net equipment, then by described IMS core net equipment, described multi-link call request is forwarded to multi-link server. Certainly, described calling terminal also can adopt business control signaling path, CS territory to send described multi-link call request to the fixing core net equipment of mobile core net equipment or PSTN, and then by the fixing core net equipment of described mobile core net equipment or PSTN, described multi-link call request is forwarded to IMS core net equipment, finally by IMS core net equipment, described multi-link call request is forwarded to described multi-link server again. Obviously, business control signaling path, CS territory is adopted to send the method for multi-link call request compared with calling terminal, calling terminal directly adopts business control signaling path, PS territory to be sent the method for multi-link call request to described multi-link server by IMS core net equipment, transmission route is shorter, communicates simpler. Thus, in various embodiments of the present invention, the multi-link terminal of caller all adopts business control signaling path, PS territory to send multi-link call request by IMS core net equipment to described multi-link server.

Here it should be added that: the net equipment of IMS core described in the present embodiment can be: CSCF entity (CallSessionControlFunction, Call-Establish-Success rate function). Signaling control in described CSCF entity primary responsibility process multimedia call session process. Described mobile core net equipment can be: MSC(MobileSwitchingCenter, mobile switching centre) or MME(MobileManagementEentity, mobile management entity). Described PSTN is fixing, and core net equipment can be: fixed network soft switch center.

Step 102, described multi-link server identify according to described called terminal, inquire about the networked information of described called terminal registration.

Wherein, described multi-link server stores the networked information of terminal registration. This networked information comprises: the mark of the network element device of connection state and access PS territory and/or CS network, wherein, described connection state comprises: the single connection of access PS territory network, the single connection of access CS territory network, and access PS territory and CS territory network is multi-link. Specifically, when the current network break-in of terminal changes, or when having new terminal need to register networked information, described multi-link server can adopt renewal or storage that described terminal or described new terminal carry out networked information with the following method, and the method can specifically comprise the steps:

First, described multi-link server receives registration or the lastest imformation that terminal sends, described registration or lastest imformation carry terminal mark and networked information, and described networked information comprises: the mark of the network element device of the current connection state that described terminal recognition goes out and described terminal access PS territory and/or CS territory network.

Then, described multi-link server identifies according to described terminal, whether inquiry register list there is described terminal to identify, if having, then networked information corresponding for the mark of terminal described in described register list is updated to described registration or described networked information that lastest imformation is carried, otherwise, described terminal is identified with networked information corresponding stored in described register list.

If the connection state that the described networked information of step 103 comprises is access CS territory and PS territory network multi-link, then described multi-link server sets up the carrying path, CS territory between described calling terminal and described called terminal and carrying path, PS territory.

Specifically, described multi-link server sets up the carrying path, CS territory between described calling terminal and described called terminal and carrying path, PS territory, and following steps can be adopted to realize:

Step S11, described multi-link server identify according to described calling terminal identification and described called terminal, inquire about the networked information of described calling terminal registration and the networked information of described called terminal registration.

The mark of the network element device of the calling terminal access CS territory network that step S12, described multi-link server comprise according to the networked information that described calling terminal is registered, determine the route of the CS territory business of described calling terminal, the point device that rises of the route of described CS territory business is the network element device that described calling terminal accesses the mark correspondence of the network element device of CS territory network, and terminal equipment is described multi-link server.

Step S13, described multi-link server send the indication information carrying calling terminal CS territory business route to described calling terminal, to indicate described calling terminal according to described calling terminal CS territory business route, send the business foundation request of branch CS territory, caller side to the point device that rises of described route.

Specifically, if described terminal is by the CS territory of WCDMA or GSM physical interface access CS territory network, then the network element device of described terminal access CS territory network can be mobile core net equipment. If described terminal is by PSTN network interface access CS territory network, then the network element device of described terminal access CS territory network can be the fixing core net equipment of PSTN.

Branch CS territory, the described caller side business that step S14, described multi-link server receive described starting point device forwards sets up request.

Step S15, described multi-link server are retrieved as the reserved caller side CS field communication resource of described calling terminal, and generate the called side branch CS territory business carrying called terminal mark and described caller side CS field communication resource and set up request.

Specifically, described multi-link server is to MRS(MultimediaResourceServer, multimedia resource server) send the CS territory acquisition request conforms carrying calling terminal identification, so that described MRS is described calling terminal reserved caller side CS field communication resource, i.e. CS domain IP address, port and media stream process resource etc.

Or, described multi-link server can be made up of two servers, as being made up of multi-link multimedia application server and MRS. Described multi-link multimedia application server is responsible for process business control signaling, and described MRS is responsible for processing the conversion of media stream formats. That is, described multi-link multimedia application server be responsible for and signaling between each network element device and terminal alternately to set up the carrying path of MRS respectively and between two terminals, and to control MRS be each terminal distribution resource or Resource recovery. Described multi-link server is directly described calling terminal reserved caller side CS field communication resource.

Here it should be understood that following multi-link server is retrieved as the reserved caller side PS field communication resource of calling terminal, the PS territory reserved for called terminal and/or CS field communication resource, aforesaid method all can be adopted to realize, namely multi-link server is directly the reserved PS domain IP address of described calling terminal, port and media stream process resource etc., or send the PS territory acquisition request conforms carrying calling terminal identification to MRS, so that described MRS is described calling terminal reserved caller side PS field communication resource. Equally, described multi-link server is the resource such as the resources such as the reserved PS domain IP address of described called terminal, port and media stream process resource and/or CS domain IP address, port and media stream process resource.

The network element device mark of the called terminal access CS territory network that the networked information that step S16, described multi-link server are registered according to described called terminal comprises, the business request of setting up in described called side branch CS territory is sent to the network element device that the network element device mark of described called terminal access CS territory network is corresponding, so that described called side branch CS territory business is set up request forward to described called terminal by described network element device.

The called side branch CS territory business that step S17, described multi-link server receive the forwarding of described network element device sets up response, and it is that described called terminal is back to described network element device according to the foundation request of described called side branch CS territory business that described called side branch CS territory business sets up response.

Step S18, described multi-link server are retrieved as the reserved called side CS field communication resource of described called terminal, and generate branch CS territory, the caller side business carrying described calling terminal identification and described called side CS field communication resource and set up response, return branch CS territory, described caller side business to described point device and set up response, so that branch CS territory, described caller side business is set up response by described network element device is forwarded to described calling terminal.

Step S19, described multi-link server are retrieved as the reserved caller side PS field communication resource of described calling terminal, and generate the called side branch PS territory business carrying described called terminal mark and described caller side PS field communication resource and set up request, and the described called side branch PS territory business request of setting up is sent to described called terminal.

Step S110, described multi-link server receive the called side branch PS territory business foundation response carrying described calling terminal identification that described called terminal returns.

Step 111, described multi-link server are retrieved as the reserved called side PS field communication resource of described called terminal, and generate and carry described calling terminal identification and the multi-link call of described called side PS field communication resource, return described multi-link call to described calling terminal.

If the connection state that the described networked information of step 104 comprises is the single connection of access CS territory network, then described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, CS territory, called side.

Specifically, described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, CS territory, called side, following steps can be adopted to realize:

Step S21, described multi-link server, according to described calling terminal identification, inquire about the networked information of described calling terminal registration.

The mark of the network element device of the calling terminal access CS territory network that step S22, described multi-link server comprise according to the networked information that described calling terminal is registered, determine the route of the CS territory business of described calling terminal, the point device that rises of the route of described CS territory business is the network element device that described calling terminal accesses the mark correspondence of the network element device of CS territory network, and terminal equipment is described multi-link server.

Step S23, described multi-link server send the indication information carrying calling terminal CS territory business route to described calling terminal, to indicate described calling terminal according to described calling terminal CS territory business route, send the business foundation request of branch CS territory, caller side to the point device that rises of described route.

