CN105791165B

CN105791165B - A kind of service bearer method, communication terminal, control network element S-CSCF and system

Info

Publication number: CN105791165B
Application number: CN201610113194.5A
Authority: CN
Inventors: 张子敬; 武选航
Original assignee: Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Current assignee: Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Priority date: 2016-02-29
Filing date: 2016-02-29
Publication date: 2019-11-08
Anticipated expiration: 2036-02-29
Also published as: CN105791165A; WO2017147959A1

Abstract

The embodiment of the invention discloses a kind of service bearer methods, it may include: communication terminal carries out media negotiation in the first access net and Correspondent Node according to service request；The first media resource reservation is carried out in the first access net according to media negotiation result；If the reserved resource of the first access net is unable to satisfy target resource, the second media resource reservation is carried out in the second access net；After communication terminal, which sends the first media resource reservation to Correspondent Node, completes message, communication terminal receives the second media resource reservation that Correspondent Node is sent after the completion of completing media resource reservation and completes message；Communication terminal and Correspondent Node establish service connection, and complete the bearing mode of the corresponding Media Stream of target service in message respectively in the first access net and the second net loaded Media Stream of access according to the first media resource reservation.The embodiment of the invention also provides a kind of communication terminal, control network element S-CSCF and systems, can effectively share network pressure, improve business service quality, increase user experience.

Description

A kind of service bearer method, communication terminal, control network element S-CSCF and system

Technical field

The present invention relates to IP multimedia subsystem (IMS, IP Multimedia Subsystem) more particularly to a kind of industry Business bearing method, communication terminal, control network element S-CSCF and system.

Background technique

In today of communication technology high speed development, IP technology and Internet across link layer transfer medium are widely used general And single voice communication mode has developed into completely new multimedia communication mode, increasingly meets people to Communication Development Demand.

An IP multimedia subsystem of the IMS (IP Multimedia Subsystem) as 3GPPR5 stage definitions be A kind of completely new multimedia service form, uses packet domain (PS) for the bearer path of its upper layer control signaling and media transmission, It introduces session initiation protocol (SIP, Session Initiation Protocol) and is used as Service control agreement, utilize SIP letter The convenient feature of single, easy extension, media combination separates Service control to provide relatively rich media business with carrying control, It can satisfy the demand of more novel, the more diversified multimedia service of present terminal client.IMS due to support it is a variety of access and Relatively rich media business becomes the core net standard architecture in full IP epoch.

VoLTE (Voice overLTE) is the voice service based on IMS, as a kind of IP data transmission technology, is not necessarily to 2G/3G net, whole service bearers in the ultimate voice solution on 4G network, being LTE (Long Term Evolution), Its voice can be realized using ps domain completely, cross the carrying of PS packet domain, session control and business datum in access Netcom Transmission is realized based on IP, it can be achieved that the unification of data and voice service under consolidated network, this means that operator can be VoLTE provides the control and management of higher level, and mobile broadband voice application will become mainstream, and traditional C/S domain will be by gradually Replace.Voice is equally transmitted based on IP, VoWiFi (Voice overWiFi) can be using WiFi as access net, and finally accesses Voice is completed to IMS network and carries realization on IP, it is the ip voice service that operator can control and manage.The communications field VoWIFI be the function that can be built in communication terminal, can be directly entered the core net of operator, realize and Cellular Networks Intercommunication, in the specification of 3GPP, WIFI access be considered as a kind of non-3 gpp wireless access type, then realize VoWIFI There are mainly two types of mode, i.e. voice data is considered as trusted access by WIFI access carrier core net and connects with trustless Enter, wherein the mode of trusted access is completed under the WIFI network of operator, and user terminal does not need to establish with network Ipsec tunnel, and mobile network directly can be accessed by PDN GW (packet data gateway), and trustless access then needs to pass through EPDG core network access carries data using ipsec tunnel between user terminal and eDPG.And although the quality of WIFI mass is straight The speech quality for influencing VoWIFI is connect, but the covering of Wi-Fi hotspot and signal quality indoors and in large-scale shopping plaza All be it is more satisfactory, since VoWIFI makes user obtain lower voice rate, and 4G network outdoor base station can be made up User is not enough made to receive the deficiency of dtr signal indoor covering, thus indoors and large-scale shopping plaza etc. is similar VoWiFi is that everybody is more favored in scene.

Currently, Domestic Carriers have begun the network of deployment VoLTE, about VoWIFI, T-Mobile USA in Also be proposed the VoWIFI business based on ePDG framework first within 2014, it is believed that for VoWiFi deployment in the near future with The development of the communication technology also can should gradually realize, so that terminal necessarily will appear VoLTE and VoWiFi while resident shape State.However, be limited for single business by the quality of service Qos that VoLTE or VoWiFi carrying can be provided, If single business is accessed network by VoLTE or VoWiFi to share carrying, if VoLTE or VoWiFi access network without Method meets business demand, then will be unable to provide preferably Qos, reduces user experience.For example, active user needs to carry out in many ways When video calling, VoLTE or VoWiFi is needed to reserve the resource of a plurality of audio stream and video flowing, if at this time single VoLTE or VoWiFi is unable to satisfy business demand, cannot reserve the resource of enough audio streams or video flowing, will be unable to provide better Qos carries multi-party video calls, to reduce user experience.

Summary of the invention

The embodiment of the invention provides a kind of service bearer method, communication terminal, network element S-CSCF and system are controlled, when Single access net can not bearer service when, carrying can be shared by two networks of VoLTE and VoWiFi, to share network Pressure improves business service quality, increases user experience.

In view of this, first aspect present invention provides a kind of service bearer method, it may include:

Communication terminal carries out media negotiation in the first access net and Correspondent Node according to service request；

Communication terminal carries out the first media resource reservation in the first access net according to media negotiation result；

If communication terminal determines the first access net, reserved resource is unable to satisfy target resource, and communication terminal connects second It networks and carries out the second media resource reservation, target resource is resource needed for the corresponding target service of service request, the second access The reserved resource of net is surplus resources not reserved in the first access net in target resource；

When communication terminal is crossed control network element S-CSCF and sent out to Correspondent Node in the first access net and the second access Netcom respectively After sending the first media resource reservation to complete message, communication terminal receives Correspondent Node after completing media resource reservation, is based on the The second media resource reservation that one media resource reservation completes message sending completes message, and the first media resource reservation completes message Bearing mode including the corresponding Media Stream of target service；

Communication terminal is based on the second media resource reservation completion message and Correspondent Node establishes service connection, and according to carrying Mode is respectively in the first access net and the second net loaded Media Stream of access.

In conjunction with the embodiment of the present invention in a first aspect, the first embodiment of the first aspect in the embodiment of the present invention In, the first access net is VoLTE, and the second access net is VoWIFI；Or,

First access net is VoWIFI, and the second access net is VoLTE.

In conjunction with the first embodiment of the first aspect of the embodiment of the present invention, in the first aspect of the embodiment of the present invention In second of embodiment, in communication terminal before the second access net carries out the second media resource reservation, in communication terminal root According to service request after the first access net and Correspondent Node carry out media negotiation, the service bearer method further include:

Communication terminal judges whether the reserved resource of the first access net meets target resource.

In conjunction with second of embodiment of the first aspect of the embodiment of the present invention, in the first aspect of the embodiment of the present invention In the third embodiment, when the first access net is VoLTE, and the second access net is VoWIFI, communication terminal judges that VoLTE is pre- Whether the resource stayed meets target resource

Communication terminal obtains the first bandwidth threshold of the reserved resource of VoLTE by evolved base station eNodeB, and determines The target bandwidth of target resource, communication terminal judge whether the first bandwidth threshold is not less than target bandwidth；

Or,

After communication terminal sends the first media resource reservation request message to evolved base station eNodeB, communication terminal inspection The the first media resource reservation failed message for whether having eNodeB to return surveyed.

