CN102714828A - Service transfer method, device and system - Google Patents
Service transfer method, device and system Download PDFInfo
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- CN102714828A CN102714828A CN2010800052237A CN201080005223A CN102714828A CN 102714828 A CN102714828 A CN 102714828A CN 2010800052237 A CN2010800052237 A CN 2010800052237A CN 201080005223 A CN201080005223 A CN 201080005223A CN 102714828 A CN102714828 A CN 102714828A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
- H04W36/00224—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB]
- H04W36/00226—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB] wherein the core network technologies comprise IP multimedia system [IMS], e.g. single radio voice call continuity [SRVCC]
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Abstract
The present invention relates to a service transfer method, device and system. The method includes that: a network entity in a Package-Switched (PS) domain receives a message carrying Service Change and UDI Fallback (SCUDIF) capability of a terminal; the network entity in the PS domain transmits the message carrying the SCUDIF capability of the terminal to a network side of a Circuit-Switched (CS) domain, so as to enable the network side of the CS domain select suitable transfer flow according to the SCUDIF capability of the terminal when performing video Single Radio Voice Call Continuity (vSRVCC), thereby solving the problem in the prior art that the delay in the transfer process is comparatively long, and user experience is comparatively bad.
Description
Business switch method, apparatus and system
Technical field
The present invention relates to communication technical field, more particularly to a kind of business switch method, apparatus and system.Background technology
IP multimedia subsystem（IP Multimedia Subsystem, IMS) it is the subsystem for supporting IP multimedia service, it is telecommunications core net of future generation, the core net unrelated with access technology.The dialogue-based initializtion protocols of IMS (Session Initiation Protocol, SIP), created, managed and terminated various types of multimedia services using SIP Call- Control1s mechanism.
Single wireless video call continuity (video Single Radio Voice Call Continuity, vSRVCC) it is third generation partner program (3rd Generation Partnership Project, 3GPP) the project of the single wireless video call continuity feasibility of research, it is from packet switch (Packet Switched by IMS video callings, PS) access is switched to a kind of handoff technique of circuit switching (Circuit Switching, CS) access.
VSRVCC is one kind of business continuance, to consider to switch while video plus speech.VSRVCC switchings in the prior art first carry out audio call switching, perform the renewal of remote leg, so as to establish the carrying of CS audio calls；Then terminal initiates new SETUP message, and new multimedia call carrying is set up between network, and CS audio calls are suspended（hold)；Intermediate node completes CS signalings to the conversion of SIP signalings, sends SIP invite message, then performs the codec negotiations processes of standard, and application server carries out the renewal of remote leg, completes audio call and be switched to multimedia call.
Inventor has found prior art, and there are the following problems：After the completion of audio call switching, the CS audio calls carrying of foundation is suspended immediately（Hold), then restart to set up new multimedia call carrying by SETUP message between terminal and network, so initial CS audio calls carrying is never used, substituted until by newly-established calling.Therefore the program is that time delay is long in the scheme renegotiated completely, handoff procedure, and Consumer's Experience is poor.
The content of the invention
The embodiment of the present invention provides a kind of business switch method, apparatus and system, with long, the problem of Consumer's Experience is poor that solve time delay in prior art handoff procedure.
The embodiment of the present invention provides a kind of business switch method, including：
The business that packet switched ps domain network entity receives carried terminal changes the message for falling SCUD IF abilities after rise with unrestricted digital information；
The message that ps domain network entity will carry the SCUDIF abilities of the terminal is sent to circuit switching (CS) domain network side, so that CS domain network sides select switching flow when carrying out single wireless video call continuity switching vSRVCC according to the SCUDIF abilities of the terminal.
The embodiment of the present invention provides a kind of terminal, including first processing module and the first sending module：The first processing module is used to change to be added to unrestricted digital information falling SCUDIF abilities by the business of terminal to be sent in the message of packet switch P S domains network entity；
The message that first sending module is used for the SCUDIF abilities by the terminal is carried is sent to circuit switching (CS) domain network side by ps domain network entity, so that CS domain network sides are exhaled in progress single wireless video
Continuity is made to select switching flow according to the SCUDIF abilities of the terminal when switching.
