CN101330715B - Method and equipment for establishing call control voice signaling load-bearing controlled by CS in SR VCC - Google Patents
Method and equipment for establishing call control voice signaling load-bearing controlled by CS in SR VCC Download PDFInfo
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- CN101330715B CN101330715B CN200710028694XA CN200710028694A CN101330715B CN 101330715 B CN101330715 B CN 101330715B CN 200710028694X A CN200710028694X A CN 200710028694XA CN 200710028694 A CN200710028694 A CN 200710028694A CN 101330715 B CN101330715 B CN 101330715B
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Abstract
The invention discloses a method for establishing a call control voice signaling carrier in an SR VCC controlled by CS. The method comprises the following steps: a user terminal on the side of a user sends instruction information used for instructing that an exclusive carrier used for transmitting call control voice signaling is required to be established to a system on the side of a network; the system on the side of the network establishes the exclusive carrier used for transmitting the call control voice signaling for the user terminal according to the instruction information. Correspondingly, the invention further discloses gateway equipment and a mobile management functional entity. An exclusive carrier is established for call control voice signaling according to the instruction of the instruction information and effectively solve the problems that the exclusive carrier is established due to mistakes and the network resources are wasted.
Description
Technical field
The present invention relates to moving communicating field, relate in particular among a kind of CS control SR VCC and set up method and gateway device and the mobile management functional entity of calling out the control voice signaling load-bearing.
Background technology
In traditional second generation (2G) mobile communications network, circuit switching system (CircuitSwitch is adopted in speech business, CS) transmit, for based on IP (Internet Protocol, Internet protocol) speech business of network (Voice over Internet Protocol, VoIP) (Packet Switch PS) transmits can to adopt packet switching system.Along with development of Communication Technique, communication network just by circuit-switched network to complete IP network evolution, grouping system (Evolved Packet System for evolution, EPS) the networking initial stage, it is imperfect the network coverage to occur, user terminal can appear in this moment, and (User Equipment, UE) situation about switching between 2G network, the third generation (3G) mobile communications network and EPS network will be considered to switch between EPS system or 3G network and 2G circuit domain for speech business.
At third generation partner plan (The3
RdGeneration Partnership Project, the 7th version (Release7 3GPP), voice continuity (Voice Call Continuity has been proposed R7), VCC) function, be used for finishing audio call in the CS of 3GPP system and IP Multimedia System (IP MultimediaSubsystem, IMS) ability of changing mutually between the system.And UE does not support two connecting systems of access mobile communication simultaneously, as: UE can not insert the CS of 2G network and the PS of 3G network simultaneously, so, the session condition that keeps simultaneously cutting out territory and incision territory between transfer period that requires among the VCC that R7 proposes can not be met, therefore single channel voice continuity (Single Radio Voice Call Continuity, SR VCC) technology has been proposed.
For two kinds of solutions of the main at present existence of SR VCC, a kind of is the thought of continuing to use R7VCC substantially, finishes the switching of audio call based on the IMS network; Another kind is based on CS control and finishes the switching of audio call, thereby makes full use of existing C S network, reduces networking cost, improves networking speed.
The SR VCC technology of CS control is not repelled the use to the IMS network, and its main thought is that different business is provided by two networks, and pure voice class business still has CS control, but not the voice class business is then provided by the IMS network.In this case, when UE carries out speech business in the CS network, adopt the CS current mechanism, (Mobile Switch Center MSC) finishes the processing of voice signaling and data by mobile switching centre.When UE carries out speech business in the EPS network, the EPS carrying is as the passage of voice signaling and data, VoP sends to grouped data network gateway (Packet Data NetworkGateway by the EPS carrying, P-GW), send to (the evolved Mobile Switch Center of mobile switching centre of evolution again, eMSC), by the unified processing of finishing voice signaling and data of eMSC.When the switching of EPS and 2G takes place, control by eMSC, thereby the switching of access technology is finished in the switching between the simulation MSC, and guaranteed the continuity of speech business.
