CN103200383B - Realize the methods, devices and systems of high definition visual telephone service - Google Patents
Realize the methods, devices and systems of high definition visual telephone service Download PDFInfo
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- CN103200383B CN103200383B CN201210001228.3A CN201210001228A CN103200383B CN 103200383 B CN103200383 B CN 103200383B CN 201210001228 A CN201210001228 A CN 201210001228A CN 103200383 B CN103200383 B CN 103200383B
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Abstract
The invention discloses the methods, devices and systems of high definition visual telephone service in a kind of LTE of realization double-standby terminal: called two call requests for the treatment of that videophone AS reception calling terminal is initiated that called LTE double-standby terminal is corresponding; If determine that called LTE double-standby terminal registers in IMS territory, and this calls out as video call, and the access network of called LTE double-standby terminal is LTE network, utilizes IMS territory to carry this calling. Apply scheme of the present invention, can expand the scope of application of LTE double-standby terminal.
Description
Technical field
The present invention relates to the communication technology, particularly one realizes Long Term Evolution (LTE, LongTermEvolution) methods, devices and systems of high definition visual telephone service in double-standby terminal.
Background technology
At present, for the mono-terminal for the treatment of of LTE, can realize based on IP Multimedia System (IMS,IPMultimediaSubsystem) high definition visual telephone service, but for LTE double-standby terminal,Can't realize high definition visual telephone service.
The mono-main distinction for the treatment of terminal and LTE double-standby terminal of LTE is, at one time, LTE is mono-Treat that terminal can only standby under a network, LTE double-standby terminal can be treated simultaneously under two networksMachine, therefore, the service needed on LTE double-standby terminal is considered the problems such as complicated intercommunication scene.
Owing to can not realizing high definition visual telephone service, limit the scope of application of LTE double-standby terminal.
Summary of the invention
In view of this, the invention provides the side of high definition visual telephone service in a kind of LTE of realization double-standby terminalMethod, device and system, can expand the scope of application of LTE double-standby terminal.
For achieving the above object, technical scheme of the present invention is achieved in that
A method that realizes high definition visual telephone service in LTE double-standby terminal, comprising:
Called two video telephony applications server A S reception calling terminals for the treatment of that called LTE double-standby terminal is correspondingThe call request of initiating;
If determine that described called LTE double-standby terminal registers in IMS territory, and this is called out and exhales for videoCry, and the access network of described called LTE double-standby terminal is LTE network, utilizes IMS territory to carry thisInferior calling.
Treat videophone AS, comprising for a kind of pair:
Receiver module, for receiving, called LTE double-standby terminal that calling terminal serves for self initiatesCall request;
Processing module, for registering in IMS territory when determining described called LTE double-standby terminal, and thisInferior calling is video call, and the access network of described called LTE double-standby terminal is while being LTE network, utilizesIMS carries in territory this calling.
A system that realizes high definition visual telephone service in LTE double-standby terminal, comprising: calling terminal, quiltBe LTE double-standby terminal, and called two videophone AS that treat corresponding to described called LTE double-standby terminal;
Described calling terminal, for treating the videophone AS requests of making a call to described called pair;
Described called two videophone AS that treat, the call request of initiating for receiving described calling terminal, ifDetermine that described called LTE double-standby terminal registers in IMS territory, and this calls out as video call, and instituteThe access network of stating called LTE double-standby terminal is LTE network, utilizes IMS territory to carry this calling;
Described called LTE double-standby terminal, for completing this calling in IMS territory.
Visible, adopt technical scheme of the present invention, can treat that videophone AS realizes LTE pair and treats by twoHigh definition visual telephone service in terminal, thus the scope of application of LTE double-standby terminal expanded.
Brief description of the drawings
Fig. 1 is the flow process that the present invention realizes the embodiment of the method for high definition visual telephone service in LTE double-standby terminalFigure.
Fig. 2 is that the called AS of the present invention often receives call request handling process schematic diagram afterwards.
Fig. 3 is that the called AS of the present invention often receives a call request another handling process schematic diagram afterwards.
Fig. 4 is the business scenario implementation procedure schematic diagram of scheme of the present invention once.
Fig. 5 is the implementation procedure schematic diagram of two times schemes of the present invention of business scenario.
Fig. 6 is the implementation procedure schematic diagram of three times schemes of the present invention of business scenario.
Fig. 7 is the two composition structural representations for the treatment of videophone AS embodiment of the present invention.
Fig. 8 is the composition that the present invention realizes the system embodiment of high definition visual telephone service in LTE double-standby terminalStructural representation.