Branch CS territory, the described caller side business that step S24, described multi-link server receive described starting point device forwards sets up request.

Step S25, described multi-link server are retrieved as the reserved caller side PS field communication resource of described calling terminal and caller side CS field communication resource.

Step S26, described multi-link server sends to single connection server and carries described called terminal mark, the networked information of described called terminal, the multimedia service construction request of caller side PS field communication resource and caller side CS field communication resource, so that the network element device mark of the access CS territory network that comprises according to described networked information of described single connection server, send to the network element device that described network element device mark is corresponding and carry described called terminal mark, CS territory, the called side business of described caller side PS field communication resource and caller side CS field communication resource sets up request, by described network element device, CS territory, described called side business is set up request forward to described called terminal.

Wherein, described single connection server is existing network element device in prior art network of communication, and described single connection server provides the services such as basic service, supplementary service (such as caller ID display, caller ID display restriction etc.) and charging for single connection terminal. Wherein, described basic service comprises: for two terminals of different location set up carrying path (carrying path, PS territory or carrying path, CS territory), and transmission comprises the media information such as real-time voice, video data stream, data (comprising text), static image (such as photograph and picture).

Step S27, described multi-link server receive the multi-media business foundation response that described single connection server sends, it is that described single connection server receives after CS territory, the called side business that described network element device forwards sets up response and sends that described multi-media business sets up response, and CS territory, described called side business is set up the described called terminal of response and received after CS territory, described called side business sets up request and return.

Step S28, described multi-link server are retrieved as the reserved called side CS field communication resource of described called terminal.

Step S29, described multi-link server generate CS territory, the caller side business carrying described calling terminal identification and described called side CS field communication resource and set up response, and CS territory, described caller side business is set up response and is back to described initial plant, so that CS territory, described caller side business is set up response by described initial plant is sent to described calling terminal.

Step S210, described multi-link server generate and carry described calling terminal identification and the multi-link call of described called side CS field communication resource, and described multi-link call is sent to described calling terminal.

If the connection state that the described networked information of step 105 comprises is the single connection of access PS territory network, then described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side.

Wherein, described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side, following steps can be adopted to realize:

Step S31, described multi-link server, according to described calling terminal identification, inquire about the networked information of described calling terminal registration.

The mark of the network element device of the calling terminal access CS territory network that step S32, described multi-link server comprise according to the networked information that described calling terminal is registered, determine the route of the CS territory business of described calling terminal, the point device that rises of the route of described CS territory business is the network element device that described calling terminal accesses the mark correspondence of the network element device of CS territory network, and terminal equipment is described multi-link server.

Step S33, described multi-link server send the indication information carrying calling terminal CS territory business route to described calling terminal, to indicate described calling terminal according to described calling terminal CS territory business route, send the business foundation request of branch CS territory, caller side to the point device that rises of described route.

Branch CS territory, the described caller side business that step S34, described multi-link server receive described starting point device forwards sets up request.

Step S35, described multi-link server are retrieved as the reserved caller side PS field communication resource of described calling terminal and caller side CS field communication resource.

Step S36, described multi-link server send the multimedia service construction request carrying described called terminal mark, the networked information of described called terminal, described caller side PS field communication resource and caller side CS field communication resource to single connection server, so that described single connection server sends PS territory, the called side business carrying described called terminal mark, described caller side PS field communication resource and caller side CS field communication resource to described called terminal sets up request.

Step S37, described multi-link server receive the multi-media business that described single connection server sends and set up response, and it is that described single connection server receives after PS territory, the called side business that described called terminal returns sets up response and sends that described multi-media business sets up response.

Step S38, described multi-link server are retrieved as the reserved called side PS field communication resource of described called terminal.

Step S39, described multi-link server generate CS territory, the caller side business carrying described calling terminal identification and described called side PS field communication resource and set up response, and CS territory, described caller side business is set up response and is back to described initial plant, so that CS territory, described caller side business is set up response by described initial plant is sent to described calling terminal.

Step S310, described multi-link server generate and carry described calling terminal identification and the multi-link call of described called side PS field communication resource, and described multi-link call is sent to described calling terminal.

Here it should be understood that there is business control signaling path and Liang Zhong path, media bearer path between terminal and multi-link server. Business control signaling path is set up in media bearer path, release and using during amendment, and namely in each step of above-described embodiment between terminal and network element device, and what all adopt between each network element device is that command transmitting is carried out in business control signaling path. Media bearer path is for transmitting media information mutual between two communication terminals, namely the embodiment of the present invention set up calling terminal and called terminal between carrying path, PS territory and carrying path, CS territory, and carrying path, PS territory, caller side between multi-link server and calling terminal and carrying path, CS territory, caller side, and carrying path, PS territory, called side or the carrying path, CS territory between called terminal be media bearer path. Described business control signaling path and media bearer path include CS territory and two kinds, PS territory.

Further, after above-described embodiment one step 103, also comprise: the carrying path, CS territory between described calling terminal and described called terminal and carrying path, PS territory are bound by described multi-link server, and it is that the carrying path, CS territory bound carries the identical calling mark of path tag with PS territory; The information such as length when described multi-link server statistics has the carrying path, CS territory of same call mark and the data traffic in carrying path, PS territory and resource occupation; Described multi-link server is according to statistics, and the business generating described calling terminal and described called terminal uses information and service charging information.

After above-described embodiment one step 104, also comprise: described multi-link server binds carrying path, PS territory, described caller side, carrying path, CS territory, described caller side and carrying path, CS territory, described called side, and the calling that the carrying path, PS territory, described caller side of binding, carrying path, CS territory, described caller side and CS territory, described called side carrying path tag are identical is identified; The information such as length when described multi-link server statistics has the carrying path, PS territory, caller side of same call mark, the data traffic in carrying path, CS territory, described caller side and carrying path, CS territory, described called side and resource occupation; Described multi-link server is according to statistics, and the business generating described calling terminal and described called terminal uses information and service charging information.

After above-described embodiment one step 105, also comprise: described multi-link server binds carrying path, PS territory, described caller side, carrying path, CS territory, described caller side and carrying path, PS territory, described called side, and the calling that the carrying path, PS territory, described caller side of binding, carrying path, CS territory, described caller side and PS territory, described called side carrying path tag are identical is identified; The information such as length when described multi-link server statistics has the carrying path, PS territory, caller side of same call mark, the data traffic in carrying path, CS territory, described caller side and carrying path, PS territory, described called side and resource occupation; Described multi-link server is according to statistics, and the business generating described calling terminal and described called terminal uses information and service charging information.

Again further, after above-described embodiment one step 103, namely described multi-link server establishes the carrying path, PS territory between calling terminal and called terminal and after carrying path, CS territory, namely calling terminal and called terminal carry out the mutual of multi-media information by built vertical carrying path, PS territory and carrying path, CS territory, specifically:

Multi-media information decomposition is the audio-frequency information and the video information that carry identical services mark by calling terminal, described audio-frequency information is sent to called terminal by carrying path, described CS territory by described calling terminal, by carrying path, described PS territory, described video information is sent to described called terminal, so that audio-frequency information identical for service identification and video information are integrated into multi-media information by described called terminal.

After above-described embodiment one step 104, namely multi-link server establishes and carrying path, PS territory, caller side between calling terminal and carrying path, CS territory, caller side, and and called terminal between carrying path, CS territory, called side after, namely calling terminal and called terminal carry out the mutual of media information by built vertical carrying path, PS territory, caller side, carrying path, CS territory, caller side and carrying path, CS territory, called side, specifically:

Described multi-link server receives the video information carrying service identification that described calling terminal is sent by carrying path, PS territory, described caller side, receive the audio-frequency information carrying service identification that described calling terminal is sent by carrying path, CS territory, described caller side, the video information and audio-frequency information that carry identical services mark are integrated into multi-media information, and described multi-media information is sent to described called terminal by carrying path, CS territory, described called side; And/or the multi-media information that the described called terminal of described multi-link server reception is sent by carrying path, CS territory, described called side, it is the video information and the audio-frequency information that carry identical services mark by described multi-media information decomposition, and described video information is sent to described calling terminal by carrying path, PS territory, described caller side, audio-frequency information is sent to described calling terminal by carrying path, CS territory, described caller side.