The embodiment of the present invention also provides a kind of ps domain network entity, including the second receiving module and the second sending module：
The business that second receiving module is used to receive carried terminal changes the message for falling SCUDIF abilities after rise with unrestricted digital information；
Second sending module is used to the message of the SCUDIF abilities of the carried terminal being sent to circuit switching (CS) domain network side, so that CS domain network sides select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal.
The embodiment of the present invention also provides a kind of mobile switching center server MSC Server, including the 3rd receiving module and the 3rd processing module：
The business that 3rd receiving module is used to receive carried terminal by being grouped ps domain network entity changes the message for falling SCUDIF abilities after rise with unrestricted digital information；
3rd processing module is used to select switching flow according to the SCUDIF abilities of the terminal when carrying out the switching of single wireless video call continuity.
The embodiment of the present invention also provides a kind of service switchover system, including terminal and ps domain network entity：The terminal is used to send the business change for carrying the terminal and unrestricted digital information falls the message of SCUDIF abilities after rise；
The ps domain network entity is used for the message for receiving the SCUDIF abilities of the carrying terminal, and the message for the SCUDIF abilities that will carry the terminal is sent to circuit switching (CS) domain network side, so that CS domains net
Network side selects switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal.
The SCUDIF abilities of terminal itself are passed to CS domain network sides by the embodiment of the present invention using terminal by ps domain network entity network, CS domain network sides are follow-up can to select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal, long, the problem of Consumer's Experience is poor so as to solve time delay in prior art handoff procedure.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of business switch method embodiment one of the present invention；
Fig. 2 is the flow chart of business switch method embodiment two of the present invention；
Fig. 3 is the flow chart of business switch method embodiment three of the present invention；
Fig. 4 is the flow chart of business switch method example IV of the present invention；
Fig. 5 is the flow chart of business switch method embodiment five of the present invention；
Fig. 6 is the flow chart of business switch method embodiment six of the present invention；
Figure is the structural representation of terminal embodiment of the present invention；
Fig. 8 is the structural representation of ps domain network entity embodiment of the present invention；
Fig. 9 is the structural representation of MSC Server embodiments of the present invention；
Figure 10 is the structural representation of service switchover system embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
Change according to business and unrestricted digital information falls after rise（Servi ce Change and UDI Fa l l back, SCUDIF) existing mechanism, consult the SCUDIF abilities of both sides between terminal and network side by SETUP message.Do not have the process that terminal sends SETUP in vSRVCC mechanism, and SCUDIF abilities are the abilities of mobile phone hardware, user, which changes SCUDIF abilities after mobile phone, to be changed, and does not have the SCUDIF abilities of approach understanding terminal in existing vSRVCC mechanism lower network side.
The SCUDIF abilities of terminal itself are passed to CS domain network sides by the embodiment of the present invention using terminal by ps domain network entity network, CS domain network sides are follow-up can to select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal, long, the problem of Consumer's Experience is poor so as to solve time delay in prior art handoff procedure.
SCUDIF abilities can include following parameter：
RI parameters indicate whether that support business changes and falls (suppor t of serv i ce change and fa l l back) after rise；
BCl indicates multimedia（It is often referred to voice+video）Bearing capacity；
In addition, multimedia described below, unless specifically stated otherwise, generally all referring to voice+video.
BC2 indicates the bearing capacity of voice；
ENICM indicates whether to support to change in enhanced network-originated call（Enhanced Network-initiated ICM).