In conjunction with the third embodiment of the first aspect of the embodiment of the present invention, in the first aspect of the embodiment of the present invention In 4th kind of embodiment, the service bearer method further include:

If communication terminal judges that the first bandwidth threshold is less than target bandwidth, communication terminal determines the reserved resource of VoLTE It is unable to satisfy target resource；

Or,

If the first media resource reservation failed message that communication terminal detection has eNodeB to return, communication terminal determine VoLTE reserved resource is unable to satisfy target resource.

In conjunction with second of embodiment of the first aspect of the embodiment of the present invention, in the first aspect of the embodiment of the present invention In 5th kind of embodiment, when the first access net is VoWIFI, and the second access net is VoLTE, communication terminal judges VoWIFI Whether reserved resource meets target resource

Communication terminal obtains the second bandwidth threshold of the reserved resource of VoWIFI by wireless network access point AP, and determines The target bandwidth of target resource, communication terminal judge whether the second bandwidth threshold is not less than target bandwidth；

Or,

After communication terminal sends the second media resource reservation request message to wireless network access point AP, communication terminal inspection The the second media resource reservation failed message for whether having AP to return surveyed.

In conjunction with the 5th kind of embodiment of the first aspect of the embodiment of the present invention, in the first aspect of the embodiment of the present invention In 6th kind of embodiment, the service bearer method further include:

If communication terminal judges that the second bandwidth threshold is less than target bandwidth, communication terminal determines the reserved resource of VoWIFI It is unable to satisfy target resource；

Or,

If the second media resource reservation failed message that communication terminal detection has AP to return, communication terminal determine VoWIFI Reserved resource is unable to satisfy target resource.

Second aspect of the present invention provides a kind of service bearer method, it may include:

After communication terminal accesses net first respectively and the second access net completes media resource reservation, network element S- is controlled CSCF receives communication terminal and completes message in the first media resource reservation that the first access net and the second access net are sent respectively；

S-CSCF completes message sending the first media resource reservation to Correspondent Node, so that Correspondent Node completes matchmaker After body resource reservation, message is completed based on the first media resource reservation and completes message to the second media resource reservation of communication terminal.

In conjunction with the second aspect of the embodiment of the present invention, in the first embodiment of the second aspect of the embodiment of the present invention In, the first media resource reservation is completed message sending to before Correspondent Node in S-CSCF, the service bearer method further include:

First internet protocol address and second of the S-CSCF inquiring communication terminal respectively with the first access net binding connects Network the second IP address bound；

First IP address and the second IP address are sent to application server by S-CSCF, so that application server is according to The relevant information for belonging to same target service is sent to corresponding Correspondent Node by one IP address and the second IP address.

Third aspect present invention provides a kind of communication terminal, it may include:

Media negotiation module, for carrying out media negotiation in the first access net and Correspondent Node according to service request；

First media resource reservation module, for carrying out the first media resource in the first access net according to media negotiation result It is reserved；

Second media resource reservation module, for judging that the reserved resource of the first access net is unable to satisfy mesh when communication terminal When marking resource, then the second media resource reservation is carried out in the second access net, target resource is the corresponding target service of service request Required resource, the reserved resource of the second access net are surplus resources not reserved in the first access net in target resource；

Receiving module, for crossing control network element S-CSCF in the first access net and the second access Netcom respectively when communication terminal After sending the first media resource reservation completion message to Correspondent Node, Correspondent Node is received after completing media resource reservation, base Message is completed in the second media resource reservation that the first media resource reservation completes message sending, the first media resource reservation is completed Message includes the bearing mode of the corresponding Media Stream of target service；

Module is established, establishes service connection with Correspondent Node for completing message based on the second media resource reservation；

Carrier module, for accessing net loaded Media Stream in the first access net and second respectively according to bearing mode.

In conjunction with the third aspect of the embodiment of the present invention, in the first embodiment of the third aspect of the embodiment of the present invention In, the first access net is VoLTE, and the second access net is VoWIFI；Or,

First access net is VoWIFI, and the second access net is VoLTE.

In conjunction with the first embodiment of the third aspect of the embodiment of the present invention, in the third aspect of the embodiment of the present invention In second of embodiment, communication terminal further include:

Judgment module, for judging whether the reserved resource of the first access net meets target resource.

In conjunction with second of embodiment of the third aspect of the embodiment of the present invention, in the second aspect of the embodiment of the present invention In the third embodiment, judgment module includes:

First judging submodule, for judging VoLTE when the first access net is VoLTE, and the second access net is VoWIFI Whether reserved resource meets target resource；

Or,

Second judgment submodule is that VoWIFI judges when the second access net is VoLTE for working as the first access net Whether VoWIFI reserved resource meets target resource.

In conjunction with the third embodiment of the third aspect of the embodiment of the present invention, in the second aspect of the embodiment of the present invention In 4th kind of embodiment, the first judging submodule includes:

First acquisition unit, for obtaining the bandwidth threshold of the reserved resource of VoLTE by evolved base station eNodeB；

First determination unit, for determining the target bandwidth of target resource；

Whether the first judging unit, the bandwidth threshold for judging that first acquisition unit obtains are not less than the first determination unit Determining target bandwidth；

Or,

First detection unit, for sending the request of the first media resource reservation to evolved base station eNodeB when communication terminal After message, the first media resource reservation failed message that eNodeB is returned is detected whether.

In conjunction with the 4th kind of embodiment of the third aspect of the embodiment of the present invention, in the second aspect of the embodiment of the present invention In 5th kind of embodiment, communication terminal further include:

First determining module, for when communication terminal judges that the first bandwidth threshold is less than target bandwidth, it is determined that VoLTE Reserved resource is unable to satisfy target resource；

Or,

Second determining module, the first media resource reservation failed message for thering is eNodeB to return when communication terminal detection When, it is determined that VoLTE reserved resource is unable to satisfy target resource.

In conjunction with the third embodiment of the third aspect of the embodiment of the present invention, in the second aspect of the embodiment of the present invention In 6th kind of embodiment, second judgment submodule includes:

Second acquisition unit, for obtaining the bandwidth threshold of the reserved resource of VoWIFI by wireless network access point AP；

Second determination unit, for determining the target bandwidth of target resource；

Whether second judgment unit, the bandwidth threshold for judging that second acquisition unit obtains are not less than the second determination unit Determining target bandwidth.

Or,

Second detection unit, for sending the request of the second media resource reservation to wireless network access point AP when communication terminal After message, the second media resource reservation failed message that AP is returned is detected whether.

In conjunction with the 6th kind of embodiment of the third aspect of the embodiment of the present invention, in the second aspect of the embodiment of the present invention In 7th kind of embodiment, communication terminal further include:

Third determining module, for when communication terminal judges that the second bandwidth threshold is less than target bandwidth, it is determined that VoWIFI reserved resource is unable to satisfy target resource；

Or,

4th determining module, when for there is the second media resource reservation failed message of AP return when communication terminal detection, Then determine that the reserved resource of VoWIFI is unable to satisfy target resource.

Fourth aspect present invention provides a kind of control network element S-CSCF, it may include:

Receiving module, for completing media resource reservation in the first access net and the second access net respectively when communication terminal Afterwards, it receives communication terminal and completes message in the first media resource reservation that the first access net and the second access net are sent respectively；

First sending module, for completing message sending the first media resource reservation to Correspondent Node, so that communication It is pre- to communication terminal the second media resource of transmission that message is completed after completing media resource reservation, based on the first media resource in opposite end It stays and completes message.