After above-described embodiment one step 105, namely multi-link server establishes and carrying path, PS territory, caller side between calling terminal and carrying path, CS territory, caller side, and and called terminal between carrying path, PS territory, called side after, namely calling terminal and called terminal carry out the mutual of media information by built carrying path, PS territory, caller side, carrying path, CS territory, caller side and the carrying path, PS territory, called side stood, specifically:

Described multi-link server receives the video information carrying service identification that described calling terminal is sent by carrying path, PS territory, described caller side, receive the audio-frequency information carrying service identification that described calling terminal is sent by carrying path, CS territory, described caller side, the video information and audio-frequency information that carry identical services mark are integrated into multi-media information, and described multi-media information is sent to described called terminal by carrying path, PS territory, described called side; And/or the multi-media information that the described called terminal of described multi-link server reception is sent by carrying path, PS territory, described called side, it is the video information and the audio-frequency information that carry identical services mark by described multi-media information decomposition, and described video information is sent to described calling terminal by carrying path, PS territory, described caller side, audio-frequency information is sent to described calling terminal by carrying path, CS territory, described caller side.

Enumerate different call scenario below and to illustrate further the method that the embodiment of the present invention provides.

As shown in Figure 3, the mutual schematic diagram of signaling of the carrying path establishment method that the embodiment of the present invention three provides. The present embodiment three is the application scene of the multi-link terminal of multi-link terminal call. As shown in Figure 1, UEb is the multi-link terminal that the physical interface provided by wireless mobile CS territory network (such as GSM, WCDMACS territory etc.) and wireless broadband network (such as WLAN network, WCDMAPS territory etc.) accesses CS territory and PS territory network, and UEc is also the multi-link terminal that the physical interface provided by wireless mobile CS territory network (such as GSM, WCDMACS territory etc.) and wireless broadband network (such as WLAN network, WCDMAPS territory etc.) accesses CS territory and PS territory network.

Specifically, the mutual schematic diagram of signaling as shown in Figure 3, the carrying path establishment method that UEb calls out UEc comprises:

Step 301, UEb identify current connection state, when described connection state is access PS territory and during CS territory network multi-link, UEb sends described multi-link call request to IMS core net equipment, described multi-link call request is forwarded to described multi-link server by described IMS core net equipment, described multi-link call request carries UEb mark, UEc mark, and the multi-link session description information SDP-A of described UEb.

Step 302, described multi-link server are according to UEb mark and UEc mark, inquire about the networked information that described UEb and UEc registers, wherein, the networked information that described UEb registers comprises the network element device mark of connection state and UEb access PS territory and CS territory network, and the networked information of UEc registration comprises the network element device mark of connection state and UEc access PS territory and CS territory network.

The mark of the network element device of the access CS territory network that step 303, described multi-link server comprise according to the networked information that described UEb registers, determine the route of the CS territory business of described calling terminal, and sent the indication information carrying calling terminal CS territory business route to described UEb by IMS core net equipment, to indicate described UEb according to described calling terminal CS territory business route, send branch CS territory, caller side business to mobile core net equipment and set up request.

Wherein, the point device that rises of the route of described CS territory business is the network element device that described calling terminal accesses the mark correspondence of the network element device of CS territory network, i.e. mobile core net equipment. The terminal equipment of the route of described CS territory business is described multi-link server.

Step 304, described UEb, according to described indication information, send branch CS territory, the caller side business carrying the route that described UEb identifies the CS territory business with described UEb and set up request to mobile core net equipment. Described mobile core net equipment generates the CS territory session description information SDP-MGW-A of UEb. When branch CS territory, caller side business described in described mobile core net equipment relaying sets up request, the CS territory session description information SDP-MGW-B of described UEb is write branch CS territory, described caller side business and sets up request, and forward it to described IMS core net equipment, by described IMS core net equipment, branch CS territory, described caller side business is set up request forward to described multi-link server.

Step 305, described multi-link server is retrieved as the reserved caller side CS field communication resource of described UEb, and generate and carry UEc mark, the CS territory session description information SDP-MGW-B of UEb and the called side branch CS territory business of described caller side CS field communication resource set up request, and the UEc that the networked information registered according to described UEc comprises accesses the network element device mark of CS territory network, by IMS core net equipment, the business request of setting up in described called side branch CS territory is sent to the network element device of the network element device mark correspondence of described UEc access CS territory network, i.e. mobile core net equipment. described mobile core net equipment generates the CS territory session description information SDP-MGW-C of UEc. described called side branch CS territory business is set up request forward to described UEc by described mobile core net equipment.

Step 305 ', described UEc returns called side branch CS territory business to described mobile core net equipment and sets up response, when called side branch CS territory business described in described mobile core net device forwards sets up response, the CS territory session description information SDP-MGW-C of the described UEc generated is write described called side branch CS territory business and sets up response, and by IMS core net equipment, this called side branch CS territory business is set up response and be forwarded to described multi-link server.

Step 304 ', after described multi-link server receives the business foundation response of described called side branch CS territory, it is retrieved as the called side CS field communication resource that described UEc is reserved, and generate and carry described UEb and identify, the CS territory session description information SDP-MGW-C of described UEc and branch CS territory, the caller side business of described called side CS field communication resource set up response, by IMS core net equipment to a point device of described route, i.e. mobile core net equipment, return branch CS territory, described caller side business and set up response, so that described mobile core net equipment forwards branch CS territory, described caller side business to described UEc sets up response.

Step 306, described multi-link server are retrieved as the reserved caller side PS field communication resource of described UEb, and generate and carry described UEc mark, the PS territory session description information SDP-B of UEb and the called side branch PS territory business foundation request of described caller side PS field communication resource, the business request of setting up in described called side branch PS territory is sent to described UEc by IMS core net equipment.

Step 306 ', the described UEc called side branch PS territory business that returns the PS territory session description information SDP-C carrying described UEc to described multi-link server by IMS core net equipment set up response.

Step 301 ', described multi-link server receive after described called side branch PS territory business sets up response, it is retrieved as the called side PS field communication resource that described UEc is reserved, and generate and carry described UEb mark, the PS territory session description information SDP-C of UEc and the multi-link call of described called side PS field communication resource, return described multi-link call by described IMS core net equipment to described UEb.

Here it should be understood that above-described embodiment three illustrate only calling terminal and called terminal is the multi-link terminal of physical interface access CS territory and the PS territory network provided by wireless mobile CS territory network (such as GSM, WCDMACS territory etc.) and wireless broadband network (such as WLAN network, WCDMAPS territory). Described calling terminal and called terminal can also be all the multi-link terminal in the physical interface access PS territory that provides by two heterogeneous networks (such as ADSL network and PSTN network) and CS territory network, such as UEd and UEe in Fig. 1, the network element device of now described UEd access CS territory network is the network element device that the fixing core net equipment 3, UEe of PSTN accesses CS territory network is the fixing core net equipment 3 of PSTN. Therefore, when UEd calls out UEe, described for above-described embodiment three kinds mobile core net equipment changing the fixing core net equipment of PSTN into, other steps are identical, repeat no more herein.

As shown in Figure 4, the mutual schematic diagram of signaling of the carrying path establishment method that the embodiment of the present invention four provides. The present embodiment four is the application scene of the single connection terminal of multi-link terminal call access CS territory network. As shown in Figure 4, UEb is the multi-link terminal that the physical interface provided by wireless mobile CS territory network (such as GSM, WCDMACS territory etc.) and wireless broadband network (such as WLAN network, WCDMAPS territory) accesses CS territory and PS territory network. UEa is the single connection terminal of the physical interface access CS territory network provided by wireless mobile CS territory network (such as GSM, WCDMACS territory etc.).