Fig. 1 is a kind of schematic flow sheet for business switch method that the embodiment of the present invention one is provided, as shown in figure 1, the present embodiment business switch method may comprise steps of：
Step 101, ps domain network entity receive the message of the SCUDIF abilities of carried terminal；
Wherein whether terminal supports SCUDIF, such as whether terminal supports business to change and fall after rise（Support of service change and fallback), or terminal whether support in enhanced network-originated call change（Enhanced Network-initiated I CM), it is a kind of GL that terminal is accessed in PS.When terminal is adhered in PS accesses（Attach) ask or be tracked area's renewal（Tracking area update, TAU) request when, " the i ty of UE Core Network Capabi 1 " can be carried, wherein containing " MS Network Capability " this terminal network ability parameter.The embodiment of the present invention can use the SCUDIF abilities of the carried terminal in " MS Network Capability " parameter.Carried i.e. in " MS Network Capability " parameter and indicate whether that support business changes and fallen after rise（Support of service change and fal lback) RI parameters, the BC1 parameters for indicating multimedia bearing capacity can also optionally be carried, either carry the BC2 parameters for the bearing capacity for indicating voice or carry and indicate whether to support enhanced net Lip river to initiate to change in calling（Enhanced Network-initiated I CM)
EN I CM parameters.
The message of the SCUDIF abilities of carried terminal is sent to CS domain network sides by step 102, ps domain network entity, so that CS domain network sides select switching flow when carrying out the switching of single wireless video call continuity according to the SCUD I F abilities of the terminal.
Specifically, ps domain network entity is obtained after the SCUDIF abilities of terminal, the SCUD I F abilities of terminal can be passed to by CS domain network sides by Sv interfaces.
More specifically, ps domain network entity can include mobile management entity（Mob i le Management Ent i ty, MME) or Serving GPRS Support Node（ Serving GPRS Suppor t Node , SGSN ).MME or SGSN is obtained after the SCUD I F abilities of terminal, the SCUD I F abilities of terminal can be passed to the Mobile Switching Center Server (Mobi le Swi tching Center Server, MSC Server) of CS domain network sides by S v interfaces.Follow-up MSC Server just the blunt different SCUDIF abilities according to terminal can select different vSRVCC switching flows.
Terminal itself SCUDIF abilities are passed to CS domain network sides by the embodiment of the present invention using terminal by ps domain network entity, CS domain network sides are follow-up can to select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal, long, the problem of Consumer's Experience is poor so as to solve time delay in prior art handoff procedure.
Fig. 2 is a kind of schematic flow sheet for business switch method that the embodiment of the present invention two is provided, and terminal passes through attachment（A U a ch) ask to report the flow of SCUD I F abilities as follows：
The SCUDIF abilities of terminal are passed to eNodeB by step 201, terminal in Attach Request message;
The SCUDIF abilities of terminal are passed to MME by step 202, eNodeB in Attach Request message;The SCUDIF GLs of terminal are passed to MSC Server by step 203, beautiful E by the interface between MSC Server, and MSC Server are follow-up can to select switching flow when carrying out the switching of single wireless video call continuity according to the SCUD I F abilities of the terminal.
Terminal itself SCUDIF abilities are passed to CS domain network sides by the embodiment of the present invention in Attach Request message using terminal by ps domain network entity, CS domain network sides are follow-up can to select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal, long, the problem of Consumer's Experience is poor so as to solve time delay in prior art handoff procedure.
Fig. 3 is a kind of schematic flow sheet for business switch method that the embodiment of the present invention three is provided, and terminal reports the flow of SCUDIF abilities as follows by tracing section updating (t racking area upda te, TAU) request:The S C U D I F abilities of terminal are passed to eNodeB by step 301, terminal in tracing section updating request message;
Step 302, eNodeB pass to the SCUDIF abilities of terminal in tracing section updating request message
MME;
The SCUDIF abilities of terminal are passed to MSC Server by step 303, MME by the interface between MSC Server, and MSC Server are follow-up can to select switching flow when carrying out the switching of single wireless video call continuity according to the S CUD I F abilities of the terminal.