In conjunction with the fourth aspect of the embodiment of the present invention, in the first embodiment of the fourth aspect of the embodiment of the present invention In, control network element S-CSCF further include:

Enquiry module, for inquiring communication terminal respectively with first access net binding the first internet protocol address and Second IP address of the second access net binding；

Second sending module, for the first IP address and the second IP address to be sent to application server, so that using The relevant information for belonging to same target service is sent to corresponding logical by server according to the first IP address and the second IP address Believe opposite end.

Fifth aspect present invention provides a kind of service bearer system, the communication terminal of the third aspect including above-described embodiment And the control network element S-CSCF of fourth aspect.

As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that

In the present embodiment, when communication terminal carries out media negotiation in the first access net and Correspondent Node according to service request Afterwards, communication terminal can carry out the first media resource reservation in the first access net according to media negotiation result, if communication terminal is true The reserved resource of fixed first access net is unable to satisfy target resource, then communication terminal can carry out the second media in the second access net Resource reservation, the target resource are resource needed for the corresponding target service of service request, and the reserved resource of the second access net is Surplus resources not reserved in the first access net in target resource, and when communication terminal is respectively in the first access net and the second access Netcom cross control network element S-CSCF to Correspondent Node send the first media resource reservation complete message after, communication terminal can receive For Correspondent Node after completing media resource reservation, the second media resource completed message sending based on the first media resource reservation is pre- It stays and completes message, and message is completed based on second media resource reservation and establishes service connection with Correspondent Node, and can basis First media resource reservation completes the bearing mode of the corresponding Media Stream of target service in message respectively in the first access net and the The two net loaded Media Streams of access.From above-mentioned service bearer method it is known that when the reserved resource of single access net can not expire When resource needed for foot-eye business, business can be realized by two access nets come resource needed for reserved target business Carrying is shared, has not only shared network pressure in this way, but also reduces the probability of service connection failure between communication ends, to mention High business service quality, increases user experience.

Detailed description of the invention

Fig. 1 is a network architecture schematic diagram；

Fig. 2 is service bearer method one embodiment schematic diagram in the embodiment of the present invention；

Fig. 3 is another embodiment schematic diagram of service bearer method in the embodiment of the present invention；

Fig. 4 is another embodiment schematic diagram of service bearer method in the embodiment of the present invention；

Fig. 5 is another embodiment schematic diagram of service bearer method in the embodiment of the present invention；

Fig. 6 is another embodiment schematic diagram of service bearer method in the embodiment of the present invention；

Fig. 7 is another embodiment schematic diagram of service bearer method in the embodiment of the present invention；

Fig. 8 is communication terminal one embodiment schematic diagram in the embodiment of the present invention；

Fig. 9 is another embodiment schematic diagram of communication terminal in the embodiment of the present invention；

Figure 10 is that network element S-CSCF one embodiment schematic diagram is controlled in the embodiment of the present invention；

Figure 11 is that another embodiment schematic diagram of network element S-CSCF is controlled in the embodiment of the present invention.

Specific embodiment

In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work It encloses.

Description and claims of this specification and term " first ", " second ", " third ", " in above-mentioned attached drawing The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein Or the sequence other than the content of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce The other step or units of product or equipment inherently.

In the embodiment of the present invention, it is assumed that there are the first access net and the second access net, the first access net and the second access Net can be respectively that communication terminal IP-based communication network carries out sharing carrying, if the first access net is VoLTE, second is connect Networking is VoWIFI, conversely, the first access net is VoWIFI, the second access net is then VoLTE.

Currently, with the gradually maturation of VoLTE business, while more and more users' terminal supports Wireless Fidelity WIFI function Can, LTE voice calling service and WIFI voice calling service may be implemented using IMS in operator.Specifically, holding above-mentioned function The user of communication terminal the voice calling service of VoLTE can have both been provided the user with by LTE network, WIFI can also be passed through Provide the user with VoWIFI voice calling service.

In currently existing scheme, difference access net is respectively that communication terminal provides service bearer, i.e., between different access nets Service bearer is mutually indepedent, as shown in Figure 1, it is assumed that user needs to carry out multi-party video calls, then initiating multi-party video calls The communication terminal of one side needs to transmit and sends multi-path media resource information, if the business needs to carry 6 road audio frequency medias and 6 tunnels Video media, then communication terminal can realize that VoLTE provides 6 tunnel audio matchmakers based on VoLTE by eNodeB connection IMS network The carrying of body and 6 road video medias, or under Wireless LAN, communication terminal can pass through AP connection based on VoWIFI IMS network realizes that VoLTE provides the carrying of 6 road audio frequency medias and 6 road video medias.However for single business, pass through The Qos that VoLTE or VoWiFi carrying can be provided is limited, and the business more for transmission media content is even more so, such as Above explained multi-party video calls, it may be necessary to VoLTE or VoWiFi reserves the resource of a plurality of audio stream and video flowing, if VoLTE or VoWiFi can not reserve sufficient resource, then be unable to complete service bearer, it is possible to service connection be caused to fail.

In the embodiment of the present invention, based on the state that communication terminal VoLTE and VoWIFI is resident simultaneously, it is with the first access net VoLTE, the second access net are illustrated for being VoWIFI, when single mobile bearer network (VoLTE) bandwidth is limited, and mention When the service quality of confession is unable to satisfy business demand, the carrying of partial service can be provided by VoWiFi, equally such as Fig. 1 institute Show, communication terminal can by eNodeB connection IMS network by 3 tunnel audios and 3 tunnel video bearers in VoLTE, other 3 tunnel audio Then IMS network can be connected by AP with 3 road videos to be carried on VoWiFi, network pressure is shared with this, improves business service Quality increases user experience.

For ease of understanding, the state resident simultaneously based on VoLTE and VoWIFI, below to specific in the embodiment of the present invention Process is described, referring to Fig. 2, service bearer method one embodiment includes: in the embodiment of the present invention

201, communication terminal carries out media negotiation in the first access net and Correspondent Node according to service request；

When communication terminal needs to carry out service connection with Correspondent Node, communication terminal is needed as calling party side to work For the Correspondent Node initiating business request of callee side, during service request, communication terminal can be according to the business Request carries out media negotiation in the first access net and Correspondent Node, the encoding and decoding for selecting a both sides all to support for each media Format.The detailed process of media negotiation can be with are as follows: communication terminal is sent by control network element S-CSCF to Correspondent Node INVITE message, this message can list all medium types that communication terminal in this business is desirable for, work as Correspondent Node It, can portable communication terminal and Correspondent Node capability set when returning to response message using 183 (SessionProgress) message Intersection, i.e. Correspondent Node are a variety of codings that every kind of medium type returns to oneself support in a variety of codings that communication terminal is supported Mode, later, communication terminal can select unique one group of suitable encoding scheme, utilize RPACK according to own resources status Message is sent to Correspondent Node.

It should be noted that the communication terminal in the present embodiment can be calling party side, Correspondent Node can be called Square side limit herein after, is not repeated to limit later.In practical applications, callee one is used as in the present embodiment The Correspondent Node of side can be user terminal, be also possible to server, specifically herein without limitation.

It is understood that the first choice that the first access net in the present embodiment is communication terminal progress service connection default connects It networks, which can be set, i.e., state resident simultaneously in VoLTE and VoWIFI can be set as VoLTE Or VoWIFI, specifically herein without limitation.

202, communication terminal carries out the first media resource reservation in the first access net according to media negotiation result；

In the ims network, communication terminal and Correspondent Node are to transmit session initiation protocol using signaling PDP context Sip message carrys out media stream using media PDP Context, and the process of resource reservation is to establish the mistake of media PDP Context Journey.

In the present embodiment, after communication terminal and Correspondent Node progress media negotiation, communication terminal can be assisted according to media Quotient's result carries out the first media resource reservation in the first access net, then after media negotiation, if not can guarantee communication terminal In the case where all completing resource reservation with Correspondent Node, the prompting of such as ring mode will not be carried out to Correspondent Node, this first Media resource reservation process is communication terminal by completing with the first access net bottom layer entity interaction.