Specifically, signaling diagram as shown in Figure 4, the method that UEb calls out UEa foundation carrying path comprises:

Step 401, UEb identify current connection state, when described connection state is access PS territory and during CS territory network multi-link, UEb sends the described multi-link call request of multi-link call request to IMS core net equipment, the described multi-link call request of multi-link call request is forwarded to described multi-link server by described IMS core net equipment, and the described multi-link call request of multi-link call request carries UEb mark and UEa mark.

Step 402, described multi-link server are according to UEb mark and UEa mark, inquire about the networked information that described UEb and UEa registers, wherein, the networked information that described UEb registers comprises the network element device mark of connection state and UEb access PS territory and CS territory network, and the networked information of UEa registration comprises connection state and the network element device mark of UEa access CS territory network.

The mark of the network element device of the access CS territory network that step 403, described multi-link server comprise according to the networked information that described UEb registers, determine the route of the CS territory business of described UEb, and sent the indication information carrying calling terminal CS territory business route to described UEb by IMS core net equipment, to indicate described UEb according to described calling terminal CS territory business route, send branch CS territory, caller side business to mobile core net equipment and set up request.

Wherein, the point device that rises of the route of described CS territory business is the network element device that described calling terminal accesses the mark correspondence of the network element device of CS territory network, i.e. described mobile core net equipment; The terminal equipment of the route of described CS territory business is described multi-link server.

Step 404, described UEb are according to described indication information, branch CS territory, the caller side business foundation request carrying described UEb and identifying is sent to described mobile core net equipment, so that branch CS territory, described caller side business is set up request forward to described IMS core net equipment by described mobile core net equipment, by described IMS core net equipment, branch CS territory, described caller side business is set up request forward to described multi-link server.

Step 405, described multi-link server are retrieved as the reserved caller side PS field communication resource of described UEb and caller side CS field communication resource.

Step 406, described multi-link server send to single connection server and carry that described UEa identifies, the multimedia service construction request of the networked information of described UEa, described caller side PS field communication resource and caller side CS field communication resource. The network element device mark of the access CS territory network that described single connection server comprises according to the networked information that described UEa registers, to the network element device that described network element device mark is corresponding, i.e. mobile core net equipment, send CS territory, the called side business carrying described CS field communication resource and set up request, by described mobile core net equipment, CS territory, described called side business is set up request forward to described UEa.

Step 406 ', UEa return CS territory, the called side business carrying UEa mark to described mobile core net equipment and set up response, CS territory, the described called side business received is set up response and is forwarded to described single connection server by described mobile core net equipment. After described single connection server receives the business foundation response of CS territory, described called side, return the multi-media business foundation response carrying described UEa and identifying to described multi-link server.

Step 407, described multi-link server are retrieved as the reserved called side CS field communication resource of described UEa.

Step 404 ', described multi-link server generates and carries described UEb and identify and CS territory, the caller side business of described called side CS field communication resource sets up response, and by IMS core net equipment, CS territory, described caller side business is set up response and be back to described mobile core net equipment, so that CS territory, described caller side business is set up response by described mobile core net equipment is sent to described UEb.

Step 401 ', described multi-link server generates and carries described UEb and identify and the multi-link call of described called side CS field communication resource, and by IMS core net equipment, described multi-link call is sent to described UEb.

Here it should be understood that it is the multi-link terminal that the physical interface provided by wireless mobile CS territory network (such as GSM, WCDMACS territory etc.) and wireless broadband network (such as WLAN network, WCDMAPS territory etc.) accesses CS territory and PS territory network that above-described embodiment three illustrate only calling terminal. Called terminal accesses the situation of the single connection terminal of CS territory network for the physical interface provided by wireless mobile CS territory network (such as GSM, WCDMACS territory etc.). In fact, described calling terminal can also be the PS territory of physical interface access and the multi-link terminal of CS territory network that provide by two heterogeneous networks (such as ADSL network and PSTN network), such as UEd and UEe in Fig. 1. Called terminal can also the single connection terminal of physical interface access CS territory network for being provided by PSTN network, such as the UEg in Fig. 1. Therefore, when UEd calls out UEg, the net equipment of mobile core described in above-described embodiment four changing the fixing core net equipment of PSTN into, other steps are identical, repeat no more herein.

As shown in Figure 5, the mutual schematic diagram of signaling of the carrying path establishment method that the embodiment of the present invention five provides. The present embodiment five is the application scene of the single connection terminal of multi-link terminal call access PS territory network. As shown in Figure 1, UEc is the multi-link terminal that the physical interface provided by wireless mobile CS territory network (such as GSM, WCDMACS territory etc.) and wireless broadband network (such as WLAN network, WCDMAPS territory) accesses CS territory and PS territory network. UEf is the single connection terminal of the physical interface access PS territory network provided by wired broadband network (such as ADSL etc.).

Specifically, signaling diagram as shown in Figure 5, the method that UEc calls out UEf foundation carrying path comprises:

Step 501, UEc identify current connection state, when described connection state is access PS territory and during CS territory network multi-link, UEc sends described multi-link call request to IMS core net equipment, described multi-link call request is forwarded to described multi-link server by described IMS core net equipment, and described multi-link call request carries UEc mark and UEf mark.

Step 502, described multi-link server, according to UEc mark and UEf mark, inquire about the networked information that described UEc and UEf registers, and wherein, the networked information that described UEc registers comprises the network element device mark of connection state and UEc access PS territory and CS territory network. The networked information that described UEf registers comprises connection state and the network element device mark of UEf access PS territory network.

The mark of the network element device of the access CS territory network that step 503, described multi-link server comprise according to the networked information that described UEc registers, determine the route of the CS territory business of described UEc, and sent the indication information carrying calling terminal CS territory business route to described UEc by IMS core net equipment, to indicate described UEc according to described calling terminal CS territory business route, send branch CS territory, caller side business to mobile core net equipment and set up request.

Step 504, described UEc are according to described indication information, branch CS territory, the caller side business foundation request carrying described UEc and identifying is sent to described mobile core net equipment, so that branch CS territory, described caller side business is set up request forward to described IMS core net equipment by described mobile core net equipment, by described IMS core net equipment, branch CS territory, described caller side business is set up request forward to described multi-link server.

Step 505, described multi-link server are retrieved as the reserved caller side PS field communication resource of described UEc and caller side CS field communication resource.

Step 506, described multi-link server send to single connection server and carry that described UEf identifies, the multimedia service construction request of the networked information of described UEf, caller side PS field communication resource and caller side CS field communication resource. Described single connection server is according to the networked information of described UEf, send PS territory, the called side business carrying described PS field communication resource to described IMS core net equipment and set up request, by described IMS core net equipment, PS territory, described called side business is set up request forward to UEf.

Step 506 ', UEf return to described IMS core net equipment and carry PS territory, the called side business that described UEf identifies and set up response, PS territory, the described called side business received is set up response and is forwarded to described single connection server by described IMS core net equipment. After described single connection server receives the business foundation response of PS territory, described called side, send the multi-media business foundation carrying described UEf mark to described multi-link server and respond.

Step 507, described multi-link server are retrieved as the reserved called side PS field communication resource of described UEf.

Step 504 ', described multi-link server generates and carries described UEc and identify and CS territory, the caller side business of called side PS field communication resource sets up response, and CS territory, described caller side business is set up response and is back to described mobile core net equipment, so that CS territory, described caller side business is set up response by described mobile core net equipment is sent to described UEc.

Step 501 ', described multi-link server generates and carries described UEc and identify and the multi-link call of described called side PS field communication resource, and by IMS core net equipment, described multi-link call is sent to described UEc.