Terminal itself SCUDIF abilities are passed to CS domain network sides by the embodiment of the present invention in tracing section updating request message using terminal by ps domain network entity, and CS domain network sides are follow-up to carry out single wireless video
Call continuity can select switching flow when switching according to the SCUDIF abilities of the terminal, so that it is long to solve time delay in prior art handoff procedure, the problem of Consumer's Experience is poor.
Fig. 4 is a kind of schematic flow sheet for business switch method that the embodiment of the present invention four is provided, as shown in figure 4, the present embodiment business switch method is in addition to the step 101 in including embodiment one and 102, can also include step：
403rd, ps domain network entity receives the SCUD I F abilities of CS domains network entity；
Specifically, MSC Server pass to the SCUDIF abilities of itself by the interface between beautiful E
MME。
404th, the SCUD I F abilities of CS domains network entity are sent to terminal by ps domain network entity.
Specifically, MSC Server SCUDIF abilities are sent to terminal by MME.
More specifically, the beautiful E of ps domain network entity can set up in the Context Setup Reques t of request Ini t ia 1 the SCUDIF abilities for carrying MSC Server in initial context, i.e., carried in Ini t i a l Context Setup Reques t and indicate whether that support business changes and fallen after rise（Suppor t of servi ce change and fa l lback) RI parameters, the BC1 parameters for indicating multimedia bearing capacity can also optionally be carried, either carry the BC2 parameters for the bearing capacity for indicating voice or carry and indicate whether to support to change in enhanced network-originated call（Enhanced Network-ini t ia ted I CM) EN I CM parameters.
The embodiment of the present invention is using the exchange for carrying out SCUDIF abilities between terminal and MSC Server by ps domain network entity, CS domain network sides are follow-up can to select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal, so as to solve time delay ratio in prior art handoff procedure
It is longer, the problem of Consumer's Experience is poor.
CS domain network sides can select suitable switching flow according to the SCUD I F abilities of terminal, if terminal and MSC Server support SCUDIF, as shown in Figure 5.
Fig. 5 is a kind of schematic flow sheet for business switch method that the embodiment of the present invention five is provided.First carry out single wireless voice calling continuity（Single Radio Voice Call Continuity, SRVCC) process, the step 501 to 505 in below figure.After the completion of SRVCC processes, voice call can be carried out, but video calling is temporarily obstructed.Subsequent terminal carries out ^ loading capability changes by sending MODIFY message, is then H.245 consulted between terminal and MSC Server, after the completion of H.245 consulting, and MSC Server indicate to update remote leg.Referring specifically to following step：
501st, during the multimedia call of IMS domain is carried out, terminal UE accesses PS networks by the Universal Terrestrial wireless access network (Evolved Universal Terrestrial Radio Access Network, E-UTRAN) of evolution.
502nd, E- UTRAN indicate to carry out vSRVCC switchings to MSC Server.
503rd, the voice SRVCC processes of standard.Detailed process is no longer described in detail.
504th, remote leg is updated.
505th, both call sides carry out voice call.
506th, terminal carries out business change using SCUDIF mechanism, specifically, terminal to MSC Server send MODIFY message by bearing capacity by speech modification into multimedia, subsequently, H.245 consulted in multimedia carrying.
507th, MSC Server after H.245 consulting are completed to indicate to service set and continuous application server (Service Centralization and Continuity Application Server, SCC AS).
508th, SCC AS are updated the process of remote leg.
509th, SCC AS carry out response to the instruction message of step 507.
510th, during Multimedia session is carried out.
CS domain network sides can select suitable switching flow according to the SCUD I F abilities of terminal, if one of terminal and MSC Server do not support SCUDIF, or do not support SCUDIF, that is to say, that at least one terminal and MSC Server do not support SCUDIF, then as shown in Figure 6.
Fig. 6 is a kind of schematic flow sheet for business switch method that the embodiment of the present invention six is provided, if terminal only supports speech bearer capability, carries out normal voice SRVCC processes.