As shown in Figure 1, as UE during attached to the CS network, for the voice class business, UE is by base transceiver station (Base Transceiver Station, BTS), base station controller (Base Station Controller, BSC) the calling control voice signaling in transmission 24.008 agreements converts ISUP (ISDN User Part to the MSC of evolution, ISUP)/call-independent control protocol bearing (Bearerindependent call control protocol, BICC) signaling is finished and is called out control, and uses this carrying to finish speech transmissions.When UE is attached to the EPS network, for the voice class business, UE is by NodeB (the evolved NodeB of evolution, eNodeB) and the calling control voice signaling of the dedicated bearing of setting up between IAD transmission 24.008over IP to eMSC, and convert the ISUP/BICC signaling to by eMSC and finish and call out control.
The inventor finds in realizing process of the present invention, when if the SR VCC scheme of CS control is selected by operator, set up for UE in the calling control voice signaling process that a dedicated bearing transmits 24.008over IP above-mentioned, if under the not reciprocity condition of UE ability and network side ability, can cause a large amount of wastes of Internet resources, as: the SR VCC ability of not supporting CS control as UE, set up the carrying of transmitting 24.008 over IP signalings and network side is UE, can cause waste of network resources; Support the SRVCC ability of CS control as UE, and network side does not provide this technical support, such as the SR VCC method that has adopted IMS control, this moment, UE initiatively initiated to set up the carrying foundation request of transmission 24.008 over IP signalings, and network side does not limit this and refuses, and also can cause waste of network resources.
Summary of the invention
The purpose of the embodiment of the invention is, provide among a kind of CS control SR VCC and set up method and gateway device and the mobile management functional entity of calling out the control voice signaling load-bearing, the dedicated bearing of calling out the control voice signaling is set up in indication according to indication information, has solved prior art effectively owing to mistake is set up the problem that described dedicated bearing causes network resources waste.
To achieve these goals, the embodiment of the invention has proposed to set up the method for calling out the control voice signaling load-bearing among a kind of CS control SR VCC, comprising:
The user terminal of user side is used to indicate needs foundation to be used for the indication information of the dedicated bearing of call transmission control voice signaling to system's transmission of network side;
The system of network side is that described user terminal is set up the dedicated bearing that is used for call transmission control voice signaling according to described indication information.
Correspondingly, the embodiment of the invention also provides a kind of gateway device, and it comprises:
Information extraction unit is used to extract that the subscriber equipment of user side sends is used to indicate needs to set up and is used for the indication information of the dedicated bearing of call transmission control voice signaling;
Information analysis unit, the indication information that extracts according to described information extraction unit judge whether that needs set up described dedicated bearing;
The unit is set up in carrying, when described information analysis element analysis goes out to set up described dedicated bearing, is used to initiate to carry and sets up the foundation that flow process is finished described dedicated bearing.
Correspondingly, the embodiment of the invention also provides a kind of mobile management functional entity, and it comprises:
Information acquisition unit is used to obtain that the subscriber equipment of user side or grouped data network gateway send is used to indicate needs to set up and is used for the indication information of the dedicated bearing of call transmission control voice signaling;
Information process unit, the indication information that extracts according to described information acquisition unit judge whether that needs set up described dedicated bearing;
Trigger element when described information process unit analyzes need set up described dedicated bearing the time, is used for sending to grouped data network gateway and is used to trigger the bearing request message of setting up that this gateway is set up described dedicated bearing.
A kind of CS that provides according to the embodiment of the invention controls the method for setting up calling control voice signaling load-bearing among the SR VCC, and the technical scheme of gateway device and mobile management functional entity, the indication information that the dedicated bearing that is used for call transmission control voice signaling is set up in the indication that network side sends according to the user terminal of user side judges whether that needs set up described dedicated bearing, if desired, it is that described user terminal is set up the dedicated bearing that is used for call transmission control voice signaling that flow process is set up in network side initiation carrying, reduce network resources waste so effectively, improved the performance of network system.