It is understood that the media negotiation result in the present embodiment may include medium type and/or encoding and decoding algorithm Format, specifically herein without limitation.

If 203, communication terminal determines that the reserved resource of the first access net is unable to satisfy target resource, communication terminal is the Two access nets carry out the second media resource reservation；

If communication terminal determines the reserved resource of the first access net and is unable to satisfy target resource, communication terminal can be the Two access nets carry out the second media resource reservation, which is resource needed for the corresponding target service of service request, the The reserved resource of two access nets is surplus resources not reserved in the first access net in target resource.

For example, in practical applications, it is assumed that terminal needs to carry out multi-party video calls, needed for the multi-party video calls business Resource be 6 tunnel audios and 6 road videos, and first access net can not reserve 6 tunnel audios and 6 road videos, 3 tunnel audios can only be reserved When with 3 road video, then communication terminal can reserve remaining 3 tunnel audio and 3 road videos in the second access net.It needs to illustrate It is that in practical applications, the resource that the first access net and the second access net can be reserved is other classifications and capacity, the present embodiment It is merely illustrative.

204, when communication terminal crosses control network element S-CSCF to communication pair in the first access net and the second access Netcom respectively After end sends the first media resource reservation completion message, communication terminal receives Correspondent Node after completing media resource reservation, base Message is completed in the second media resource reservation that the first media resource reservation completes message sending；

When communication terminal respectively first access net and second access net media resource reservation after the completion of, S- can be passed through CSCF sends the first media resource reservation to Correspondent Node and completes message, so that media resource reservation of the Correspondent Node at itself After the completion, communication terminal can receive the second media resource that Correspondent Node is completed message sending based on the first media resource reservation Reserved to complete message, which completes the bearing mode that message includes the corresponding Media Stream of target service.

It, can be with when communication terminal is after the first access net completes the first media resource reservation specifically, in practical applications UPDATE message is sent to S-CSCF in the first access net, and when in the second access net to complete the second media resource pre- for communication terminal After staying, UPDATE message can be sent to S-CSCF in the second access net, pass through the first access net and the second access net hair respectively The UPDATE message sent is all identified with the bearing mode of the corresponding Media Stream of target service, for example, passing through " m=video The form of 3400RTP/AVP VoLTE, m=video 3400RTP/AVP VoWIFI ", S-CSCF summarize communication terminal by the After the UPDATE message that one access net and the second access net are sent, it is sent in the form of the first media resource reservation completes message Application server, so that application server completes the first media resource reservation to be identified with VoLTE and VoWIFI respectively in message Message be sent to corresponding Correspondent Node, Correspondent Node itself also will do it media resource reservation, then in the media of itself Resource reservation is completed and after the first media resource reservation for receiving application server transmission completes message, can be to communication eventually End sends the second media resource reservation and completes message.

205, communication terminal is based on the second media resource reservation and completes message and Correspondent Node establishing service connection, and according to Bearing mode is respectively in the first access net and the second net loaded Media Stream of access.

After communication terminal receives the second media resource reservation completion message, illustrate communication terminal and Correspondent Node all to need The business to be carried out has reserved resource, it is ensured that the unobstructed progress of business, then such as ring can be carried out to Correspondent Node Etc. modes prompting, communication terminal can establish service connection with Correspondent Node, and can be complete according to the first media resource reservation It is net loaded in the first access net and the second access respectively at the bearing mode of the corresponding Media Stream of the target service carried in message Media Stream reaches sharing for network pressure.

In the present embodiment, when target service can not it is same access it is net loaded when, can by first access net Media resource reservation is carried out respectively with the second access net, is achieved the purpose that target service shares carrying, is effectively avoided target service The case where can not being connected between communication terminal and Correspondent Node, while network pressure can be mitigated, improve the Service Quality of business Amount increases user experience.

It should be noted that the second access net can be VoWIFI, Huo Zhe since the first access net can be VoLTE One access net can be VoWIFI, and the second access net can be VoLTE, so that communication terminal carries out the concrete mode of service bearer It is different, it is illustrated separately below:

One, the first access net is VoLTE, and the second access net is VoWIFI:

In the present embodiment, the first access net can be VoLTE, and the second access net can be VoWIFI, please refer to Fig. 3 and figure 4, another embodiment of service bearer method includes: in the embodiment of the present invention

301, communication terminal carries out media negotiation in VoLTE and Correspondent Node according to service request；

Based on the content that embodiment step 201 shown in Fig. 2 illustrates, communication terminal default the first access net is VoLTE, when When communication terminal is needed to Correspondent Node initiating business request, communication terminal can be during service request according to the business Request carries out media negotiation in VoLTE and Correspondent Node, the code/decode format for selecting a both sides all to support for each media.

302, communication terminal carries out the first media resource reservation in VoLTE according to media negotiation result；

Based on the content that embodiment step 202 shown in Fig. 2 illustrates, communication terminal completes media negotiation with Correspondent Node Afterwards, the first media resource reservation can be carried out in VoLTE according to negotiation result.

303, communication terminal judges whether the reserved resource of VoLTE meets target resource, if so, 304 are thened follow the steps, if It is no, then follow the steps 305；

When communication terminal according to media negotiation result when VoLTE carries out the first media resource reservation, communication terminal can be with Judge whether the reserved resource of VoLTE meets target resource.

In the present embodiment, communication terminal judges whether the reserved resource of VoLTE meets the concrete mode of target resource can be with Are as follows:

Or,

It is understood that above-mentioned only illustrate that communication terminal judges what VoLTE was reserved in the present embodiment with two examples Whether resource meets the concrete mode of target resource, and in practical applications, communication terminal can also be using other judgment modes It carries out using herein as long as can judge whether the reserved resource of VoLTE meets target resource, specific judgment mode is not done It limits.

It should be noted that in practical applications, after determining Correspondent Node according to service request due to communication terminal The target bandwidth of target resource needed for determining target service, and it can also lead to before VoLTE carries out the first medium reservation It crosses to eNodeB and obtains the bandwidth threshold that VoLTE carries out the resource that the first media resource reservation can be reserved, therefore, communication terminal It can judge whether the reserved resource of VoLTE meets target resource before VoLTE carries out the first medium reservation, it means that herein In the case of kind, the step 303 of the present embodiment can execute before step 302.Further, since communication terminal is carried out in VoLTE When the first media resource reservation, eNodeB can be sent for the corresponding each media flow direction of target service and send first matchmaker Body resource reservation request message, if this Media Stream is reserved successfully in VoLTE, eNodeB can return to the first matchmaker to communication terminal Body resource reservation success message, if this Media Stream, in the reserved failure of VoLTE, eNodeB can return to the first matchmaker to communication terminal Body resource reservation failed message, therefore the first media resource reservation that communication terminal can be returned by detecting whether eNodeB Whether this mode of failed message meets target resource come the resource for judging that VoLTE is reserved, it means that in this case, this Embodiment step 303 can execute after step 302.To, in the present embodiment the execution timing of step 303 according to situation and It is fixed, specifically herein without limitation.

304, other processes are executed；

If communication terminal judges VoLTE, reserved resource meets target resource, for example communication terminal judges the first bandwidth door Limit detects the first media resource reservation failed message that no eNodeB is returned not less than target bandwidth or communication terminal, then illustrates VoLTE can guarantee business demand, provide preferably service quality for target service, communication terminal can carry out on VoLTE The carrying of the corresponding Media Stream of target service.