If terminal supports multimedia bearer capability, then carry out the handoff procedure that video plus speech switches simultaneously, purpose CS networks are switched to according to multimedia bearer capability, are H.245 consulted subsequently between terminal and MSC Server, Multimedia session connection is completed.Referring specifically to following step：
601st, during the multimedia call of IMS domain is carried out, terminal UE accesses PS networks by E-UTRAN.
602nd, E- UTRAN indicate to carry out vSRVCC switchings to MSC Server.
603rd, SRVCC processes, switching is not voice bearer, but multimedia（Voice+video）Carrying.
604th, remote leg is updated.
Although the 605, establishing multimedia carrying, because H.245 consulting to have not been completed, voice
It is all obstructed with video.
606th, H.245 consulted between terminal and MSC Server.
607th, MSC Server after H.245 consulting are completed to indicate to SCC AS.
608th, SCC AS are updated the process of remote leg.
609th, SCC AS carry out response to the instruction message of step 607.
610th, during Multimedia session is carried out.
Fig. 7 is the structural representation of terminal embodiment of the present invention, as shown in fig. 7, the terminal of the present embodiment includes：The sending module 12 of first processing module 11 and first.The first processing module 11 is used to the SCUDIF abilities of terminal being added to be sent in the message of ps domain network entity, wherein whether terminal supports SCUDIF, such as whether terminal supports business to change and fall (support of service change and fallback) after rise, or whether terminal is supported to change in enhanced network-originated call（Enhanced Network-initiated I CM), it is a kind of GL that terminal is accessed in PS.When terminal is adhered in PS accesses（Attach) ask or be tracked area's renewal（Tracking area update, TAU) request when, " UE Core Network Capability " can be carried, wherein containing " MS Network Capability " this terminal network ability parameter.First processing module 11 can use the SCUDIF abilities of the carried terminal in " MS Network Capability " parameter in the embodiment of the present invention.Carried i.e. in " MS Network Capability " parameter and indicate whether that support business changes and fallen after rise（Support of service change and fallback) RI parameters, the BC1 parameters for indicating multimedia bearing capacity can also optionally be carried, either carry the BC2 parameters for the bearing capacity for indicating voice or carry and indicate whether to support enhanced network to send out
Rise in calling and change（Enhanced Network-ini t i a ted I CM) EN I CM parameters.
First sending module 12 is used to the message of the SCUDIF abilities of carried terminal being sent to CS domain network sides by ps domain network entity, so that CS domain network sides select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal.
Wherein ps domain network entity can specifically include MME or SGSN.The network entity of CS domain network sides can include MSC Server.
The workflow and operation principle of modules and unit will not be repeated here referring to the description in above-mentioned each method embodiment in above-described embodiment.
The SCUD I F abilities of terminal are added to by the embodiment of the present invention using the first processing module 11 of terminal to be sent in the message of P S domains network entity, the message of the SCUD I F abilities of carried terminal is sent to CS domain network sides by the first sending module 12 by ps domain network entity, so that CS domain network sides select suitable switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of terminal, long, the problem of Consumer's Experience is poor so as to solve time delay in prior art handoff procedure.
Fig. 8 is the structural representation of ps domain network entity embodiment of the present invention, as shown in figure 8, the ps domain network entity of the present embodiment includes：Second receiving module 21 and the second sending module 22.Second receiving module 21 is used for the message for receiving the SCUDIF abilities of carried terminal, wherein whether terminal supports SCUDIF, such as whether terminal supports business to change and fall (suppor t of servi ce change and fa l lback) after rise, or whether terminal is supported to change in enhanced network-originated call（Enhanced Network-ini t ia ted I CM), it is a kind of GL that terminal is accessed in PS.When terminal is adhered in PS accesses（At tach )
Ask or be tracked area's renewal（Tracking area update, TAU) request when, " UE Core Network Capability " can be carried, wherein containing " MS Network Capability " this terminal network ability parameter.The embodiment of the present invention can use the SCUDIF abilities of the carried terminal in " MS Network Capability " parameter.Carried i.e. in " MS Network Capability " parameter and indicate whether that support business changes and fallen after rise the RI parameters of (support of service change and fallback), the BC1 parameters for indicating multimedia bearing capacity can also optionally be carried, either carry the BC2 parameters for the bearing capacity for indicating voice or carry and indicate whether to support the EN I CM parameters that (Enhanced Network-initiated I CM) is changed in enhanced network-originated call.