It should be understood that for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the application is not by the restriction of described sequence of operation, because according to the application, some step can adopt other orders or carry out simultaneously. Secondly, those skilled in the art also should know, the embodiment described in specification sheets all belongs to preferred embodiment, and involved action and module might not be that the application is necessary.

One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can be completed by the hardware that programmed instruction is relevant. Aforesaid program can be stored in a computer read/write memory medium. This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage media comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.

As shown in Figure 6, the structural representation of the multi-link server that the embodiment of the present invention six provides. As shown in Figure 6, multi-link server described in the present embodiment six comprises: the first receiver module 10, module 30 is set up in module 20, first path, module 40 is set up in the 2nd path and module 50 is set up in the 3rd path in inquiry. Wherein, the multi-link call request that described first receiver module 10 sends for receiving calling terminal, described multi-link call request carries calling terminal identification and called terminal mark, wherein, described multi-link call request is that to identify current connection state be access CS territory to described calling terminal and sends during PS territory network multi-link. Described inquiry module 20 is for according to described called terminal mark, inquiring about the networked information of described called terminal registration. Described first path set up module 30 for when the connection state that described networked information comprises be access CS territory and during PS territory network multi-link, set up the carrying path, CS territory between described calling terminal and described called terminal and carrying path, PS territory. Module 40 is set up for when the connection state that described networked information comprises is the single connection accessing CS territory network in described 2nd path, described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, CS territory, called side. Module 50 is set up for when the connection state that described networked information comprises is the single connection accessing PS territory network in described 3rd path, described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side. Multi-link server described in the present embodiment can realize the carrying path establishment method described in above-mentioned each embodiment of the method, and specific implementation process, see foregoing, repeats no more herein.

The embodiment of the present invention is by setting up multi-link server in a communication network, when the multi-link terminal of multi-link terminal call, described multi-link server sets up the carrying path, PS territory between calling terminal and called terminal and carrying path, CS territory, with the audio-frequency information made full use of between the advantage transmission calling and called such as the real-time in carrying path, CS territory, stability and high reliability, the video information utilizing the large bandwidth in carrying path, PS territory and price is cheap etc. between advantage transmission calling and called terminal, improve communication quality, reduce the communications cost between calling and called terminal simultaneously, when multi-link terminal call single connection terminal, multi-link server is set up and carrying path, PS territory between the multi-link terminal of caller and carrying path, CS territory respectively, and and called single connection terminal between CS territory or path, PS territory, so that the multi-link terminal of caller sends Audio and Video information by carrying path, PS territory and carrying path, CS territory to described multi-link server, it is sent to single connection terminal by after described Audio and Video information integration by the CS territory between single connection terminal or path, PS territory again by described multi-link server, achieve the foundation in many carrying paths between terminal, the communication quality between calling and called terminal can be improved to a certain extent, and reduce the total cost that multi-link terminal communicates with single connection terminal.

Further, module is set up in described first path, specifically for identifying according to described calling terminal identification and described called terminal, inquires about the networked information of described calling terminal registration and the networked information of described called terminal registration; The mark of the network element device of the calling terminal access CS territory network that the networked information registered according to described calling terminal comprises, determine the route of the CS territory business of described calling terminal, the point device that rises of the route of described CS territory business is the network element device that described calling terminal accesses the mark correspondence of the network element device of CS territory network, and terminal equipment is described multi-link server; Send the indication information carrying calling terminal CS territory business route to described calling terminal, to indicate described calling terminal according to described calling terminal CS territory business route, send the business foundation request of branch CS territory, caller side to the point device that rises of described route; Branch CS territory, the described caller side business receiving described starting point device forwards sets up request; It is retrieved as the caller side CS field communication resource that described calling terminal is reserved, and generates the called side branch CS territory business carrying called terminal mark and described caller side CS field communication resource and set up request; The network element device mark of the called terminal access CS territory network that the networked information according to the registration of described called terminal comprises, the business request of setting up in described called side branch CS territory is sent to the network element device that the network element device mark of described called terminal access CS territory network is corresponding, so that described called side branch CS territory business is set up request forward to described called terminal by described network element device; The called side branch CS territory business receiving the forwarding of described network element device sets up response, and it is that described called terminal is back to described network element device according to the foundation request of described called side branch CS territory business that described called side branch CS territory business sets up response; It is retrieved as the called side CS field communication resource that described called terminal is reserved, and generate branch CS territory, the caller side business carrying described calling terminal identification and described called side CS field communication resource and set up response, return branch CS territory, described caller side business to described point device and set up response, so that branch CS territory, described caller side business is set up response by described network element device is forwarded to described calling terminal; It is retrieved as the caller side PS field communication resource that described calling terminal is reserved, and generate the called side branch PS territory business carrying described called terminal mark and described caller side PS field communication resource and set up request, and the described called side branch PS territory business request of setting up is sent to described called terminal; Receive the called side branch PS territory business foundation response carrying described calling terminal identification that described called terminal returns; It is retrieved as the called side PS field communication resource that described called terminal is reserved, and generates and carry described calling terminal identification and the multi-link call of described called side PS field communication resource, return described multi-link call to described calling terminal.

Module is set up in described 2nd path, specifically for according to described calling terminal identification, inquiring about the networked information of described calling terminal registration, the mark of the network element device of the calling terminal access CS territory network that the networked information registered according to described calling terminal comprises, determine the route of the CS territory business of described calling terminal, the point device that rises of the route of described CS territory business is the network element device that described calling terminal accesses the mark correspondence of the network element device of CS territory network, and terminal equipment is described multi-link server, send the indication information carrying calling terminal CS territory business route to described calling terminal, to indicate described calling terminal according to described calling terminal CS territory business route, send the business foundation request of branch CS territory, caller side to the point device that rises of described route, branch CS territory, the described caller side business receiving described starting point device forwards sets up request, it is retrieved as the reserved caller side PS field communication resource of described calling terminal and caller side CS field communication resource, send to single connection server and carry described called terminal mark, the networked information of described called terminal, the multimedia service construction request of caller side PS field communication resource and caller side CS field communication resource, so that the network element device mark of the access CS territory network that comprises according to described networked information of described single connection server, send to the network element device that described network element device mark is corresponding and carry described called terminal mark, CS territory, the called side business of described caller side PS field communication resource and caller side CS field communication resource sets up request, by described network element device, CS territory, described called side business is set up request forward to described called terminal, receive the multi-media business foundation response that described single connection server sends, it is that described single connection server receives after CS territory, the called side business that described network element device forwards sets up response and sends that described multi-media business sets up response, and CS territory, described called side business is set up the described called terminal of response and received after CS territory, described called side business sets up request and return, it is retrieved as the called side CS field communication resource that described called terminal is reserved, generate CS territory, the caller side business carrying described calling terminal identification and described called side CS field communication resource and set up response, and CS territory, described caller side business is set up response and is back to described initial plant, so that CS territory, described caller side business is set up response by described initial plant is sent to described calling terminal, generate and carry described calling terminal identification and the multi-link call of described called side CS field communication resource, and described multi-link call is sent to described calling terminal.