Description of drawings
Fig. 1 is the network architecture diagram of the SR VCC of existing a kind of CS control;
Fig. 2 is the structural representation of a kind of gateway device of the embodiment of the invention;
Fig. 3 is the structural representation of a kind of mobile management functional entity of the embodiment of the invention;
Fig. 4 is that a kind of CS of the embodiment of the invention controls the main flow chart of setting up the method for calling out the control voice signaling load-bearing among the SR VCC;
Fig. 5 is the detail flowchart of the described step S41 of Fig. 4;
Fig. 6 is the detail flowchart of the described step S42 of Fig. 4;
Fig. 7 is that a kind of CS of the embodiment of the invention controls the flow chart of setting up the method for calling out the control voice signaling load-bearing among the SR VCC.
Embodiment
Set up the method for calling control voice signaling load-bearing and the technical scheme of gateway device and mobile management functional entity among a kind of CS control SR VCC that the embodiment of the invention provides, the indication information that the dedicated bearing that is used for call transmission control voice signaling is set up in the indication that network side sends according to the user terminal of user side judges whether that needs set up described dedicated bearing, if desired, network side is initiated carrying to set up flow process is that described user terminal is set up the dedicated bearing that is used for call transmission control voice signaling.
Elaborate the technical scheme of the embodiment of the invention below in conjunction with accompanying drawing.
With reference to figure 2, be the structural representation of a kind of gateway device of the embodiment of the invention; According to this figure, gateway device 2 comprises:
In embodiments of the present invention, the described indication information that is used to indicate needs foundation to be used for the dedicated bearing of call transmission control voice signaling comprises:
CS control SR VCC option represents whether described user terminal supports CS control SR VCC, as: user terminal is supported CS control SR VCC, and then this option value is 1, otherwise value is 0 (be not limited thereto certainly, the value here can be defined by the network operator); Or
Specific APN (Access Point Name, APN) represents that described user terminal need set up the dedicated bearing of described call transmission control voice signaling.
Preferably, described gateway device 2 can be grouped data network gateway, and then described indication information is carried in the Attach Request message or bearing activation request message that user terminal sends to network side, is specially:
In UE capability (MS Capability) option of Attach Request message or bearing activation request message, increase CS control SR VCC option;
Perhaps, in Attach Request message or bearing activation request message, carry protocol configuration option (Protocol Configuration Option, the PCO) cell that includes CS control SR VCC option;
Perhaps, in Attach Request message or bearing activation request message, carry described specific APN.
With reference to figure 3, be the structural representation of a kind of mobile management functional entity of the embodiment of the invention; As known in the figure, mobile management functional entity 3 also comprises except comprising the prior function module:
Preferably, mobile management functional entity 3 may further include:
One record cell 34, when described information acquisition unit 31 extract that grouped data network gateway sends set up described indication information in the dedicated bearing request message after, be used to write down described carrying and be used for transferring voice control signaling.
In embodiments of the present invention, the described indication information that is used to indicate needs foundation to be used for the dedicated bearing of call transmission control voice signaling comprises:
CS control SR VCC option represents whether described user terminal supports CS control SR VCC; Or
Specific APN represents that described user terminal need set up the dedicated bearing of described call transmission control voice signaling.
Preferably, described indication information is carried in the Attach Request message that subscriber equipment sends to network side, is specially:
In the UE capability option of Attach Request message, increase CS control SR VCC option;
Perhaps, in Attach Request message, carry the protocol configuration option cell that includes CS control SR VCC option;
Perhaps, in Attach Request message, carry described specific APN.
Preferably, described mobile management functional entity 2 can be service GPRS ((General PacketRadio Service, GPRS) support node, then described indication information is carried on activation packet data protocol (the Packet Data Protocol that user terminal sends to network side, PDP) in context request message or the secondary activating PDP Context request message, be specially:
In the UE capability option that activates PDP Context request message or secondary activating PDP Context request message, increase CS control SR VCC option;
Perhaps, in activating PDP Context request message or secondary activating PDP Context request message, carry the protocol configuration option cell that includes CS control SR VCC option;
Perhaps, in activating PDP Context request message or secondary activating PDP Context request message, carry described specific APN.
Below specifically set forth the technical scheme of a kind of gateway device and the mobile management functional entity of the embodiment of the invention, to be attached to the EPS network with user terminal below is example, and elaborates the technical scheme of setting up the method for calling out the control voice signaling load-bearing among a kind of CS control SR VCC of the embodiment of the invention in conjunction with Fig. 4, Fig. 5, Fig. 6.