Second sending module 22 is used to the message of the SCUDIF abilities of carried terminal being sent to CS domain network sides, so that CS domain network sides select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal.
Second receiving module 21 is additionally operable to receive the SCUDIF abilities of CS domains network entity；Second sending module 22 is additionally operable to set up by initial context asks the SCUDIF abilities for carrying CS domains network entity in Initial Context Setup Request to be sent to the terminal clearly.
Wherein ps domain network entity can specifically include MME or SGSN.The network entity of CS domain network sides can include MSC Server.
The workflow and operation principle of modules and unit will not be repeated here referring to the description in above-mentioned each method embodiment in above-described embodiment.
The embodiment of the present invention receives carried terminal using the second receiving module 21 of ps domain network entity
The message of SCUD I F abilities, the message of the SCUD I F abilities of carried terminal is sent to C S domain network sides by the second sending module 22, so that CS domain network sides select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal, long, the problem of Consumer's Experience is poor so as to solve time delay in prior art handoff procedure.
Fig. 9 is the structural representation of mobile switching center server MSC Server embodiments of the present invention, and as shown in Fig. 9, the mobile switching center server MSC Server of the present embodiment includes：3rd receiving module 31 and the 3rd processing module 32.
The business that 3rd receiving module 31 is used to receive carried terminal by being grouped ps domain network entity changes the message for falling SCUD I F abilities after rise with unrestricted digital information；
3rd processing module 32 is used to select switching flow according to the SCUDIF abilities of the terminal when carrying out the switching of single wireless video call continuity.
3rd processing module 32 is used to select switching flow to include according to the SCUDIF abilities of the terminal when carrying out the switching of single wireless video call continuity：
If terminal and MSC Server support SCUDIF, then first carry out single wireless voice calling continuity SRVCC processes, then the terminal to the MSC Server send MODIFY message by bearing capacity by speech modification into multimedia, in multimedia carrying carrying out H. 245 consults；Or
If terminal and MSC Server at least one do not support SCUDIF, if terminal supports multimedia bearer capability, purpose CS networks then are switched to according to multimedia bearer capability, H. 245 is then carried out between terminal and MSC Server consults, and completes Multimedia session connection.
The workflow and operation principle of modules and unit will not be repeated here referring to the description in above-mentioned each method embodiment in above-described embodiment.
The business that the embodiment of the present invention receives carried terminal by being grouped ps domain network entity using the 3rd receiving module 31 changes the message for falling SCUDIF abilities after rise with unrestricted digital information；3rd processing module 32 selects switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal, so that it is long to solve time delay in prior art handoff procedure, the problem of Consumer's Experience is poor.
Figure 10 is the structural representation of service switchover system one embodiment of the present invention, and as shown in Figure 10, the service switchover system of the present embodiment includes：Terminal 1 and ps domain network entity 2.Wherein terminal 1 is used for the message for sending the SCUDIF abilities for carrying the terminal；Ps domain network entity 2 is used for the message for receiving the SCUDIF abilities of carried terminal, and the message of the SCUDIF abilities of carried terminal is sent to CS domain network sides, so that CS domain network sides select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal.PS network entities are additionally operable to receive the SCUDIF abilities of CS domains network entity, are then set up by initial context and ask the SCUDIF abilities for carrying CS domains network entity in Ini t ia l Context Se tup Reques t to be sent to the terminal clearly.