Further, module is set up in described 3rd path, specifically for according to described calling terminal identification, inquiring about the networked information of described calling terminal registration; The mark of the network element device of the calling terminal access CS territory network that the networked information registered according to described calling terminal comprises, determine the route of the CS territory business of described calling terminal, the point device that rises of the route of described CS territory business is the network element device that described calling terminal accesses the mark correspondence of the network element device of CS territory network, and terminal equipment is described multi-link server; Send the indication information carrying calling terminal CS territory business route to described calling terminal, to indicate described calling terminal according to described calling terminal CS territory business route, send the business foundation request of branch CS territory, caller side to the point device that rises of described route; Branch CS territory, the described caller side business receiving described starting point device forwards sets up request; It is retrieved as the reserved caller side PS field communication resource of described calling terminal and caller side CS field communication resource; The multimedia service construction request carrying described called terminal mark, the networked information of described called terminal, described caller side PS field communication resource and caller side CS field communication resource is sent, so that described single connection server sends PS territory, the called side business carrying described called terminal mark, described caller side PS field communication resource and caller side CS field communication resource to described called terminal sets up request to single connection server; Receiving the multi-media business that described single connection server sends and set up response, it is that described single connection server receives after PS territory, the called side business that described called terminal returns sets up response and sends that described multi-media business sets up response; It is retrieved as the called side PS field communication resource that described called terminal is reserved; Generate CS territory, the caller side business carrying described calling terminal identification and described called side PS field communication resource and set up response, and CS territory, described caller side business is set up response and is back to described initial plant, so that CS territory, described caller side business is set up response by described initial plant is sent to described calling terminal; Generate and carry described calling terminal identification and the multi-link call of described called side PS field communication resource, and described multi-link call is sent to described calling terminal.

Again further, as shown in Figure 7, the structural representation of the multi-link server that the embodiment of the present invention seven provides. As shown in Figure 7, described multi-link server, based on the structure described in above-described embodiment six, also comprises: the 2nd receiver module 60 and register update module 70. Wherein, the registration that described 2nd receiver module 60 sends for receiving terminal or lastest imformation, described registration or lastest imformation carry terminal mark and networked information, and described networked information comprises: the mark of the network element device of the current connection state that described terminal recognition goes out and described terminal access PS territory and/or CS territory network. Described register update module 70 is for identifying according to described terminal, whether inquiry register list there is described terminal to identify, if having, then networked information corresponding for the mark of terminal described in described register list is updated to described registration or described networked information that lastest imformation is carried, otherwise, described terminal is identified with networked information corresponding stored in described register list.

Further, as shown in Figure 8, the structural representation of the multi-link server that the embodiment of the present invention eight provides. The present embodiment eight is based on above-described embodiment six, and on the basis of structure described in described embodiment six, described multi-link server also comprises: the first binding statistics module 31, the 2nd binding statistics module 41 and the 3rd binding statistics module 51. Wherein, first binding statistics module 31, set up module 30 with described first path to be connected, carrying path, CS territory and carrying path, PS territory for being set up in described first path between the described calling terminal of module foundation and described called terminal are bound, and are that the carrying path, CS territory bound carries the identical calling mark of path tag with PS territory; The information such as length when statistics has the carrying path, CS territory of same call mark and the data traffic in carrying path, PS territory and resource occupation; According to statistics, the business generating described calling terminal and described called terminal uses information and service charging information. Described 2nd binding statistics module 41, set up module 40 with described 2nd path to be connected, carrying path, PS territory, described caller side, carrying path, CS territory, described caller side and the carrying path, CS territory, described called side set up for described 2nd path is set up module are bound, and carrying path, PS territory, described caller side, carrying path, CS territory, described caller side and the CS territory, described called side for binding carries the identical calling mark of path tag; The information such as length when statistics has the carrying path, PS territory, caller side of same call mark, the data traffic in carrying path, CS territory, described caller side and carrying path, CS territory, described called side and resource occupation; According to statistics, the business generating described calling terminal and described called terminal uses information and service charging information. Described 3rd binding statistics module 51, set up module 50 with described 3rd path to be connected, carrying path, PS territory, described caller side, carrying path, CS territory, described caller side and the carrying path, PS territory, described called side set up for described 3rd path is set up module are bound, and carrying path, PS territory, described caller side, carrying path, CS territory, described caller side and the PS territory, described called side for binding carries the identical calling mark of path tag; The information such as length when statistics has the carrying path, PS territory, caller side of same call mark, the data traffic in carrying path, CS territory, described caller side and carrying path, PS territory, described called side and resource occupation; According to statistics, the business generating described calling terminal and described called terminal uses information and service charging information. Certainly, the present embodiment eight also can based on above-described embodiment seven, and namely on the basis of embodiment seven, described multi-link server also comprises above-mentioned first binding statistics module 31, the 2nd binding statistics module 41 and the 3rd binding statistics module 51.

Again further, the multi-link server described in the various embodiments described above also comprises: integrate module and/or decomposing module. Wherein, described integration module, for receiving the video information carrying service identification that described calling terminal is sent by carrying path, PS territory, described caller side, receive the audio-frequency information carrying service identification that described calling terminal is sent by carrying path, CS territory, described caller side, the video information and audio-frequency information that carry identical services mark are integrated into multi-media information, and described multi-media information is sent to described called terminal by described PS territory, called side or carrying path, CS territory. The multi-media information that described decomposing module is sent by described PS territory, called side or carrying path, CS territory for receiving described called terminal, it is the video information and the audio-frequency information that carry identical services mark by described multi-media information decomposition, and described video information is sent to described calling terminal by carrying path, PS territory, described caller side, audio-frequency information is sent to described calling terminal by carrying path, CS territory, described caller side.

In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, certain embodiment there is no the part described in detail, it is possible to see the associated description of other embodiments.

Last it is noted that above each embodiment is only in order to illustrate the technical scheme of the present invention, it is not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technology feature is carried out equivalent replacement; And these amendments or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.

Claims

1. a carrying path establishment method, it is characterised in that, comprising:

2. carrying path establishment method according to claim 1, it is characterised in that, described multi-link server sets up the carrying path, CS territory between described calling terminal and described called terminal and carrying path, PS territory, comprising:

Described multi-link server identifies according to described calling terminal identification and described called terminal, inquires about the networked information of described calling terminal registration and the networked information of described called terminal registration;

The mark of the network element device of the calling terminal access CS territory network that described multi-link server comprises according to the networked information that described calling terminal is registered, determine the route of the CS territory business of described calling terminal, the point device that rises of the route of described CS territory business is the network element device that described calling terminal accesses the mark correspondence of the network element device of CS territory network, and terminal equipment is described multi-link server;

Described multi-link server sends the indication information carrying calling terminal CS territory business route to described calling terminal, to indicate described calling terminal according to described calling terminal CS territory business route, send the business foundation request of branch CS territory, caller side to the point device that rises of described route;

Branch CS territory, the described caller side business that described multi-link server receives described starting point device forwards sets up request;

Described multi-link server is retrieved as the reserved caller side CS field communication resource of described calling terminal, and generates the called side branch CS territory business carrying called terminal mark and described caller side CS field communication resource and set up request;

The network element device mark of the called terminal access CS territory network that the networked information that described multi-link server is registered according to described called terminal comprises, the business request of setting up in described called side branch CS territory is sent to the network element device that the network element device mark of described called terminal access CS territory network is corresponding, so that described called side branch CS territory business is set up request forward to described called terminal by described network element device;

The called side branch CS territory business that described multi-link server receives the forwarding of described network element device sets up response, and it is that described called terminal is back to described network element device according to the foundation request of described called side branch CS territory business that described called side branch CS territory business sets up response;

Described multi-link server is retrieved as the reserved called side CS field communication resource of described called terminal, and generate branch CS territory, the caller side business carrying described calling terminal identification and described called side CS field communication resource and set up response, return branch CS territory, described caller side business to described point device and set up response, so that branch CS territory, described caller side business is set up response by described network element device is forwarded to described calling terminal;

Described multi-link server is retrieved as the reserved caller side PS field communication resource of described calling terminal, and generate the called side branch PS territory business carrying described called terminal mark and described caller side PS field communication resource and set up request, and the described called side branch PS territory business request of setting up is sent to described called terminal;

Described multi-link server receives the called side branch PS territory business foundation response carrying described calling terminal identification that described called terminal returns;

Described multi-link server is retrieved as the reserved called side PS field communication resource of described called terminal, and generate and carry described calling terminal identification and the multi-link call of described called side PS field communication resource, return described multi-link call to described calling terminal.