With reference to figure 4, be that a kind of CS of the embodiment of the invention controls the main flow chart of setting up the method for calling out the control voice signaling load-bearing among the SR VCC; Described method comprises:
Step S41, the user terminal of user side (as: mobile phone, palmtop PC etc.) is used for the indication information that the indication needs are set up the dedicated bearing that is used for call transmission control voice signaling (as: 24.008over IP signaling) to system's transmission of network side;
Step S42, the system of network side are that described user terminal is set up the dedicated bearing that is used for call transmission control voice signaling according to described indication information.
Wherein, the described indication information that is used to indicate needs foundation to be used for the dedicated bearing of call transmission control voice signaling is:
CS control SR VCC option represents whether described user terminal supports CS control SR VCC, as: user terminal is supported CS control SR VCC, and then this option value is 1, otherwise value is 0; Or
Specific APN represents that described user terminal need set up the dedicated bearing of described call transmission control voice signaling.
When specific implementation, described indication information can be carried on user terminal to adhering in request (Attach Request) message that network side sends, is specially:
In the UE capability option of Attach Request message, increase CS control SR VCC option;
Perhaps, in Attach Request message, carry the protocol configuration option cell that includes CS control SR VCC option;
Perhaps, in Attach Request message, carry specific APN.
Correspondingly, in conjunction with Fig. 5, described step S41 specifically comprises:
Step S501, S502, (evolvedNodeB eNodeB) sends described request (Attach Request) message of adhering to the user terminal of user side, registers to network to the NodeB of the evolution of network side, after eNodeB receives this message, it is transmitted to the mobile management functional entity.
Step S503, the mobile management functional entity (Mobility Management Entity, MME) (Home Subscriber Server HSS) initiates more new technological process of position to the ownership place client server, register described user, and obtain this user's subscription data.
Step S504, the mobile management functional entity is to gateway (Serving Gateway, S-GW) default bearer request (Create Default Bearer Request) message is set up in transmission, default bearer is set up in requirement, and in this message, carry the UE capability that includes CS control SR VCC option or the APN of protocol configuration option cell and addressing eMSC, perhaps in this message, carry described specific APN.
The APN of addressing eMSC described here can be carried in the Attach Request message or be configured in user's the subscribed database, is transmitted to grouped data network gateway after obtaining this APN by the mobile management functional entity.
Step S505, gateway receive described set up the default bearer request message after, (Packet Data Network Gateway P-GW) transmits this message to grouped data network gateway.
Step S506, grouped data network gateway receive described set up the default bearer request message after, utilize its information extraction unit to write down UE capability option or the described PCO information element or the specific APN of described user terminal, that is: extract indication information (CS control SR VCC option or specific APN), and to "Policy and Charging Rules Function entity (Policy and Charging Rules Function, PCRF) obtain the strategy of default bearer and charge control (Policy and Charging Control, PCC) rule.
Step S507～S514, grouped data network gateway is initiated carrying and is set up foundation and the attachment flow that flow process is finished default bearer.