305, communication terminal carries out the second media resource reservation in VoWIFI；

If communication terminal judges VoLTE, reserved resource meets target resource, for example communication terminal judges the first bandwidth door Limit, which is less than target bandwidth or communication terminal detection, the first media resource reservation failed message of eNodeB return, then communication terminal Its media resource that can be reserved can be reserved in VoLTE, then can carry out the second media resource reservation in VoWIFI, it should VoWIFI reserved resource is the surplus resources that do not reserve in VoLTE in target resource.

Step 306 in the present embodiment is identical to step 205 as the step 204 in embodiment illustrated in fig. 2 to step 307, Details are not described herein again.

Specifically, in step 307, communication terminal is according to bearing mode respectively in VoLTE and VoWIFI carrying media Stream.

It should be noted that embodiment illustrated in fig. 4 is the specific signaling diagram of embodiment illustrated in fig. 3, mainly illustrate communication eventually The interactive process at end and message when Correspondent Node progress service connection, such as in step 401, communication terminal and Correspondent Node carry out Media negotiation has actually passed the interaction of INVITE, 183 (Session Progress), PRACK message, this is in above-mentioned Fig. 2 Step 201 in illustrated embodiment is described in detail, and carries out resource reservation in VoLTE and VoWIFI respectively in communication terminal Afterwards, it can send UPDATE message to S-CSCF in VoLTE and VoWIFI respectively, it is to be understood that existed by communication terminal The step for UPDATE message that VoLTE is sent to S-CSCF, can be communication terminal itself in VoLTE and complete the first media money It is sent immediately after source is reserved, is also possible to communication terminal itself and is retransmited after VoWIFI completes the second media resource reservation, this The first media resource reservation that two UPDATE message, that is, S-CSCF are aggregated into completes message, is issued in Fig. 4 by Correspondent Node I.e. the second media resource reservation of 200OK/UPDATE message completes message, shows that Correspondent Node also completes media resource reservation, This step 204 in the embodiment depicted in figure 2 is also described in detail, and is specifically repeated no more.

It is understood that the signaling diagram of embodiment illustrated in fig. 4 is with the first access net for VoLTE, the second access net is Be illustrated for VoWIFI, if the first access net and the second access net change, which also changes accordingly, it is specific this Place is without limitation.

In the present embodiment, when communication terminal according to service request and Correspondent Node after VoLTE carries out media negotiation, can be with The first media resource reservation is carried out in VoLTE according to media negotiation result, and can be needed for VoLTE is unable to satisfy target service Target resource when, carry out the second media resource reservation in VoWIFI so that communication terminal and Correspondent Node be after service connection, Carrying can be shared what VoLTE and VoWIFI carried out same business respectively, network pressure is mitigated effectively with this, increases user's Experience effect.In addition, communication terminal carries out the first media resource reservation in VoLTE first, the net of VoWIFI can be effectively prevented Network quality needs the case where switching VoLTE when bad.

Two, the first access net is VoWIFI, and the second access net is VoLTE:

In the present embodiment, the first access net can be VoWIFI, and the second access net can be VoLTE, referring to Fig. 5, this Another embodiment of service bearer method includes: in inventive embodiments

501, communication terminal carries out media negotiation in VoWIFI and Correspondent Node according to service request；

Based on the content that embodiment step 201 shown in Fig. 2 illustrates, communication terminal default the first access net is VoWIFI, When communication terminal is needed to Correspondent Node initiating business request, communication terminal can be during service request according to the industry Business request carries out media negotiation in VoLTE and Correspondent Node, the encoding and decoding lattice for selecting a both sides all to support for each media Formula.

502, communication terminal carries out the first media resource reservation in VoWIFI according to media negotiation result；

Based on the content that embodiment step 202 shown in Fig. 2 illustrates, communication terminal completes media negotiation with Correspondent Node Afterwards, the first media resource reservation can be carried out in VoWIFI according to negotiation result.

503, communication terminal judges whether the reserved resource of VoWIFI meets target resource, if so, 504 are thened follow the steps, If it is not, thening follow the steps 505；

When communication terminal according to media negotiation result when VoWIFI carries out the first media resource reservation, communication terminal can be with Judge whether the reserved resource of VoWIFI meets target resource.

In the present embodiment, communication terminal judges whether the reserved resource of VoWIFI meets the concrete mode of target resource can be with Are as follows:

Or,

It is understood that above-mentioned only illustrate that communication terminal judges what VoWIFI was reserved in the present embodiment with two examples Whether resource meets the concrete mode of target resource, and in practical applications, communication terminal can also be using other judgment modes It carries out using as long as can judge whether the reserved resource of VoWIFI meets target resource, specific judgment mode is herein not It limits.

It should be noted that in practical applications, after determining Correspondent Node according to service request due to communication terminal The target bandwidth of target resource needed for determining target service, and it is before VoWIFI carries out the first medium reservation, it can also be with By obtaining the bandwidth threshold that VoWIFI carries out the resource that the first media resource reservation can be reserved, therefore, communication terminal to AP It can judge whether the reserved resource of VoWIFI meets target resource before VoWIFI carries out the first medium reservation, it means that In such cases, the step 503 of the present embodiment can execute before step 502.Further, since communication terminal VoWIFI into When the first media resource reservation of row, AP can be sent for the corresponding each media flow direction of target service and send first media Resource reservation request message, if this Media Stream is reserved successfully in VoWIFI, AP can return to the first media money to communication terminal Success message is reserved in source, if this Media Stream, in the reserved failure of VoWIFI, AP can return to the first media resource to communication terminal Reserved failed message, thus communication terminal can by detect whether the first media resource reservation failed message that AP is returned this Whether one mode meets target resource come the resource for judging that VoWIFI is reserved, it means that in this case, the present embodiment step Rapid 503 can execute after step 502.To, the execution timing of step 503 is decided as circumstances require in the present embodiment, it is specific this Place is without limitation.

504, other processes are executed；

If communication terminal judges VoWIFI, reserved resource meets target resource, for example communication terminal judges the second bandwidth door Limit is less than target bandwidth or communication terminal detects the second media resource reservation failed message that no AP is returned, then illustrates VoWIFI It can guarantee business demand, provide preferably service quality for target service, communication terminal can carry out target on VoWIFI The carrying of the corresponding Media Stream of business.

505, communication terminal carries out the second media resource reservation in VoLTE；

If communication terminal judges VoWIFI, reserved resource is unsatisfactory for target resource, for example communication terminal judges the second bandwidth The second media resource reservation failed message that thresholding is less than target bandwidth or communication terminal detection has AP to return, then communication terminal can To have reserved its media resource that can be reserved in VoWIFI, then the second media resource reservation can be carried out in VoLTE, it should VoLTE reserved resource is the surplus resources that do not reserve in VoWIFI in target resource.

Step 506 in the present embodiment is identical to step 205 as the step 204 of embodiment illustrated in fig. 2 to step 507, this Place repeats no more.

Specifically, communication terminal is according to bearing mode respectively in VoWIFI and VoLTE carrying media in step 507 Stream.

In the present embodiment, when communication terminal according to service request and Correspondent Node after VoWIFI carries out media negotiation, can To carry out the first media resource reservation in VoWIFI according to media negotiation result, and target service can be unable to satisfy in VoWIFI When required target resource, the second media resource reservation is carried out in VoLTE, so that communication terminal and Correspondent Node are in service connection Afterwards, carrying can be shared what VoWIFI and VoLTE carried out same business respectively, network pressure is mitigated effectively with this, increases and uses The experience effect at family.In addition, if preferred VoFIWI carries out the first media resource in the preferable situation of network quality of VoWIFI It is reserved, it can effectively mitigate the network pressure of general VoLTE.