3. carrying path establishment method according to claim 1, it is characterized in that, described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, CS territory, called side, comprising:

Described multi-link server, according to described calling terminal identification, inquires about the networked information of described calling terminal registration;

Described multi-link server is retrieved as the reserved caller side PS field communication resource of described calling terminal and caller side CS field communication resource;

Described multi-link server sends to single connection server and carries described called terminal mark, the networked information of described called terminal, the multimedia service construction request of caller side PS field communication resource and caller side CS field communication resource, so that the network element device mark of the access CS territory network that comprises according to described networked information of described single connection server, send to the network element device that described network element device mark is corresponding and carry described called terminal mark, CS territory, the called side business of described caller side PS field communication resource and caller side CS field communication resource sets up request, by described network element device, CS territory, described called side business is set up request forward to described called terminal,

Described multi-link server receives the multi-media business foundation response that described single connection server sends, it is that described single connection server receives after CS territory, the called side business that described network element device forwards sets up response and sends that described multi-media business sets up response, and CS territory, described called side business is set up the described called terminal of response and received after CS territory, described called side business sets up request and return;

Described multi-link server is retrieved as the reserved called side CS field communication resource of described called terminal;

Described multi-link server generates CS territory, the caller side business carrying described calling terminal identification and described called side CS field communication resource and sets up response, and CS territory, described caller side business is set up response and is back to a described point device, so that CS territory, described caller side business is set up response by described point device is sent to described calling terminal;

Described multi-link server generates and carries described calling terminal identification and the multi-link call of described called side CS field communication resource, and described multi-link call is sent to described calling terminal.

4. carrying path establishment method according to claim 1, it is characterized in that, described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side, comprising:

Described multi-link server sends the multimedia service construction request carrying described called terminal mark, the networked information of described called terminal, described caller side PS field communication resource and caller side CS field communication resource to single connection server, so that described single connection server sends PS territory, the called side business carrying described called terminal mark, described caller side PS field communication resource and caller side CS field communication resource to described called terminal sets up request;

Described multi-link server receives the multi-media business that described single connection server sends and sets up response, and it is that described single connection server receives after PS territory, the called side business that described called terminal returns sets up response and sends that described multi-media business sets up response;

Described multi-link server is retrieved as the reserved called side PS field communication resource of described called terminal;

Described multi-link server generates CS territory, the caller side business carrying described calling terminal identification and described called side PS field communication resource and sets up response, and CS territory, described caller side business is set up response and is back to a described point device, so that CS territory, described caller side business is set up response by described point device is sent to described calling terminal;

Described multi-link server generates and carries described calling terminal identification and the multi-link call of described called side PS field communication resource, and described multi-link call is sent to described calling terminal.

5. according to described carrying path establishment method arbitrary in Claims 1 to 4, it is characterised in that, also comprise:

Described multi-link server receives registration or the lastest imformation that terminal sends, described registration or lastest imformation carry terminal mark and networked information, and described networked information comprises: the mark of the network element device of the current connection state that described terminal recognition goes out and described terminal access PS territory and/or CS territory network;

Described multi-link server identifies according to described terminal, whether inquiry register list there is described terminal to identify, if having, then networked information corresponding for the mark of terminal described in described register list is updated to described registration or described networked information that lastest imformation is carried, otherwise, described terminal is identified with networked information corresponding stored in described register list.

6. according to described carrying path establishment method arbitrary in Claims 1 to 4, it is characterised in that, described multi-link server is set up the carrying path, CS territory between described calling terminal and described called terminal and after carrying path, PS territory, is also comprised:

Carrying path, CS territory between described calling terminal and described called terminal and carrying path, PS territory are bound by described multi-link server, and are that the carrying path, CS territory bound carries the identical calling mark of path tag with PS territory; Described multi-link server statistics is long when having the carrying path, CS territory of same call mark and the data traffic in carrying path, PS territory and resource occupation; Described multi-link server is according to statistics, and the business generating described calling terminal and described called terminal uses information and service charging information;

Described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, CS territory, called side after, also comprise:

Described multi-link server binds carrying path, PS territory, described caller side, carrying path, CS territory, described caller side and carrying path, CS territory, described called side, and the calling that the carrying path, PS territory, described caller side of binding, carrying path, CS territory, described caller side and CS territory, described called side carrying path tag are identical is identified; Described multi-link server statistics is long when having data traffic and the resource occupation in carrying path, PS territory, caller side, carrying path, CS territory, described caller side and carrying path, CS territory, described called side that same call identifies; Described multi-link server is according to statistics, and the business generating described calling terminal and described called terminal uses information and service charging information;

Described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, PS territory, called side after, also comprise:

Described multi-link server binds carrying path, PS territory, described caller side, carrying path, CS territory, described caller side and carrying path, PS territory, described called side, and the calling that the carrying path, PS territory, described caller side of binding, carrying path, CS territory, described caller side and PS territory, described called side carrying path tag are identical is identified; Described multi-link server statistics is long when having data traffic and the resource occupation in carrying path, PS territory, caller side, carrying path, CS territory, described caller side and carrying path, PS territory, described called side that same call identifies; Described multi-link server is according to statistics, and the business generating described calling terminal and described called terminal uses information and service charging information.

7. carrying path establishment method according to claim 1, it is characterized in that, described multi-link server set up and described calling terminal between carrying path, CS territory, caller side and carrying path, PS territory, caller side, and and described called terminal between carrying path, CS territory, called side after, also comprise:

Described multi-link server receives the video information carrying service identification that described calling terminal is sent by carrying path, PS territory, described caller side, receive the audio-frequency information carrying service identification that described calling terminal is sent by carrying path, CS territory, described caller side, the video information and audio-frequency information that carry identical services mark are integrated into multi-media information, and described multi-media information is sent to described called terminal by carrying path, CS territory, described called side; And/or the multi-media information that the described called terminal of described multi-link server reception is sent by carrying path, CS territory, described called side, it is the video information and the audio-frequency information that carry identical services mark by described multi-media information decomposition, and described video information is sent to described calling terminal by carrying path, PS territory, described caller side, audio-frequency information is sent to described calling terminal by carrying path, CS territory, described caller side;

8. a multi-link server, it is characterised in that, comprising:

9. multi-link server according to claim 8, it is characterized in that, module is set up in described first path, specifically for identifying according to described calling terminal identification and described called terminal, inquires about the networked information of described calling terminal registration and the networked information of described called terminal registration; The mark of the network element device of the calling terminal access CS territory network that the networked information registered according to described calling terminal comprises, determine the route of the CS territory business of described calling terminal, the point device that rises of the route of described CS territory business is the network element device that described calling terminal accesses the mark correspondence of the network element device of CS territory network, and terminal equipment is described multi-link server; Send the indication information carrying calling terminal CS territory business route to described calling terminal, to indicate described calling terminal according to described calling terminal CS territory business route, send the business foundation request of branch CS territory, caller side to the point device that rises of described route; Branch CS territory, the described caller side business receiving described starting point device forwards sets up request; It is retrieved as the caller side CS field communication resource that described calling terminal is reserved, and generates the called side branch CS territory business carrying called terminal mark and described caller side CS field communication resource and set up request; The network element device mark of the called terminal access CS territory network that the networked information according to the registration of described called terminal comprises, the business request of setting up in described called side branch CS territory is sent to the network element device that the network element device mark of described called terminal access CS territory network is corresponding, so that described called side branch CS territory business is set up request forward to described called terminal by described network element device; The called side branch CS territory business receiving the forwarding of described network element device sets up response, and it is that described called terminal is back to described network element device according to the foundation request of described called side branch CS territory business that described called side branch CS territory business sets up response; It is retrieved as the called side CS field communication resource that described called terminal is reserved, and generate branch CS territory, the caller side business carrying described calling terminal identification and described called side CS field communication resource and set up response, return branch CS territory, described caller side business to described point device and set up response, so that branch CS territory, described caller side business is set up response by described network element device is forwarded to described calling terminal; It is retrieved as the caller side PS field communication resource that described calling terminal is reserved, and generate the called side branch PS territory business carrying described called terminal mark and described caller side PS field communication resource and set up request, and the described called side branch PS territory business request of setting up is sent to described called terminal; Receive the called side branch PS territory business foundation response carrying described calling terminal identification that described called terminal returns; It is retrieved as the called side PS field communication resource that described called terminal is reserved, and generates and carry described calling terminal identification and the multi-link call of described called side PS field communication resource, return described multi-link call to described calling terminal.