Described step S42 specifically comprises:
If A information analysis element analysis of grouped data network gateway in step S506 goes out the UE capability option of its information extraction unit extraction or the value of the control of the CS in protocol configuration option cell SR VCC option is 1, perhaps include specific APN, then described grouped data network gateway need be set up the dedicated bearing that is used to transmit the 24.008over IP signaling for described user terminal, when adhere to default bearer set up finish after, carry out next step;
The carrying of B, grouped data network gateway is set up unit initiation carrying and is set up the foundation that flow process is finished described dedicated bearing, as shown in Figure 6, specifically comprises:
Step S601, the grouped data network gateway Resources allocation, set up bearer context, and send to gateway and to set up dedicated bearing request (Create Dedicated Bearer Request) message, carried the PCO information element or the CS control SR VCC cell of the described CS of including control SR VCC option in the described message;
Step S602, gateway receive described set up the dedicated bearing request message after, distribute related resource, set up bearer context, and transmit the described dedicated bearing request message of setting up to the mobile management functional entity;
Step S603, the mobile management functional entity receive described set up the dedicated bearing request message after, the PCO information element or the CS that include CS control SR VCC option that extract according to its information acquisition unit control SR VCC cell, set up bearer context, and utilize the described carrying of its recording unit records to be used for call transmission control signaling, and send carrying to the NodeB of evolution and set up request (Bearer Setup Request) message;
Step S604, the NodeB of evolution receive described carrying and set up request message rear line terminal transmission radio bearer foundation request (Radio Bearer Setup Request) message;
Step S605, user terminal receives after described radio bearer sets up request message, according to protocol configuration option cell that includes CS control SR VCC option or CS control SR VCC cell, judging this carrying is to be used for call transmission control signaling, and record in the bearer context, user terminal is replied radio bearer to the NodeB of evolution and is set up response (Radio Bearer Setup Response) message then;
Step S606, the NodeB of evolution receive after radio bearer sets up response message, send carrying to the mobile management functional entity and set up response (Bearer Setup Response) message;
Step S607, mobile management functional entity send to gateway and set up dedicated bearing response (CreateDedicated Bearer Response) message, and upgrade bearer context;
Step S608, gateway send to grouped data network gateway and set up the dedicated bearing response message, and upgrade bearer context;
Grouped data network gateway receive described set up the dedicated bearing response message after, upgrade bearer context, finish the foundation of the dedicated bearing of 24.008over IP signaling, and be connected to eMSC according to the APN of record.
In embodiments of the present invention,, then before step S601, also comprise step S600 if there is not pre-configured PCC rule, grouped data network gateway to PCRF alternately to obtain the PCC rule.
Preferably, if after the mobile management functional entity receives the Attach Request message of the next user terminal of eNodeB forwarding in step S501, S502, utilize its information acquisition unit to extract UE capability option or the described protocol configuration option cell or the specific APN of described user terminal, that is: extract indication information (CS control SR VCC option or specific APN), then described steps A is substituted by following step:
The information process unit of mobile management functional entity analyzes the UE capability option of its information recording unit record or the value of the control of the CS in protocol configuration option cell SRVCC option is 1, perhaps include specific APN, then described grouped data network gateway need be set up the dedicated bearing that is used to transmit the 24.008over IP signaling for described user terminal, then the trigger element of MME sends foundation carrying request (Create BearerRequest) message carry described CS control SR VCC option or specific APN to grouped data network gateway, and grouped data network gateway receives the described execution in step B after the bearing request message that sets up.
When specific implementation, described indication information can also be carried in bearing activation request (the Activate Bearer Request) message that user terminal sends to grouped data network gateway, is specially:
In the UE capability option of bearing activation request message, increase CS control SR VCC option;
Perhaps, in the bearing activation request message, carry the PCO information element that includes CS control SR VCC option;
Perhaps, in the bearing activation request message, carry specific APN.
Correspondingly, the step S41 described in the foregoing description is substituted by following steps:
The user terminal of user side sends described bearing activation request (ActivateBearer Request) message to grouped data network gateway, the dedicated bearing of the indication information indication that requires network to set up to carry in this bearing activation request message.
Last mask body has been set forth the detailed technology scheme of utilizing the embodiment of the invention to set up the dedicated bearing of call transmission control voice signaling in the EPS network, below in conjunction with Fig. 7 with in the 2G/3G network, user terminal carries out after PS adheres to, and sets up the proprietary PDP that is used for call transmission control voice signaling and is carried as example and further sets forth the technical scheme that a kind of CS control SR VCC of the embodiment of the invention sets up the method for calling out the control voice signaling load-bearing.
In the present embodiment, the described indication information that is used to indicate needs to set up to be used for the dedicated bearing of call transmission control voice signaling, be carried in activation PDP Context request (the Activate PDP Context Request) message or secondary activating PDP Context request (ActivateSecondary PDP Context Request) message that user terminal sends to Serving GPRS Support Node, be specially:
In the UE capability option that activates PDP Context request message or secondary activating PDP Context request message, increase CS control SR VCC option;
Perhaps, in activating PDP Context request message or secondary activating PDP Context request message, carry the PCO information element that includes CS control SR VCC option;
Perhaps, in activating PDP Context request message or secondary activating PDP Context request message, carry specific APN.
