CN101124812B - A method for combining PSTN/ISDN emulation in IMS system and a system for implementing the said method - Google Patents
A method for combining PSTN/ISDN emulation in IMS system and a system for implementing the said method Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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- H—ELECTRICITY
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- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13098—Mobile subscriber
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- H—ELECTRICITY
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- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13196—Connection circuit/link/trunk/junction, bridge, router, gateway
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- H—ELECTRICITY
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13209—ISDN
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- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
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- H04Q2213/13348—Channel/line reservation
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Abstract
The present invention relates to a method for combining PSTN/ISDN emulating of the traditional terminals in an IMS system structure and to a system for implementing the said method. The present invention adds emulating gateway control function (EGCF) in an IMS system structure that can implement 3G terminal user multi-media service. The present invention also adds gateway GW accessing traditional PSTN/ISDN terminals and traditional terminal equipment, accordingly, it can provide traditional PSTN/ISDN terminal user access in the IP multi-media sub-system and can implement the function of PSTN/ISDN emulation. The present invention provides supports to fixed access and mobile access in an IMS system structure, it implements the combination between fixed network and mobile network, and especially, it is suitable for supporting both mixed and mobile full-service field at the same time.
Description
Technical field
The present invention relates to method that a kind of switching system of field of telecommunications merges mutually and the system that realizes this method, relate in particular to that a kind of (IP Multimedia ' is Subsystem) under (hereinafter to be referred as IMS) architectural framework, merges public switch telephone network/integrated services digital network (Public Switched Telephone Network/Integrated Services Digital Network) (hereinafter to be referred as PSTN/ISDN) method of emulation of conventional terminal and realizes the system of this method at IP Multimedia System.
Background technology
The switching system of current field of telecommunications, basically all concentrate on fixed network switching system and mobile network's switching system, they all are to occur as a kind of independently system in operating environment, or only support fixedly switching network, or only support mobile telephone exchange network.And at present no matter in China or other countries, a lot of operations commercial city is a full-service operator, they had both runed mobile service, run fixed service again, concerning them, not only to spend fund repeated construction fixed network and mobile network, also will spend fixed network and mobile network's network management maintenance cost.Therefore, propose a kind of core network system of not only having supported fixing access way but also having supported mobile access way, not only can reduce the investment construction cost of operator, can reduce network of network management maintenance cost again.
IMS is that GPRS (the GeneralPacker Radio Service) network (hereinafter to be referred as GPRS) that is superimposed upon that third generation partner program (the 3rd Generation PartnershipProject) (hereinafter to be referred as 3GPP) proposes is gone up the subsystem of supporting IP multimedia service, as shown in Figure 1, its core characteristics are to adopt the independence of session initiation protocol (SessionInitiation Protocol) (hereinafter to be referred as Session Initiation Protocol) as call control protocol and realization and access network.Though IMS can realize the independence of access network, but, IMS only supports the mobile access way of the second generation (the 2nd Generation) (hereinafter to be referred as 2G) and the third generation (the 3rd Generation) (hereinafter to be referred as 3G) at present, can't support fixedly access way, under the development trend of the network integration, a few thing tissue, operator and the equipment vendor of China and other countries provide fixedly access way just in the network integration scheme of active research based on IMS.
Although a few thing tissue, operator and the equipment vendor of China and other countries all are in the starting stage just in the integration technology of active research based on IMS, also do not form a unified standard.
Summary of the invention
The present invention can not support still that for solving IMS fixedly the technical task exploitation of access way is finished, it is a kind of under the IMS architectural framework that one object of the present invention is to provide, merge the PSTN/ISDN method of emulation of conventional terminal, thereby realize that fixed network merges mutually with the mobile network.Another object of the present invention is to provide a kind of can realize said method, merge the system of traditional PSTN/ISDN emulation.