CS domain network sides include mobile switching center server MSC Server, and the CS domain network sides select switching flow to include when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal：
If terminal and MSC Server support SCUDIF, single wireless voice calling continuity SRVCC processes are first carried out, then the terminal sends MODIFY message by bearing capacity to the MSC Server
By speech modification into multimedia, progress H. 245 consults in multimedia carrying；Or
If terminal and MSC Server at least one do not support SCUDIF, if terminal supports multimedia bearer capability, purpose CS networks then are switched to according to multimedia bearer capability, H. 245 is then carried out between terminal and MSC Server consults, and completes Multimedia session connection.
The workflow and operation principle of said system embodiment modules and unit will not be repeated here referring to the description in above-mentioned each method embodiment.
In said system embodiment, itself SCUDIF ability is passed to CS domain network sides by terminal by ps domain network entity, CS domain network sides are follow-up can to select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal, long, the problem of Consumer's Experience is poor so as to solve time delay in prior art handoff procedure.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can be completed by the related hardware of programmed instruction, and foregoing program can be stored in a computer read/write memory medium, and the program upon execution, performs the step of including above method embodiment；And foregoing storage medium includes：R0M, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1st, a kind of business switch method, it is characterised in that including：
The business that packet switched ps domain network entity receives carried terminal changes the message for falling SCUD IF abilities after rise with unrestricted digital information；
The message that ps domain network entity will carry the SCUDIF abilities of the terminal is sent to circuit switching (CS) domain network side, so that CS domain network sides select switching flow when carrying out single wireless video call continuity switching vSRVCC according to the SCUDIF abilities of the terminal.
2nd, according to the method described in claim 1, it is characterized in that, when terminal is when PS accesses carry out attachment Attach requests or are tracked area's renewal TAU requests, the SCUDIF abilities of the terminal are carried in terminal network ability " MS Network Capability " parameter.
3rd, the method according to claim 1 or 2, it is characterized in that, the SCUDIF abilities of the terminal include indicating whether that support business changes and fallen after rise support of service change and fallback RI parameters, optionally also carry the BC1 parameters for indicating multimedia bearing capacity, either carry the BC2 parameters for the bearing capacity for indicating voice or carry and indicate whether to support to change in enhanced network-originated call（Enhanced Network-initiated ICM) ENICM parameters.
4th, the method according to claim 1 or 2, it is characterized in that, methods described also includes the SCUDIF abilities that PS network entities receive CS domains network entity, and the SCUDIF abilities for asking to carry CS domains network entity in Initial Context Setup Request are then set up by initial context and are sent to the terminal.
5th, method according to claim 1 or 2, it is characterised in that CS domain network sides include movement
Switching centre server MSC Server, MSC Server select switching flow to include in vSRVCC according to the SCUDIF abilities of terminal：
If terminal and MSC Server support SCUDIF, then first carry out single wireless voice calling continuity SRVCC processes, then the terminal to the MSC Server send MODIFY message by bearing capacity by speech modification into multimedia, in multimedia carrying carrying out H. 245 consults；Or
If terminal and MSC Server at least one do not support SCUDIF, if terminal supports multimedia bearer capability, purpose CS networks then are switched to according to multimedia bearer capability, H. 245 is then carried out between terminal and MSC Server consults, and completes Multimedia session connection.
6th, a kind of terminal, it is characterised in that including first processing module and the first sending module：The first processing module is used to change to be added to unrestricted digital information falling SCUDIF abilities by the business of terminal to be sent in the message of packet switch P S domains network entity；
The message that first sending module is used for the SCUDIF abilities by the terminal is carried is sent to circuit switching (CS) domain network side by ps domain network entity, so that CS domain network sides select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal.
7th, terminal as claimed in claim 6, it is characterized in that, the first processing module is used for terminal when PS access progress attachment At tach ask or are tracked area and update TAU requests, and the SCUDIF abilities of the terminal are carried in terminal network ability " MS Network Capabi l i ty " parameter.