Described method comprises:
Step S701, user terminal is by wireless access network (Radio Access Network, RAN) (Serving GPRS Supporting Node SGSN) sends described activation PDP Context request (Activate PDP Context Request) message or secondary activating PDP Context request (Activate Secondary PDP Context Request) message to Serving GPRS Support Node.
Step S702, after Serving GPRS Support Node receives and activates PDP Context request message or secondary activating PDP Context request message, write down described UE capability option or PCO information element or specific APN, and to Gateway GPRS Support Node (Gateway GPRS Supporting Node GGSN) sends and to set up PDP Context request (Create PDP Context Request) message;
Step S703, Gateway GPRS Support Node judges whether that according to described PCO information element or the specific APN that sets up the UE capability option in the PDP Context request message or include CS control SR VCC option needs are that described user terminal is set up described dedicated bearing, if desired, then set up the PDP carrying corresponding with described dedicated bearing, and send to Serving GPRS Support Node and to set up PDP Context response (CreatePDP Context Response) message, carried the protocol configuration option cell or the CS control SR VCC cell of the described CS of including control SR VCC option in the described message.
Step S704～S706, after Serving GPRS Support Node receives and sets up the PDP Context response message, this carrying of record is used for transferring voice control signaling in bearer context, initiate RAB and set up (Radio Access Bearer Setup) flow process or base station system son system packet flow context (BSS PacketFlow Context) flow process, set up corresponding empty port load-supporting; And mutual with Gateway GPRS Support Node, upgrade described PDP Context.
Step S705, Serving GPRS Support Node send to activate PDP Context response (Activate PDP Context Response) message or secondary activating PDP Context response (ActivateSecondary PDP Context Response) message to user terminal, and this PDP carrying of informing user terminal is used for call transmission control voice signaling.
After described user terminal is received and is activated PDP Context response message or secondary activating PDP Context response message, according to the protocol configuration option cell or CS control SR VCC cell or the specific APN that include CS control SR VCC option, judging this carrying is to be used for call transmission control signaling, and records in the bearer context.
What deserves to be explained is that above-mentioned all embodiment are the preferred embodiments of the present invention, technical scheme of the present invention is not limited to set up the dedicated bearing of 24.008over IP signaling, is suitable for setting up other equally and similarly calls out the control voice signaling load-bearing.
In sum, a kind of CS that provides according to the embodiment of the invention controls the method for setting up calling control voice signaling load-bearing among the SR VCC, and the technical scheme of gateway device and mobile management functional entity, the indication information that the dedicated bearing that is used for call transmission control voice signaling is set up in the indication that the MME of network side or P-GW or SGSN send according to the user terminal of user side judges whether that needs set up described dedicated bearing, if desired, the MME of network side triggers P-GW and initiates carrying and set up flow process or P-GW and directly initiate to carry and set up flow process or SGSN and initiate carrying to set up flow process be that described user terminal is set up the dedicated bearing that is used for call transmission control voice signaling, solved so effectively and set up dedicated bearing and terminal is not supported this CS control SR VCC ability, perhaps network is not supported CS control SR VCC technology and terminal sends the technical problem that described dedicated bearing message is set up in request, thereby reduced waste of network resources effectively, improved systematic function.
Claims (11)
1. set up the method for calling out the control voice signaling load-bearing among the single channel voice continuity SR VCC of a CS control, it is characterized in that, comprising:
The user terminal of user side is used to indicate needs foundation to be used for the indication information of the dedicated bearing of call transmission control voice signaling to system's transmission of network side;
The system of network side is that described user terminal is set up the dedicated bearing that is used for call transmission control voice signaling according to described indication information;
Wherein, the described indication information that is used to indicate needs foundation to be used for the dedicated bearing of call transmission control voice signaling is:
CS control SR VCC option represents whether described user terminal supports CS control SR VCC; Or
Specific APN represents that described user terminal need set up the described dedicated bearing that is used for call transmission control voice signaling.