For realizing above-mentioned purpose of the present invention, the present invention proposes a kind of PSTN/ISDN method of emulation that merges conventional terminal under the IMS architectural framework, it is characterized in that comprising the steps:
S1. comprising call session controller (Call Session ControlFunction) (hereinafter to be referred as CSCF) at least, Media Gateway Controller (Media Gateway ControlFunction) (hereinafter to be referred as MGCF), outlet gateway controller (Breakout GatewayControl Function) (hereinafter to be referred as BGCF), home subscriber server (HomeSubscriber Server) (hereinafter to be referred as HSS) and signatory locator (SubscriptionLocator Function) (hereinafter to be referred as SLF), can realize under the IMS architecture of 3G terminal customer multi-media business, increase simulation gateway controller (Emulation GatewayControl Function) (hereinafter to be referred as EGCF);
S2. increase gateway (Gateway) (hereinafter to be referred as GW) and the traditional terminal equipment that inserts traditional PSTN/ISDN terminal.
Wherein, above-mentioned EGCF has the corresponding interface with CSCF, BGCF, HSS and GW respectively.
The PSTN/ISDN emulation Client-initiated session signaling that interface between above-mentioned EGCF and the CSCF can precedingly change traditional arrives CSCF, and can the preceding CSCF of commentaries on classics side Client-initiated session signaling arrive EGCF.
Interface between above-mentioned EGCF and the BGCF can be user under the network with Media Gateway Controller (Media Gateway ControlFunction) (hereinafter to be referred as MGCF) intercommunication initiated to forward to before the signaling purpose user by PSTN/ISDN emulation user.
Interface between above-mentioned EGCF and the HSS is supported the information transmission between HSS and the EGCF.
Interface between above-mentioned EGCF and the GW is by MGCP (comprise H.248/MGCP/SIP/H.232 and waiting) control gateway, and can realize PSTN/ISDN emulation user's access.
Wherein, the above-mentioned and network MGCF intercommunication comprises networks such as PSTN/ISDN.The information of transmitting between above-mentioned HSS and the EGCF comprises information such as the assignment information of EGCF and user profile.
In addition, above-mentioned GW can be connected to packet network to traditional PSTN/ISDN terminal, finishes the voice of PSTN/ISDN end side/fax and waits conversion with the voice/fax of the end side of packet network side etc., and accept the control of EGCF by gateway control protocol.
For realizing purpose of the present invention, the present invention also proposes a kind of system that merges the PSTN/ISDN emulation of conventional terminal under the IMS architectural framework.In the core network element entity of IMS architectural framework, new logical ne entity a---EGCF is proposed, in the fixing side that inserts, be connected to traditional PSTN/ISDN terminal by gateway, EGCF is by the MGCP control gateway, thereby realization is to the PSTN/ISDN copying of conventional terminal under the IMS architectural framework.
The system of combining PSTN/ISDN emulation in the IMS system provided by the invention, network element entity under comprising original IMS architectural framework: the network element entities such as CSCF, MGCF, BGCF, HSS and SLF, also comprise the GW of access traditional PSTN/ISDN terminal of EGCF, edge access layer and traditional terminal equipment.
Wherein, above-mentioned EGCF mainly finishes following function: by the MGCP control gateway; Receive the call request that traditional PSTN/ISDN terminal is initiated, and forwarding the network that the purpose user is belonged to before the call request to; Receive purpose user that other network element or network initiate and be the call request of traditional PSTN/ISDN terminal; Obtain user profile etc. alternately with HSS.
Above-mentioned EGCF has corresponding interface with CSCF, BGCF, HSS and GW respectively.
Above-mentioned traditional terminal equipment is connected to packet network by the fixedly access side of GW.
Represent the IMS of next generation network developing direction, provide colourful multimedia service for the intelligent terminal user the most at last, but under present development environment, circuit domain will coexist a very long time with multimedia domain, MMD, therefore, support that under the IMS architectural framework traditional PSTN/ISDN terminal emulation is very important, but when circuit domain does not exist, in order not influence the IMS architectural framework of supporting multimedia service, under original IMS core architecture, a newly-increased logical ne EGCF supports PSTN/ISDN emulation, realized that not only the IMS system provides multimedia service for the mobile subscriber, the PSTN/ISDN copying of conventional terminal also is provided simultaneously, realized the fusion of the fixing and mobile network under the IMS architectural framework, therefore, emerging system of the present invention, not only convenient for users to use, and improved the market competitiveness of telecom operators.