Described service bearer method from communication terminal side above, below the embodiment of the present invention from control network element S-CSCF Side specifically describes service bearer method, referring to Fig. 6, another embodiment of service bearer method includes: in the embodiment of the present invention

601, after communication terminal accesses net first respectively and the second access net completes media resource reservation, network element is controlled S-CSCF receives communication terminal and completes message in the first media resource reservation that the first access net and the second access net are sent respectively；

When communication terminal is netted after completing media resource reservation in the first access net and the second access respectively, i.e., communication terminal is first The first media resource reservation first is carried out in the first access net, secondly carries out the second media resource reservation in the second access net, it can be with UPDATE message is sent to S-CSCF in the first access net and the second access net respectively, S-CSCF is received to net in different accesses and be sent out After the UPDATE message sent, these UPDATE messages can be summarized and complete message for the first media resource reservation.

602, S-CSCF completes message sending the first media resource reservation to Correspondent Node, so that Correspondent Node is complete After media resource reservation, it is complete to communication terminal the second media resource reservation of transmission that message is completed based on the first media resource reservation At message.

In the present embodiment, after S-CSCF, which receives the first media resource reservation, completes message, application service can be passed through Device completes the first media resource reservation to be sent to Correspondent Node in message, so that media resource reservation of the Correspondent Node at itself After the completion, message can be completed based on the first media resource reservation to disappear to communication terminal transmission the second media resource reservation completion Breath.

In the present embodiment, control network element S-CSCF can receive communication terminal respectively in the first access net and the second access net The first media resource reservation sent completes message, and first media resource reservation can be completed message sending to communication pair End, it means that communication terminal has carried out sharing carrying to same target service in the first access net and the second access net, in this way Network pressure can effectively be mitigated, business service quality is improved, increase the experience effect of user.

Referring to Fig. 7, another embodiment of service bearer method includes: in the embodiment of the present invention

Step 701 in the present embodiment is identical as the step 601 of embodiment illustrated in fig. 6, and details are not described herein again.

702, S-CSCF inquiring communication terminal the first internet protocol address and the with the first access net binding respectively Second IP address of two access net bindings；

Since communication terminal can carry out media resource reservation in the first access net and the second access net respectively, then communicating Terminal can realize the binding of the first IP address in the first access net respectively and realize tying up for the second IP address in the second access net It is fixed.In practical applications, if the same target service carries out resource reservation in two different access nets, in order to realize Same target service shares carrying what the first access net and the second access were netted, and S-CSCF needs to inquire the first IP address and second IP address.

703, the first IP address and the second IP address are sent to application server by S-CSCF, so that application server root The relevant information for belonging to same target service is sent to corresponding Correspondent Node according to the first IP address and the second IP address；

After S-CSCF inquires the first IP address and the second IP address, the first IP address and the second IP address can be sent out It send to application server, so that application server is after receiving the first media resource reservation information, it can according to the first IP The relevant information that first media resource reservation completes to belong to same target service in information is sent to by location and the second IP address Corresponding Correspondent Node.

For example, in practical applications, it is assumed that communication terminal carries out multi-party video calls, i.e. communication terminal A and Correspondent Node B, Correspondent Node C and Correspondent Node D carry out multi-party video calls, and the multi-party video calls need the 1st, 2,3,4,5,6 totally 6 tunnels Video and the 1st, 2,3,4,5,6 totally 6 tunnel audios, wherein the 1st tunnel, the 2nd tunnel, the 3rd road video and the 1st tunnel, the 2nd tunnel, the 3rd tunnel audio The first media resource reservation, the 4th tunnel, the 5th tunnel, the 6th road video and the 4th tunnel, the 5th tunnel, the 6th tunnel audio are carried out in the first access net The 1st tunnel, the 2nd road video and the 1st tunnel, the 2nd in second access net the second media resource reservation of progress, and in the first access network Road audio corresponds to Correspondent Node B, and the 5th tunnel, the 6th road video and the 5th tunnel, the 6th tunnel audio in the second access net correspond to logical Believe opposite end D, remaining 3rd tunnel, the 4th road video and the 3rd tunnel, the 4th tunnel audio are corresponding respectively for the first access net and the second access net In Correspondent Node C, then application server can be complete by the first media resource reservation according to the first IP address and the second IP address It is completed at the media resource reservation on the 1st tunnel, the 2nd road video and the 1st tunnel, the 2nd tunnel audio in the first access net corresponding in message Message is sent to Correspondent Node B, the media on the 5th tunnel, the 6th road video and the 5th tunnel, the 6th tunnel audio in corresponding second access net Resource reservation is completed message sending to Correspondent Node D, and correspond respectively to the 3rd road video of the first access net, the 3rd tunnel audio and Correspondent Node C is sent to corresponding to the 4th road video of the second access net, the 4th tunnel audio.It is understood that in practical application In, the resource that the first access net and the second access net can be reserved is other classifications and capacity, and Correspondent Node can be a side, Can be with multi-party other than above explained tripartite, the corresponding resource of Correspondent Node is also possible to other, the present embodiment only citing Explanation.

It is understood that step 702 to the step 703 in the present embodiment can also execute before step 701, as long as The first media resource reservation is completed message sending to before Correspondent Node in S-CSCF, specifically herein without limitation.

Step 704 in the present embodiment is identical as the step 602 of embodiment illustrated in fig. 6, and details are not described herein again.

In the present embodiment, on the basis of above-described embodiment explanation, S-CSCF can be by the first IP address of inquiry and the Two IP address are sent to application server, realize that the first media resource reservation is completed to belong in information by application server with this The related news of same target service are sent to corresponding Correspondent Node, guarantee that same Correspondent Node corresponds to same target service, Communication terminal may be implemented to same after the second media resource reservation for receiving Correspondent Node transmission completes message One target service shares carrying what the first access net and the second access were netted, to effectively mitigate network pressure, improves business clothes Business quality, increases the experience effect of user.

The service bearer method in the embodiment of the present invention is described above, below to logical in the embodiment of the present invention Letter terminal is described, referring to Fig. 8, terminal one embodiment includes: in the embodiment of the present invention

Media negotiation module 801, for carrying out media negotiation in the first access net and Correspondent Node according to service request；

First media resource reservation module 802, for carrying out the first media in the first access net according to media negotiation result Resource reservation；

Second media resource reservation module 803, for judging that the reserved resource of the first access net can not expire when communication terminal When foot-eye resource, then the second media resource reservation is carried out in the second access net, target resource is the corresponding target of service request Resource needed for business, the reserved resource of the second access net are surplus resources not reserved in the first access net in target resource；

Receiving module 804, for crossing control network element S- in the first access net and the second access Netcom respectively when communication terminal After CSCF sends the first media resource reservation completion message to Correspondent Node, receives Correspondent Node and complete media resource reservation Afterwards, message is completed based on the second media resource reservation that the first media resource reservation completes message sending, the first media resource is pre- Stay the bearing mode for completing that message includes the corresponding Media Stream of target service；

Module 805 is established, establishes service connection with Correspondent Node for completing message based on the second media resource reservation；

Carrier module 806, for accessing net loaded Media Stream in the first access net and second respectively according to bearing mode.

In the present embodiment, when target service can not it is same access it is net loaded when, can by the first media provide Source reserves module 802 and the second media resource reservation module 803 and carries out media resource reservation respectively, reaches target service and shares and holds The purpose of load, the case where effectively avoiding target service that from can not connecting between communication terminal and Correspondent Node, while can mitigate Network pressure improves the service quality of business, increases user experience.

Figure is please referred to refering to Fig. 9, another embodiment of terminal includes: in the embodiment of the present invention

Module 901 in the embodiment of the present invention is identical as the module 801 of embodiment illustrated in fig. 8, shown in module 902 and Fig. 6 The module 902 of embodiment is identical, and details are not described herein again.

Judgment module 903, for judging whether the reserved resource of the first access net meets target resource.