2. the method for claim 1 is characterized in that, described indication information is carried on user terminal in Attach Request message or bearing activation request message that network side sends, is specially:
In the UE capability option of Attach Request message or bearing activation request message, increase CS control SR VCC option;
Perhaps, in Attach Request message or bearing activation request message, carry the protocol configuration option cell that includes CS control SR VCC option;
Perhaps, in Attach Request message or bearing activation request message, carry specific APN.
3. the method for claim 1 is characterized in that, described indication information is carried in the activation PDP Context request message or secondary activating PDP Context request message that user terminal sends to Serving GPRS Support Node, is specially:
In the UE capability option that activates PDP Context request message or secondary activating PDP Context request message, increase CS control SR VCC option;
Perhaps, in activating PDP Context request message or secondary activating PDP Context request message, carry the protocol configuration option cell that includes CS control SR VCC option;
Perhaps, in activating PDP Context request message or secondary activating PDP Context request message, carry specific APN.
4. method as claimed in claim 2 is characterized in that, the system of network side is that the step that described user terminal is set up the dedicated bearing that is used for call transmission control voice signaling specifically comprises according to described indication information:
The grouped data network gateway of network side judges whether that according to described CS control SR VCC option or specific APN needs are the dedicated bearing that described user terminal is set up described call transmission control voice signaling, if desired, then carry out next step;
Grouped data network gateway is initiated carrying and is set up the foundation that flow process is finished described dedicated bearing.
5. method as claimed in claim 2 is characterized in that, the system of network side is that the step that described user terminal is set up the dedicated bearing that is used for call transmission control voice signaling specifically comprises according to described indication information:
The mobile management functional entity of network side judges whether that according to described CS control SR VCC option or specific APN needs are that described user terminal is set up described dedicated bearing, if desired, then send the bearing request message of setting up that carries described CS control SR VCC option or specific APN to grouped data network gateway;
Grouped data network gateway receive described set up bearer messages after, described grouped data network gateway is initiated carrying and is set up the foundation that flow process is finished described dedicated bearing.
6. as claim 4 or 5 described methods, it is characterized in that described grouped data network gateway is initiated carrying and set up flow process and finish the step of the foundation of described dedicated bearing and specifically comprise:
Grouped data network gateway is set up bearer context, and sets up the dedicated bearing request message to the gateway transmission, has carried the protocol configuration option cell or the CS control SR VCC cell of the described CS of including control SR VCC option in the described message;
Gateway receive described set up the dedicated bearing request message after, set up bearer context, and transmit the described dedicated bearing request message of setting up to the mobile management functional entity;
The mobile management functional entity receive described set up the dedicated bearing request message after, according to protocol configuration option cell that includes CS control SRVCC option or CS control SRVCC cell, set up bearer context, and the described carrying of record is used for transferring voice control signaling in this bearer context, and sends carrying to the NodeB of evolution and set up request message;
The NodeB of evolution receives described carrying and sets up request message rear line terminal and send radio bearer and set up request message;
User terminal receives after described radio bearer sets up request message, according to protocol configuration option cell that includes CS control SRVCC option or CS control SR VCC cell, judging this carrying is to be used for call transmission control signaling, and record in the bearer context, reply radio bearer to the NodeB of evolution then and set up response message;
The NodeB of evolution receives after radio bearer sets up response message, sends carrying to the mobile management functional entity and sets up response message;
The mobile management functional entity sends to gateway and sets up the dedicated bearing response message, and upgrades bearer context;
Gateway sends to grouped data network gateway and sets up the dedicated bearing response message, and upgrades bearer context;
Grouped data network gateway receive described set up the dedicated bearing response message after, upgrade bearer context, finish the foundation of dedicated bearing.