State with other purpose, feature and advantage and can become apparent on the present invention for allowing, preferred embodiment cited below particularly, and cooperate Figure of description, be described in detail below.
Description of drawings
Fig. 1 is the primary structure Organization Chart of the IMS core key-course of 3GPP.
Fig. 2 is the IMS architectural framework figure that supports PSTN/ISDN emulation.
Fig. 3 is the Organization Chart of a preferred embodiment that the present invention is based under the 3GPP architectural framework the fixedly access of the PSTN/ISDN emulation of supporting conventional terminal in the WCDMA network.
Embodiment
The present invention is a kind of under the IMS architectural framework, supports the access way of the PSTN/ISDN emulation of conventional terminal, realizes moving method and the architectural framework that merges mutually with fixed network.Body series mainly is by the network element entities such as CSCF, MGCF, BGCF, HSS and SLF under the present IMS architectural framework, Radio Access Network and portable terminal thereof, support EGCF and corresponding gateway and traditional PSTN/ISDN fixed terminal composition thereof of PSTN/ISDN emulation, as shown in Figure 2, can realize communicating by letter through gateway device between mobile subscriber and the traditional PSTN/ISDN fixed terminal user.
Shown in Figure 3 is a preferred embodiment that the present invention is based on the fixedly access of the PSTN/ISDN emulation of supporting conventional terminal under the 3GPP architectural framework in the WCDMA network.Mainly by HSS (101), EGCF (200), enquiry call conversation controller I-CSCF (201), service call conversation controller S-CSCF (202), agent call conversation controller P-CSCF (203), BGCF (204), MGCF (205), the gateway (301) of traditional PSTN/ISDN fixed terminal, the Gateway GPRS Support Node of packet switching network equipment GPRS network (Gateway GPRS Supporting Node) (hereinafter to be referred as GGSN) (401) and Serving GPRS Support Node (Serving GPRS Supporting Node) (hereinafter to be referred as SGSN) (402), RNS (Radio Network Subsystem) (hereinafter to be referred as RNS) (501), portable terminal (601 and 602), traditional PSTN/ISDN fixed terminal (701,702 and 703) form.Except that the gateway (301) and traditional PSTN/ISDN fixed terminal (701,702 and 703) of EGCF (200), traditional PSTN/ISDN fixed terminal, all the other network element entities can be realized IP multimedia service in the present WCDMA network, and combine with business such as SIP AS, OSA SCS and intelligent networks, for the mobile subscriber provides colourful multimedia service.On this basis, by the gateway (301) of EGCF (200) by the PSTN/ISDN of MGCP control conventional terminal, and by its access traditional PSTN/ISDN fixed terminal (701,702 and 703), finally be implemented on the IMS subsystem, multimedia call control to portable terminal not only is provided, and realized and the fixedly fusion of access way, for traditional PSTN/ISDN fixed terminal provides IMS service.
In order to understand this access way that on the IP Multimedia System basis, realizes the fixed terminal of traditional PSTN/ISDN more intuitively, introduce the typical process that a mobile subscriber (601) shown in Figure 3 calls out the terminal use (701) of traditional PSTN/ISDN emulation, and the typical process of the user (801) under the terminal use (701) of the traditional PSTN/ISDN emulation calling PSTN/ISDN network, idiographic flow is as follows.
At first suppose following primary condition: the terminal use (701) of mobile subscriber (601) and traditional PSTN/ISDN emulation is registered in the control in the IMS territory that this invention supports.