Module 904 in the embodiment of the present invention is identical as the module 803 of embodiment illustrated in fig. 8, shown in module 905 and Fig. 8 The module 804 of embodiment is identical, and module 906 is identical as the module 805 of embodiment illustrated in fig. 8, implements shown in module 907 and Fig. 8 The module 806 of example is identical, and details are not described herein again.

In the present embodiment, judgment module 903 be may further include:

First judging submodule 9031 is that VoLTE judges when the second access net is VoWIFI for working as the first access net Whether VoLTE reserved resource meets target resource；

Or,

Second judgment submodule 9032 is that VoWIFI judges when the second access net is VoLTE for working as the first access net Whether VoWIFI reserved resource meets target resource.

In the present embodiment, the first judging submodule 9031 be may further include:

First acquisition unit 90311, for obtaining the bandwidth door of the reserved resource of VoLTE by evolved base station eNodeB Limit；

First determination unit 90312, for determining the target bandwidth of target resource；

First judging unit 90313, for judging whether the bandwidth threshold that first acquisition unit obtains is not less than first really The target bandwidth that order member determines；

Or,

First detection unit 90314, it is pre- to evolved base station eNodeB the first media resource of transmission for working as communication terminal After staying request message, the first media resource reservation failed message that eNodeB is returned is detected whether.

Based on above-mentioned first judging unit 90313 and first detection unit 90314, in the present embodiment, communication terminal can be with Further comprise:

First determining module 908, for when communication terminal judges that the first bandwidth threshold is less than target bandwidth, it is determined that VpLTE reserved resource is unable to satisfy target resource；

Or,

Second determining module 909, the first media resource reservation failure for thering is eNodeB to return when communication terminal detection When message, it is determined that VoLTE reserved resource is unable to satisfy target resource.

In the present embodiment, second judgment submodule 9032 be may further include:

Second acquisition unit 90321, for obtaining the bandwidth of the reserved resource of VoWIFI by wireless network access point AP Thresholding；

Second determination unit 90322, for determining the target bandwidth of target resource；

Second judgment unit 90323, for judging whether the bandwidth threshold that second acquisition unit obtains is not less than second really The target bandwidth that order member determines；

Or,

Second detection unit 90324, it is pre- to wireless network access point AP the second media resource of transmission for working as communication terminal After staying request message, the second media resource reservation failed message that AP is returned is detected whether.

Based on above-mentioned second judgment unit 90323 and second detection unit 90324, in the present embodiment, communication terminal can be with Further comprise:

Third determining module 910, for when communication terminal judges that the second bandwidth threshold is less than target bandwidth, it is determined that VoWIFI reserved resource is unable to satisfy target resource；

Or,

4th determining module 911, the second media resource reservation failed message for thering is AP to return when communication terminal detection When, it is determined that VoWIFI reserved resource is unable to satisfy target resource.

In the present embodiment, when media negotiation module 901 is carried out according to service request and Correspondent Node in VoLTE or VoWIFI After media negotiation, the first media resource reservation module 902 can carry out first in VoLTE or VoWIFI according to media negotiation result Media resource reservation, and when target resource needed for being unable to satisfy target service in VoLTE or VoWIFI, the second media money Source is reserved module 903 and is carried out in the second media resource reservation of corresponding VoWIFI or VoLTE, so that establishing module 906 and communication Opposite end can share carrying what VoLTE and VoWIFI carried out same business respectively, effectively mitigate net with this after service connection Network pressure increases the experience effect of user.In addition, carrying out the first media resource reservation in VoLTE first, can be effectively prevented The case where switching VoLTE is needed when the network quality of VoWIFI is bad.

The communication terminal in the embodiment of the present invention is described above, below to the control net in the embodiment of the present invention First S-CSCF is described, referring to Fig. 10, control network element S-CSCF one embodiment includes: in the embodiment of the present invention

Receiving module 1001 is used for when communication terminal is pre- in the first access net and the second access net completion media resource respectively After staying, receives communication terminal and complete message in the first media resource reservation that the first access net and the second access net are sent respectively；

First sending module 1002, for completing message sending the first media resource reservation to Correspondent Node, so that Correspondent Node completes message based on the first media resource reservation and sends the second matchmaker to communication terminal after completing media resource reservation Body resource reservation completes message.

In the present embodiment, receiving module 1001 can receive communication terminal respectively in the first access net and the second access net hair The first media resource reservation sent completes message, which can be completed message by the first sending module 1002 It is sent to Correspondent Node, it means that communication terminal has carried out point same target service in the first access net and the second access net It undertakes carrying, can effectively mitigate network pressure in this way, improve business service quality, increase the experience effect of user.

Figure 11 is please referred to, control another embodiment of network element S-CSCF includes: in the embodiment of the present invention

Module 1101 in the embodiment of the present invention is identical as the module 1001 of embodiment illustrated in fig. 10, and details are not described herein again.

Enquiry module 1102, the first Internet protocol IP bound respectively with the first access net for inquiring communication terminal Second IP address of location and the second access net binding；

Second sending module 1103, for the first IP address and the second IP address to be sent to application server, so that The relevant information for belonging to same target service is sent to correspondence according to the first IP address and the second IP address by application server Correspondent Node；

Module 1104 in the embodiment of the present invention is identical as the module 1002 of embodiment illustrated in fig. 10, and details are not described herein again.

In the present embodiment, on the basis of above-described embodiment explanation, enquiry module 1102 can by the first IP of inquiry Location and the second IP address pass through the second sending module 1103 and are sent to application server, realize application server by the first matchmaker with this The related news that body resource reservation completes to belong to same target service in information are sent to corresponding Correspondent Node, guarantee same Correspondent Node corresponds to same target service, while making communication terminal pre- in the second media resource for receiving Correspondent Node transmission Staying, which may be implemented after completing message, shares carrying what the first access net and the second access were netted to same target service, thus effectively Mitigate network pressure, improves business service quality, increase the experience effect of user.

Service bearer system provided in this embodiment passes through the communication terminal being arranged in any of the above-described embodiment and control Network element S-CSCF processed, to have all beneficial effects possessed by communication terminal and control network element S-CSCF, herein no longer It repeats.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit It closes or communicates to connect, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (RoM, Read-only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey The medium of sequence code.

The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims

1. a kind of service bearer method characterized by comprising

The communication terminal carries out the first media resource reservation in the first access net according to media negotiation result；

If communication terminal determines the reserved resource of the first access net and is unable to satisfy target resource, the communication terminal is the Two access nets carry out the second media resource reservation, and the target resource is money needed for the corresponding target service of the service request Source, the reserved resource of the second access net are surplus resources not reserved in the first access net in the target resource；

When the communication terminal crosses control network element S-CSCF to institute in the first access net and second access Netcom respectively After stating Correspondent Node transmission the first media resource reservation completion message, the communication terminal receives the Correspondent Node and completes matchmaker After body resource reservation, message is completed based on the second media resource reservation that first media resource reservation completes message sending, First media resource reservation completes the bearing mode that message includes the corresponding Media Stream of the target service；

The communication terminal is based on second media resource reservation completion message and the Correspondent Node establishes service connection, and According to the bearing mode respectively in the first access net and the net loaded Media Stream of second access；

The first access net is VoLTE, and the second access net is VoWIFI；

Or,

The first access net is VoWIFI, and the second access net is VoLTE.

2. service bearer method according to claim 1, which is characterized in that the communication terminal second access net into Before the second media resource reservation of row, matchmaker is carried out in the first access net and Correspondent Node according to service request in the communication terminal After body is negotiated, the method also includes:

The communication terminal judges whether the reserved resource of the first access net meets target resource.