7. method as claimed in claim 3 is characterized in that, the system of network side is that described user terminal is set up the dedicated bearing that is used for call transmission control voice signaling and specifically comprised according to described indication information:
After Serving GPRS Support Node receives and activates PDP Context request message or secondary activating PDP Context request message, write down described UE capability option or protocol configuration option cell or specific APN, and set up the PDP Context request message to the Gateway GPRS Support Node transmission;
Gateway GPRS Support Node judges whether that according to described protocol configuration option cell or the specific APN that sets up the UE capability option in the PDP Context request message or include CS control SR VCC option needs are that described user terminal is set up described dedicated bearing, if desired, then set up the PDP carrying corresponding with described dedicated bearing, and send to Serving GPRS Support Node and to set up the PDP Context response message, carried the protocol configuration option cell or the CS control SR VCC cell of the described CS of including control SR VCC option in the described message;
After Serving GPRS Support Node receives and sets up the PDP Context response message, this carrying of record is used for transferring voice control signaling in bearer context, initiate RAB and set up flow process or base station sub-system packet flow context flow process, set up corresponding empty port load-supporting;
Serving GPRS Support Node send to activate PDP Context response message or secondary activating PDP Context response message to user terminal, and this PDP carrying of informing user terminal is used for call transmission control voice signaling;
After described user terminal is received described activation PDP Context response message or secondary activating PDP Context response message, according to the protocol configuration option cell or CS control SRVCC cell or the specific APN that include CS control SR VCC option, judging this carrying is to be used for call transmission control signaling, and records in the bearer context.
8. a gateway device is characterized in that, described gateway device comprises:
Information extraction unit is used to extract that user terminal sends is used to indicate needs to set up and is used for the indication information of the dedicated bearing of call transmission control voice signaling;
Information analysis unit, the indication information that extracts according to described information extraction unit judge whether that needs set up described dedicated bearing;
The unit is set up in carrying, when the information analysis element analysis goes out to set up described dedicated bearing, is used to initiate to carry and sets up the foundation that flow process is finished described dedicated bearing;
Wherein, the described indication information that is used to indicate needs foundation to be used for the dedicated bearing of call transmission control voice signaling comprises:
CS control single channel voice continuity SR VCC option represents whether described user terminal supports CS control SR VCC; Or
Specific APN represents that described user terminal need set up the dedicated bearing of described call transmission control voice signaling.
9. gateway device as claimed in claim 8 is characterized in that, described gateway device is a grouped data network gateway.
10. a mobile management functional entity is characterized in that, described mobile management functional entity comprises:
Information acquisition unit is used to extract that user terminal or grouped data network gateway send is used to indicate needs to set up and is used for the indication information of the dedicated bearing of call transmission control voice signaling;
Information process unit, the indication information that extracts according to described information acquisition unit judge whether that needs set up described dedicated bearing;
Trigger element when information process unit analyzes need set up described dedicated bearing the time, is used for sending to grouped data network gateway and is used to trigger the bearing request message of setting up that this gateway is set up described dedicated bearing;
Wherein, the described indication information that is used to indicate needs foundation to be used for the dedicated bearing of call transmission control voice signaling comprises:
CS control single channel voice continuity SR VCC option represents whether described user terminal supports CS control SR VCC; Or
Specific APN represents that described user terminal need set up the dedicated bearing of described call transmission control voice signaling.
11. mobile management functional entity as claimed in claim 10 is characterized in that, described mobile management functional entity also comprises:
Record cell, when described information acquisition unit extract that grouped data network gateway sends set up described indication information in the dedicated bearing request message after, be used to write down described carrying and be used for transferring voice control signaling.
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| CN200710028694XA CN101330715B (en) | 2007-06-20 | 2007-06-20 | Method and equipment for establishing call control voice signaling load-bearing controlled by CS in SR VCC |
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| CN101330715A CN101330715A (en) | 2008-12-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4643734B1 (en) * | 2009-08-12 | 2011-03-02 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile communication system |
| JP4834167B1 (en) * | 2010-06-04 | 2011-12-14 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile communication method and mobile communication system |
| JP5303589B2 (en) * | 2011-02-14 | 2013-10-02 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile communication method and mobility management node |
| CN104350807B (en) * | 2013-02-22 | 2018-08-14 | 华为技术有限公司 | A kind of method, apparatus and system for opening long term evolution speech business |
| CN112469114B (en) * | 2019-09-09 | 2022-11-18 | 成都鼎桥通信技术有限公司 | Session initial protocol registration method and device |
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