The main call flow of terminal use (701) that mobile subscriber (601) calls out traditional PSTN/ISDN emulation can roughly be described below:
1, mobile subscriber (601) sets up to the PSTN/ISDN of traditional simulation fixed terminal user (701) request through first network element node P-CSCF (203) of the contact mobile subscriber of the GGSN (401) of RNS (501) and GPRS network and SGSN (402) network element and IMS subsystem and calls out;
2, after P-CSCF (203) received mobile subscriber (601) call request, according to the S-CSCF name that is belonged to that this mobile subscriber's register flow path is write down, the forwarded calls request was to this S-CSCF (202);
3, after S-CSCF (202) receives call request, handle the business demand of this mobile subscriber (601), and carry out the destination address analysis, find that the purpose user is the user under this home domain, just the forwarded calls request is to the I-CSCF (201) of this home domain;
4, I-CSCF (201) knows that by to HSS (101) inquiry this user belongs to EGCF (200), and just the forwarded calls request is to the EGCF (200) of this home domain;
5, after EGCF (200) receives call request, find by analysis, purpose user is the traditional PSTN/ISDN fixed terminal user under this EGCF (200), just by gateway (301) the make a call request of MGCP to traditional PSTN/ISDN fixed terminal;
6, the gateway (301) of traditional PSTN/ISDN fixed terminal is to fixed terminal user (701) request of making a call;
7, the gateway (301) of traditional PSTN/ISDN fixed terminal notice EGCF (200) response call request;
8, the preceding commentaries on classics response of EGCF (200) is to I-CSCF (201);
9, after I-CSCF (201) received response, preceding commentaries on classics response was to S-CSCF (202);
10, after S-CSCF (202) received response, preceding commentaries on classics response was to P-CSCF (203);
11, after P-CSCF (203) received response, through the GGSN (401) and SGSN (402) network element of GPRS network, RNS (501) was employing family (601) to shifting before the response;
12, after portable terminal (601) is received response, determine the media resource that this session is required, and echo and to confirm to P-CSCF (203);
13, the preceding commentaries on classics response of P-CSCF (203) confirms S-CSCF (202);
14, the preceding commentaries on classics response of S-CSCF (202) confirms I-CSCF (201);
15, the preceding commentaries on classics response of I-CSCF (201) confirms EGCF (200);
16, EGCF (200) returns to I-CSCF (201) and confirms to confirm, and notifies the gateway (301) of traditional PSTN/ISDN fixed terminal to reserve corresponding resource for this session;
17, the preceding commentaries on classics of I-CSCF (201) confirms to confirm S-CSCF (202);
18, the preceding commentaries on classics of S-CSCF (202) confirms to confirm P-CSCF (203);
19, after P-CSCF (203) received and confirms to confirm, through the GGSN (401) and SGSN (402) network element of GPRS network, RNS (501) forwarded portable terminal (601) to before confirming to confirm;
20, after portable terminal (601) is received and confirmed to confirm, return the resource reservation success message to P-CSCF (203);
21, the preceding commentaries on classics resource reservation of P-CSCF (203) success message is to S-CSCF (202);
22, the preceding commentaries on classics resource reservation of S-CSCF (202) success message is to I-CSCF (201);
23, the preceding commentaries on classics resource reservation of I-CSCF (201) success message is to EGCF (200);
24, after gateway (301) the assign sessions resource of traditional PSTN/ISDN fixed terminal is finished, notice EGCF (200);
25, EGCF (200) is to the preceding switching of I-CSCF (201) debit resource reservation success message;
26, I-CSCF (201) is to the preceding switching of S-CSCF (202) debit resource reservation success message;
27, S-CSCF (202) is to the preceding switching of P-CSCF (203) debit resource reservation success message;
28, P-CSCF (203) is through the GGSN (401) and SGSN (402) network element of GPRS network, and RNS (501) forwards portable terminal (601) to before recipient's resource reservation success message;
29, after fixed terminal user (701) receives ringing, the gateway (301) of traditional PSTN/ISDN fixed terminal notice EGCF (200), fixed terminal (701) is just at ringring prompting;
30, EGCF (200) is to the preceding commentaries on classics Temporary Response of I-CSCF (201) ringing information;
31, I-CSCF (201) is to the preceding commentaries on classics Temporary Response of S-CSCF (202) ringing information;
32, S-CSCF (202) is to the preceding commentaries on classics Temporary Response of P-CSCF (203) ringing information;