3. service bearer method according to claim 2, which is characterized in that when it is described first access net be VoLTE, it is described When second access net is VoWIFI, the communication terminal judges whether the reserved resource of the VoLTE meets target resource and include:

The communication terminal obtains the first bandwidth threshold of the reserved resource of the VoLTE by evolved base station eNodeB, and Determine the target bandwidth of the target resource, the communication terminal judges whether first bandwidth threshold is not less than the target Bandwidth；

Or,

After the communication terminal sends the first media resource reservation request message to evolved base station eNodeB, the communication is eventually End detects whether the first media resource reservation failed message that the eNodeB is returned.

4. service bearer method according to claim 3, which is characterized in that the method also includes:

If the communication terminal judges that first bandwidth threshold is less than the target bandwidth, described in the communication terminal determines VoLTE reserved resource is unable to satisfy target resource；

Or,

If the first media resource reservation failed message that the communication terminal detection has the eNodeB to return, the communication is eventually End determines that the reserved resource of the VoLTE is unable to satisfy target resource.

5. service bearer method according to claim 2, which is characterized in that when the first access net is VoWIFI, institute When to state the second access net be VoLTE, the communication terminal judges whether the reserved resource of the VoWIFI meets target resource packet It includes:

The communication terminal obtains the second bandwidth threshold of the reserved resource of the VoWIFI by wireless network access point AP, and Determine the target bandwidth of the target resource, the communication terminal judges whether second bandwidth threshold is not less than the target Bandwidth；

Or,

After the communication terminal sends the second media resource reservation request message to wireless network access point AP, the communication is eventually End detects whether the second media resource reservation failed message that the AP is returned.

6. service bearer method according to claim 5, which is characterized in that the method also includes:

If the communication terminal judges that second bandwidth threshold is less than the target bandwidth, described in the communication terminal determines VoWIFI reserved resource is unable to satisfy target resource；

Or,

If the second media resource reservation failed message that the communication terminal detection has the AP to return, the communication terminal are true The fixed VoWIFI reserved resource is unable to satisfy target resource.

7. a kind of service bearer method characterized by comprising

When communication terminal is netted after completing media resource reservation in the first access net and the second access respectively, control network element S-CSCF is connect The communication terminal is received to complete in the first media resource reservation that the first access net and the second access net are sent respectively Message；

The S-CSCF completes message sending first media resource reservation to Correspondent Node, so that the Correspondent Node After sending the second media resource reservation completion message to the communication terminal based on first media resource reservation completion message, The communication terminal is based on second media resource reservation completion message and the Correspondent Node establishes service connection, exists respectively The first access net and the net loaded Media Stream of second access；

The first access net is VoLTE, and the second access net is VoWIFI；

Or,

The first access net is VoWIFI, and the second access net is VoLTE.

8. service bearer method according to claim 7, which is characterized in that provide first media in the S-CSCF Source is reserved to be completed message sending to before Correspondent Node, the method also includes:

The S-CSCF inquires first internet protocol address of the communication terminal respectively with the first access net binding With the second IP address with the second access net binding；

First IP address and second IP address are sent to application server by the S-CSCF, so that the application The relevant information for belonging to same target service is sent to by server according to first IP address and second IP address Corresponding Correspondent Node.

9. a kind of communication terminal characterized by comprising

Second media resource reservation module, for judging that the reserved resource of the first access net is unable to satisfy mesh when communication terminal When marking resource, then the second media resource reservation is carried out in the second access net, the target resource is that the service request is corresponding Resource needed for target service, the reserved resource of the second access net are in the target resource not in the first access net Reserved surplus resources；

Receiving module, for crossing control net in the first access net and second access Netcom respectively when the communication terminal After first S-CSCF sends the first media resource reservation completion message to the Correspondent Node, receives the Correspondent Node and complete matchmaker After body resource reservation, message is completed based on the second media resource reservation that first media resource reservation completes message sending, First media resource reservation completes the bearing mode that message includes the corresponding Media Stream of the target service；

Module is established, establishes service connection with the Correspondent Node for completing message based on second media resource reservation；

Carrier module, for net loaded described in the first access net and second access respectively according to the bearing mode Media Stream；

The first access net is VoLTE, and the second access net is VoWIFI；

Or,

The first access net is VoWIFI, and the second access net is VoLTE.

10. communication terminal according to claim 9, which is characterized in that the communication terminal further include:

11. communication terminal according to claim 10, which is characterized in that the judgment module includes:

First judging submodule is VoLTE for working as the first access net, when the second access net is VoWIFI, is judged Whether the VoLTE reserved resource meets target resource；

Or,

Second judgment submodule is VoWIFI for working as the first access net, when the second access net is VoLTE, is judged Whether the VoWIFI reserved resource meets target resource.

12. communication terminal according to claim 11, which is characterized in that first judging submodule includes:

First acquisition unit, for obtaining the bandwidth threshold of the reserved resource of the VoLTE by evolved base station eNodeB；

First determination unit, for determining the target bandwidth of the target resource；

Whether the first judging unit, the bandwidth threshold for judging that the first acquisition unit obtains are not less than described first The target bandwidth that determination unit determines；

Or,

First detection unit, for sending the request of the first media resource reservation to evolved base station eNodeB when the communication terminal After message, the first media resource reservation failed message that the eNodeB is returned is detected whether.

13. communication terminal according to claim 12, which is characterized in that the communication terminal further include:

First determining module, for when the communication terminal judges that the first bandwidth threshold is less than the target bandwidth, it is determined that The VoLTE reserved resource is unable to satisfy target resource；

Or,

Second determining module, the first media resource reservation failure for thering is the eNodeB to return when communication terminal detection When message, it is determined that the reserved resource of the first access net is unable to satisfy target resource.

14. communication terminal according to claim 11, which is characterized in that the second judgment submodule includes:

Second acquisition unit, for obtaining the bandwidth threshold of the reserved resource of the VoWIFI by wireless network access point AP；

Second determination unit, for determining the target bandwidth of the target resource；

Whether second judgment unit, the bandwidth threshold for judging that the second acquisition unit obtains are not less than described second The target bandwidth that determination unit determines；

Or,

Second detection unit, for sending the request of the second media resource reservation to wireless network access point AP when the communication terminal After message, the second media resource reservation failed message that the AP is returned is detected whether.

15. communication terminal according to claim 14, which is characterized in that the communication terminal further include:

Third determining module, for when the communication terminal judges that the second bandwidth threshold is less than the target bandwidth, it is determined that The VoWIFI reserved resource is unable to satisfy target resource；

Or,

4th determining module, the second media resource reservation failed message for thering is the AP to return when communication terminal detection When, it is determined that the VoWIFI reserved resource is unable to satisfy target resource.

16. a kind of control network element S-CSCF characterized by comprising

Receiving module connects for netting after completing media resource reservation in the first access net and the second access respectively when communication terminal The communication terminal is received to complete in the first media resource reservation that the first access net and the second access net are sent respectively Message；

First sending module, for completing message sending first media resource reservation to Correspondent Node, so that described Correspondent Node is based on the first media resource reservation information and disappears to communication terminal transmission the second media resource reservation completion After breath, the communication terminal is based on second media resource reservation completion message and the Correspondent Node establishes service connection, Respectively in the first access net and the net loaded Media Stream of second access；

The first access net is VoLTE, and the second access net is VoWIFI；

Or,

The first access net is VoWIFI, and the second access net is VoLTE.

17. control network element S-CSCF according to claim 16, which is characterized in that the control network element S-CSCF is also wrapped It includes:

Enquiry module, for inquiring the communication terminal respectively with the first Internet protocol IP of the first access net binding Second IP address of location and the second access net binding；

Second sending module, for first IP address and second IP address to be sent to application server, so that The application server will belong to the related letter of same target service according to first IP address to second IP address Breath is sent to corresponding Correspondent Node.

18. a kind of service bearer system, which is characterized in that including the communication terminal as described in any one of claim 9 to 15 And such as the described in any item control network element S-CSCF of claim 16 to 17.