10. multi-link server according to claim 8, it is characterised in that, module is set up in described 2nd path, specifically for according to described calling terminal identification, inquiring about the networked information of described calling terminal registration, the mark of the network element device of the calling terminal access CS territory network that the networked information registered according to described calling terminal comprises, determine the route of the CS territory business of described calling terminal, the point device that rises of the route of described CS territory business is the network element device that described calling terminal accesses the mark correspondence of the network element device of CS territory network, and terminal equipment is described multi-link server, send the indication information carrying calling terminal CS territory business route to described calling terminal, to indicate described calling terminal according to described calling terminal CS territory business route, send the business foundation request of branch CS territory, caller side to the point device that rises of described route, branch CS territory, the described caller side business receiving described starting point device forwards sets up request, it is retrieved as the reserved caller side PS field communication resource of described calling terminal and caller side CS field communication resource, send to single connection server and carry described called terminal mark, the networked information of described called terminal, the multimedia service construction request of caller side PS field communication resource and caller side CS field communication resource, so that the network element device mark of the access CS territory network that comprises according to described networked information of described single connection server, send to the network element device that described network element device mark is corresponding and carry described called terminal mark, CS territory, the called side business of described caller side PS field communication resource and caller side CS field communication resource sets up request, by described network element device, CS territory, described called side business is set up request forward to described called terminal, receive the multi-media business foundation response that described single connection server sends, it is that described single connection server receives after CS territory, the called side business that described network element device forwards sets up response and sends that described multi-media business sets up response, and CS territory, described called side business is set up the described called terminal of response and received after CS territory, described called side business sets up request and return, it is retrieved as the called side CS field communication resource that described called terminal is reserved, generate CS territory, the caller side business carrying described calling terminal identification and described called side CS field communication resource and set up response, and CS territory, described caller side business is set up response and is back to a described point device, so that CS territory, described caller side business is set up response by described point device is sent to described calling terminal, generate and carry described calling terminal identification and the multi-link call of described called side CS field communication resource, and described multi-link call is sent to described calling terminal.

11. multi-link servers according to claim 8, it is characterised in that, module is set up in described 3rd path, specifically for according to described calling terminal identification, inquiring about the networked information of described calling terminal registration; The mark of the network element device of the calling terminal access CS territory network that the networked information registered according to described calling terminal comprises, determine the route of the CS territory business of described calling terminal, the point device that rises of the route of described CS territory business is the network element device that described calling terminal accesses the mark correspondence of the network element device of CS territory network, and terminal equipment is described multi-link server; Send the indication information carrying calling terminal CS territory business route to described calling terminal, to indicate described calling terminal according to described calling terminal CS territory business route, send the business foundation request of branch CS territory, caller side to the point device that rises of described route; Branch CS territory, the described caller side business receiving described starting point device forwards sets up request; It is retrieved as the reserved caller side PS field communication resource of described calling terminal and caller side CS field communication resource; The multimedia service construction request carrying described called terminal mark, the networked information of described called terminal, described caller side PS field communication resource and caller side CS field communication resource is sent, so that described single connection server sends PS territory, the called side business carrying described called terminal mark, described caller side PS field communication resource and caller side CS field communication resource to described called terminal sets up request to single connection server; Receiving the multi-media business that described single connection server sends and set up response, it is that described single connection server receives after PS territory, the called side business that described called terminal returns sets up response and sends that described multi-media business sets up response; It is retrieved as the called side PS field communication resource that described called terminal is reserved; Generate CS territory, the caller side business carrying described calling terminal identification and described called side PS field communication resource and set up response, and CS territory, described caller side business is set up response and is back to a described point device, so that CS territory, described caller side business is set up response by described point device is sent to described calling terminal; Generate and carry described calling terminal identification and the multi-link call of described called side PS field communication resource, and described multi-link call is sent to described calling terminal.

12. according to described multi-link server arbitrary in claim 8��11, it is characterised in that, also comprise:

2nd receiver module, for receiving registration or the lastest imformation that terminal sends, described registration or lastest imformation carry terminal mark and networked information, and described networked information comprises: the mark of the network element device of the current connection state that described terminal recognition goes out and described terminal access PS territory and/or CS territory network;

Register update module, for identifying according to described terminal, whether inquiry register list there is described terminal to identify, if having, then networked information corresponding for the mark of terminal described in described register list is updated to described registration or described networked information that lastest imformation is carried, otherwise, described terminal is identified with networked information corresponding stored in described register list.

13. according to described multi-link server arbitrary in claim 8��11, it is characterised in that, also comprise:

First binding statistics module, model calling is set up with described first path, carrying path, CS territory and carrying path, PS territory for being set up in described first path between the described calling terminal of module foundation and described called terminal are bound, and are that the carrying path, CS territory bound carries the identical calling mark of path tag with PS territory; Statistics is long when having the carrying path, CS territory of same call mark and the data traffic in carrying path, PS territory and resource occupation; According to statistics, the business generating described calling terminal and described called terminal uses information and service charging information;

2nd binding statistics module, model calling is set up with described 2nd path, carrying path, PS territory, described caller side, carrying path, CS territory, described caller side and the carrying path, CS territory, described called side set up for described 2nd path is set up module are bound, and carrying path, PS territory, described caller side, carrying path, CS territory, described caller side and the CS territory, described called side for binding carries the identical calling mark of path tag; Statistics is long when having data traffic and the resource occupation in carrying path, PS territory, caller side, carrying path, CS territory, described caller side and carrying path, CS territory, described called side that same call identifies; According to statistics, the business generating described calling terminal and described called terminal uses information and service charging information;

3rd binding statistics module, model calling is set up with described 3rd path, carrying path, PS territory, described caller side, carrying path, CS territory, described caller side and the carrying path, PS territory, described called side set up for described 3rd path is set up module are bound, and carrying path, PS territory, described caller side, carrying path, CS territory, described caller side and the PS territory, described called side for binding carries the identical calling mark of path tag; Statistics is long when having data traffic and the resource occupation in carrying path, PS territory, caller side, carrying path, CS territory, described caller side and carrying path, PS territory, described called side that same call identifies; According to statistics, the business generating described calling terminal and described called terminal uses information and service charging information.

14. according to described multi-link server arbitrary in claim 8��11, it is characterised in that, also comprise:

Integrate module, for receiving the video information carrying service identification that described calling terminal is sent by carrying path, PS territory, described caller side, receive the audio-frequency information carrying service identification that described calling terminal is sent by carrying path, CS territory, described caller side, the video information and audio-frequency information that carry identical services mark are integrated into multi-media information, and described multi-media information is sent to described called terminal by described PS territory, called side or carrying path, CS territory;

And/or

Decomposing module, for receiving the multi-media information that described called terminal is sent by described PS territory, called side or carrying path, CS territory, it is the video information and the audio-frequency information that carry identical services mark by described multi-media information decomposition, and described video information is sent to described calling terminal by carrying path, PS territory, described caller side, audio-frequency information is sent to described calling terminal by carrying path, CS territory, described caller side.

15. 1 kinds of communication systems, it is characterised in that, comprising: arbitrary described multi-link server and terminal in the claims 8��14.