33, P-CSCF (203) is through the GGSN (401) and SGSN (402) network element of GPRS network, and RNS (501) forwards portable terminal (601) to before the Temporary Response ringing information;
34, after portable terminal (601) was received the Temporary Response ringing information, the prompting mobile subscriber was reminding the purpose user;
35, after fixed terminal user (701) replys, the gateway (301) of traditional PSTN/ISDN fixed terminal notice EGCF (200), fixed terminal user (701) replys;
36, EGCF (200) is to the final response of I-CSCF (201) forwarded calls request;
37, I-CSCF (201) is to the final response of S-CSCF (202) forwarded calls request;
38, S-CSCF (202) is to the final response of P-CSCF (203) forwarded calls request;
39, P-CSCF (203) is through the GGSN (401) and SGSN (402) network element of GPRS network, and RNS (501) forwards mobile subscriber (601) to before the final response of call request;
40, after mobile subscriber (601) receives the final response of call request, to P-CSCF (203) callback acknowledge message;
41, P-CSCF (203) forwarded calls acknowledge message is to S-CSCF (202);
42, S-CSCF (202) forwarded calls acknowledge message is to I-CSCF (201);
43, I-CSCF (201) forwarded calls acknowledge message is to EGCF (200);
44, mobile subscriber (601) sets up Media Stream with fixed terminal user (701) through the gateway (301) of PSTN/ISDN fixed terminal, realizes conversation;
45, behind the end of conversation, mobile subscriber (601) on-hook, and send on-hook message through the GGSN (401) of RNS (501) and GPRS network and SGSN (402) network element to P-CSCF (203);
46, P-CSCF (203) is preceding turns linked to the machine request to S-CSCF (202);
47, S-CSCF (202) is preceding turns linked to the machine request to I-CSCF (201);
48, I-CSCF (201) is preceding turns linked to the machine request to EGCF (200);
49, gateway (301) the on-hook request of EGCF (200) notice PSTN/ISDN fixed terminal, and to I-CSCF (201) time on-hook response;
50, the gateway of PSTN/ISDN fixed terminal (301) is released to the resource that this session distributes;
51, the preceding machine of turning linked to of I-CSCF (201) responds S-CSCF (202);
52, S-CSCF (202) responds to the preceding machine that turns linked to of P-CSCF (203);
53, P-CSCF (203) is through the GGSN (401) and SGSN (402) network element of GPRS network, and RNS (501) responds to the preceding machine that turns linked to of mobile subscriber (601).
Equally, for PSTN/ISDN fixed terminal user (701) the calling mobile subscriber (601) of traditional simulation, call flow is similar to an inverse process of said process.
The main call flow of user (801) that the PSTN/ISDN fixed terminal user (701) of traditional simulation calls out under the PSTN/ISDN network can roughly be described below:
1, user (801) request of the PSTN/ISDN fixed terminal user (701) of traditional simulation under the PSTN/ISDN network set up and called out;
2, the gateway of PSTN/ISDN fixed terminal (301) is set up call request by MGCP notice EGCF (200) terminal use request after receiving the customer call request;
3, after the notified request of EGCF (200), the purpose user is carried out number analysis, find that the purpose user is the user of PSTN network, just send a call request to BGCF (204);
4, BGCF (204) measures PSTN network (901) user down that the purpose user is the present networks interconnection, just selects and the MGCF (205) of PSTN network (901) intercommunication, and call request is sent to MGCF (205);
5, MGCF (205) creates by MGCP notice media gateway (MediaGateway) (hereinafter to be referred as MGW) and connects, and the media resource descriptor of definite MGW;
6, MGCF (205) is included in the call the preceding BGCF (204) that forwards to the media resource descriptor of media gateway distribution;
7, BGCF (204) forwarded calls responds EGCF (200);
8, the gateway (301) of EGCF (200) notice PSTN/ISDN fixed terminal is received call;
9, after the gateway of PSTN/ISDN fixed terminal (301) is received call, prepare to distribute corresponding resource, and notice EGCF (200);
10, EGCF (200) sends the response confirmation of successfully reserving the session resource requirement to BGCF (204);
11, the preceding commentaries on classics response of BGCF (204) confirms MGCF (205);
12, MGCF (205) connects by the MGCP check, and indication MGW reserves the session resource requirement, and returns the confirmation acknowledge message to the initiator;
13, confirm that acknowledge message is through the preceding EGCF (200) that forwards to of BGCF (204);
14, after EGCF (200) receives and confirms acknowledge message, and confirm that gateway (301) resource reservation of PSTN/ISDN fixed terminal finishes, send the resource reservation success message to BGCF (204);