8th, a kind of packet switched ps domain network entity, it is characterised in that including：Second receiving module and the second sending module：
The business that second receiving module is used to receive carried terminal changes and unrestricted digital information falling
The message of SCUDIF abilities；
Second sending module is used to the message of the SCUDIF abilities of the carried terminal being sent to circuit switching (CS) domain network side, so that CS domain network sides select switching flow when carrying out the switching of single wireless video call continuity according to the SCUDIF abilities of the terminal.
9th, PS network entities as claimed in claim 8, it is characterised in that second receiving module is additionally operable to receive the SCUDIF abilities of CS domains network entity；Second sending module is additionally operable to be sent to the terminal by carrying the SCUDIF abilities of CS domains network entity in initial context foundation request Ini t ia l Context Setup Reques t.
10th, ps domain network entity as claimed in claim 8, it is characterised in that the ps domain network entity includes mobile management entity MME or Serving GPRS Support Node SGSN.
11st, a kind of mobile switching center server MSC Server, it is characterised in that including the 3rd receiving module and the 3rd processing module：
The business that 3rd receiving module is used to receive carried terminal by being grouped ps domain network entity changes the message for falling SCUDIF abilities after rise with unrestricted digital information；
3rd processing module is used to select switching flow according to the SCUDIF abilities of the terminal when carrying out the switching of single wireless video call continuity.
12nd, MSC Server as claimed in claim 11, it is characterised in that the 3rd processing module is used to be selected according to the SCUDIF abilities of the terminal when carrying out the switching of single wireless video call continuity
Switching flow includes：
If terminal and MSC Server support SCUDIF, then first carry out single wireless voice calling continuity SRVCC processes, then the terminal to the MSC Server send MODIFY message by bearing capacity by speech modification into multimedia, in multimedia carrying carrying out H. 245 consults；Or
If terminal and MSC Server at least one do not support SCUDIF, if terminal supports multimedia bearer capability, purpose CS networks then are switched to according to multimedia bearer capability, H. 245 is then carried out between terminal and MSC Server consults, and completes Multimedia session connection.
13rd, a kind of service switchover system, it is characterised in that including：Terminal and packet switched ps domain network entity：
The terminal is used to send the business change for carrying the terminal and unrestricted digital information falls the message of SCUDIF abilities after rise；
The ps domain network entity is used for the message for receiving the SCUDIF abilities for carrying the terminal, and the message for the SCUDIF abilities that will carry the terminal is sent to circuit switching (CS) domain network side, so that CS domain network sides are being carried out when single wireless video call continuity switches according to the SCUDIF abilities of terminal selection switching flow.
14th, system as claimed in claim 13, it is characterized in that, the PS network entities are additionally operable to receive the SCUDIF abilities of CS domains network entity, and the SCUDIF abilities for asking to carry CS domains network entity in Ini t ia l Context Setup Reques t are then set up by initial context and are sent to the terminal.
15th, the system as described in claim 13 or 14, it is characterized in that, CS domain network sides include mobile switching center server MSC Server, the MSC Server and select switching flow to include according to the SCUDIF abilities of the terminal when carrying out the switching of single wireless video call continuity：
If terminal and MSC Server support SCUDIF, then first carry out single wireless voice calling continuity SRVCC processes, then the terminal to the MSC Server send MODIFY message by bearing capacity by speech modification into multimedia, in multimedia carrying carrying out H. 245 consults；Or
If terminal and MSC Server at least one do not support SCUDIF, if terminal supports multimedia bearer capability, purpose CS networks then are switched to according to multimedia bearer capability, H. 245 is then carried out between terminal and MSC Server consults, and completes Multimedia session connection.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2010/080635 WO2012088717A1 (en) | 2010-12-31 | 2010-12-31 | Service transfer method, device and system |
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| CN102714828A true CN102714828A (en) | 2012-10-03 |
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| CN2010800052237A Pending CN102714828A (en) | 2010-12-31 | 2010-12-31 | Service transfer method, device and system |
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| CN (1) | CN102714828A (en) |
| WO (1) | WO2012088717A1 (en) |
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| WO2012088717A1 (en) | 2012-07-05 |
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