15, the preceding commentaries on classics resource reservation of BGCF (204) success message is to MGCF (205);
16, after MGCF (205) receives the successful reserved resource of initiator,, and return the message of successful reserved resource to the initiator through the user (801) of PSTN network (901) in the PSTN network request message that makes a call;
17, after MGCF (205) receives the reminder message that the user (801) in the PSTN network sends, send Temporary Response to BGCF (204) and return ringing information;
18, the preceding commentaries on classics Temporary Response of BGCF (204) returns ringing information to EGCF (200);
19, EGCF (200) is notifying the purpose user by the gateway (301) of medium control protocol notice PSTN/ISDN fixed terminal;
20, the PSTN/ISDN fixed terminal user (701) of the gateway of PSTN/ISDN fixed terminal (301) notice traditional simulation;
21, after MGCF (205) receives the response message that the user (801) in the PSTN network sends, send the final response of call request to BGCF (204);
22, the final EGCF (200) that responds of BGCF (204) forwarded calls request;
23, EGCF (200) replys by gateway (301) the purpose user of medium control protocol notice PSTN/ISDN fixed terminal, and to BGCF (204) callback acknowledge message;
24, the PSTN/ISDN fixed terminal user (701) of the gateway of PSTN/ISDN fixed terminal (301) notice traditional simulation;
25, BGCF (204) forwarded calls acknowledge message is to MGCF (205);
26, fixed terminal user (701) sets up Media Stream through the gateway (301) of PSTN/ISDN fixed terminal and the MGW of PSTN side, and converses by PSTN network (901) and user (801) realization in the PSTN/ISDN network;
27, behind the end of conversation, the user in the PSTN/ISDN network (801) on-hook, and send an on-hook message through the preceding MGCF of forwarding to of PSTN network (901) (205);
28, MGCF (205) is released to the resource that this session distributes by media gateway, and before turn linked to the machine request to BGCF (204);
29, BGCF (204) is preceding turns linked to the machine request to EGCF (200);
30, gateway (301) the on-hook request of EGCF (200) notice PSTN/ISDN fixed terminal, and to BGCF (204) time on-hook response;
31, the gateway of PSTN/ISDN fixed terminal (301) is released to the resource that this session distributes;
32, BGCF (204) responds to the preceding machine that turns linked to of MGCF (205).
More than describe operation principle of the present invention in detail, and provided several typical network configuration flow processs, but the example of this visualization of just lifting for the ease of understanding should not be considered to be limitation of the scope of the invention.Equally, according to the description of technical scheme of the present invention and preferred embodiment thereof, can make various possible being equal to and change or replacement, and all these changes or replacement all should belong to the protection range of claims of the present invention.
Claims (11)
1. in the IP Multimedia System system, merge public switch telephone network/integrated services digital network method of emulation, it is characterized in that comprising the steps:
S1. comprising the network element entity at least: call session controller, Media Gateway Controller, outlet gateway controller, home subscriber server and signatory locator, can realize under the IP Multimedia System architecture of third generation terminal use multimedia service, increase the simulation gateway controller;
S2. increase and insert the traditional public switch telephone network/gateway of integrated services digital network terminal and traditional terminal equipment;
Wherein, above-mentioned simulation gateway controller has the corresponding interface with call session controller, outlet gateway controller, home subscriber server and the gateway that inserts traditional public switch telephone network/integrated services digital network terminal respectively.
2. method according to claim 1, it is characterized in that the public switch telephone network/integrated services digital network emulation Client-initiated session signaling of changeing traditional before the interface between above-mentioned simulation gateway controller and the call session controller arrives call session controller, and forwarded calls conversation controller side Client-initiated session signaling is to the simulation gateway controller.
3. method according to claim 1, it is characterized in that changeing before above-mentioned simulation gateway controller and the interface of outlet between the gateway controller by public switch telephone network/integrated services digital network emulation Client-initiated signaling to the network of Media Gateway Controller intercommunication under purpose user.
4. method according to claim 1 is characterized in that interface between above-mentioned simulation gateway controller and the home subscriber server supports the information transmission between home subscriber server and the simulation gateway controller.
5. method according to claim 1, it is characterized in that above-mentioned simulation gateway controller and insert interface between the gateway of traditional public switch telephone network/integrated services digital network terminal by the MGCP control gateway, and accessing public switched telephone network/integrated services digital network emulation user.
6. method according to claim 3 is characterized in that above-mentioned and the network Media Gateway Controller intercommunication comprises public switch telephone network/ISDN networks at least.
7. method according to claim 4 is characterized in that the information of transmitting between above-mentioned home subscriber server and the simulation gateway controller comprises the assignment information and the user profile of simulation gateway controller at least.
8. method according to claim 5, the gateway that it is characterized in that above-mentioned access tradition public switch telephone network/integrated services digital network terminal is connected to packet network to traditional public switch telephone network/integrated services digital network terminal, finishes the conversion of voice/fax with the voice/fax of the end side of packet network side of public switch telephone network/integrated services digital network end side.
9. method according to claim 5 is characterized in that the above-mentioned access tradition public switch telephone network/gateway of integrated services digital network terminal accepts the control of simulation gateway controller by gateway control protocol.
10. in the IP Multimedia System system, merge the system of public switch telephone network/integrated services digital network emulation, at least comprise the network element entity: call session controller, Media Gateway Controller, outlet gateway controller, home subscriber server and signatory locator is characterized in that also comprising the simulation gateway controller, insert the traditional public switch telephone network/gateway of integrated services digital network terminal and traditional terminal equipment; Above-mentioned simulation gateway controller has the corresponding interface with call session controller, outlet gateway controller, home subscriber server and the gateway that inserts traditional public switch telephone network/integrated services digital network terminal respectively.
11. system according to claim 10 is characterized in that above-mentioned traditional terminal equipment is connected to packet network by the gateway that inserts traditional public switch telephone network/integrated services digital network terminal.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2005/000246 WO2006089463A1 (en) | 2005-02-28 | 2005-02-28 | A method for combining pstn/isdn emulating in a ims system and a system for implementing the said method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101124812A CN101124812A (en) | 2008-02-13 |
| CN101124812B true CN101124812B (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200580048532.1A Expired - Fee Related CN101124812B (en) | 2005-02-28 | 2005-02-28 | A method for combining PSTN/ISDN emulation in IMS system and a system for implementing the said method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101124812B (en) |
| WO (1) | WO2006089463A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002032154A2 (en) * | 2000-10-09 | 2002-04-18 | General Bandwidth, Inc. | System and method for interfacing between signaling protocols |
| WO2002104057A1 (en) * | 2001-06-18 | 2002-12-27 | Nokia Corporation | Roaming from ims domain to the cs domain |
| CN1428985A (en) * | 2001-11-21 | 2003-07-09 | 阿尔卡塔尔公司 | IP multimedia communication conversation charging method, telecommunication system and network element |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100383552B1 (en) * | 2001-05-12 | 2003-05-12 | 에스케이 텔레콤주식회사 | A method for terminating call of a subscribed mobile having a plurality of ID in next generations mobile telecommunication network |
-
2005
- 2005-02-28 CN CN200580048532.1A patent/CN101124812B/en not_active Expired - Fee Related
- 2005-02-28 WO PCT/CN2005/000246 patent/WO2006089463A1/en not_active Application Discontinuation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002032154A2 (en) * | 2000-10-09 | 2002-04-18 | General Bandwidth, Inc. | System and method for interfacing between signaling protocols |
| WO2002104057A1 (en) * | 2001-06-18 | 2002-12-27 | Nokia Corporation | Roaming from ims domain to the cs domain |
| CN1428985A (en) * | 2001-11-21 | 2003-07-09 | 阿尔卡塔尔公司 | IP multimedia communication conversation charging method, telecommunication system and network element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101124812A (en) | 2008-02-13 |
| WO2006089463A1 (en) | 2006-08-31 |
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