Detailed description of the invention
Fig. 1 is the stream that the present invention realizes the embodiment of the method for high definition visual telephone service in LTE double-standby terminalCheng Tu. As shown in Figure 1, comprising:
Step 11: corresponding called two of called LTE double-standby terminal treat video telephony applications server (AS,ApplicationServer) receive the call request that calling terminal is initiated.
Step 12: if determine that called LTE double-standby terminal registers in IMS territory, and this callingFor video call, and the access network of called LTE double-standby terminal is LTE network, utilizes IMS territoryCarry this calling.
For convenience of describing, in following embodiment, all treat that by called pair videophone AS is referred to as called AS.
Called AS is deployed in network side, has territory selection function, can be according to the called LTE determiningWhether double-standby terminal is registered in IMS territory, and the type of call of this calling (exhale by video call and voiceCry), and the access network information of called LTE double-standby terminal etc. is selected by IMS territory or CSThis calling is carried in territory.
Only have and ought in IMS territory, register by definite called LTE double-standby terminal, and this is called out as videoCall out, and the access network of called LTE double-standby terminal is while being LTE network, just can utilize IMS territoryCarry this and call out, thereby realize high definition visual telephone service.
Correspondingly, if determine and one of meet the following conditions or any combination, utilize circuit switching (CS,CircuitSwitch) this calling is carried in territory: called LTE double-standby terminal is not registered in IMS territory; ThisInferior calling is audio call; The access network of called LTE double-standby terminal is not LTE network.
No matter be to utilize IMS territory to carry this to call out, still utilize CS territory to carry this and call out, afterContinuous how processing is prior art.
Above-mentioned calling terminal is generally LTE double-standby terminal or IMS video terminal etc.
If calling terminal is time-division (TD, TimeDivision) terminal, so when it calls out called LTE pairIn the time of terminal, no matter be video call or audio call, all utilize CS territory to carry.
Fig. 2 is that the called AS of the present invention often receives call request handling process schematic diagram afterwards. SupposeCalling terminal is IMS video terminal, as shown in Figure 2, comprising:
Step 21: called AS receives the call request that calling terminal is initiated, invites (INVITE) to disappearAfter breath, determine whether called LTE double-standby terminal is registered in IMS territory, if so, performs step 22,Otherwise, utilize CS territory to carry this calling.
In actual applications, called AS can be by inquiry home subscriber server (HSS, HomeSubscriberServer) it is two that/attaching position register (HLR, HomeLocationRegister) obtains called LTETreat the login state of terminal, to determine whether it registers in IMS territory, if so, performs step 22,Otherwise, if called LTE double-standby terminal is attached to CS territory, utilize CS territory to carry this calling.
If called LTE double-standby terminal is attached to CS territory, called AS can deliver to WMG by this callingControl functional entity (MGCF, MediaGatewayControlFunction) and go out IMS network, and,For this is called out to breakout to CS territory, the called LTE that need to carry in call request is two to be treated endBefore end number, add front slotting code, i.e. routing number (RN, RouteNumber), the concrete function of RN is thisField is known.
Step 22: called AS determines whether this calling is video call, if so, performs step 23,Otherwise, utilize CS territory to carry this calling.
Whether this calling of called AS how to confirm is that video call is prior art.
Step 23: called AS obtains the access network information of called LTE double-standby terminal, determines called LTEWhether the access network of double-standby terminal is LTE network, if so, utilize IMS territory to carry this and call out,Otherwise, utilize CS territory to carry this calling.
Equally, called AS can obtain by inquiry HSS/HLR the access network of called LTE double-standby terminalInformation.
As shown in Figure 2, not only, in step 21, in other each step, when utilizing CS territory, needs carry thisWhen inferior calling, before adding before the called LTE double-standby terminal number that all need to carry, insert code in call requestRN。
It should be noted that, in actual applications, likely AS of the present invention and one number service AS can be closedIf in this case, when called AS receives after call request, its handling process will be shown with Fig. 2Institute is different.
Fig. 3 is that the called AS of the present invention often receives a call request another handling process schematic diagram afterwards.Suppose that calling terminal is IMS video terminal, as shown in Figure 3, comprising:
Step 31: called AS receives after the call request of calling terminal initiation, determines that called LTE pair is treatedThe terminal one number service of whether having contracted, if so, carries out one number service, according to signing type,CSC or the same associated numbers of shaking, otherwise, process according to flow process shown in Fig. 2.
Step 32: called AS determines whether called LTE double-standby terminal is registered in IMS territory, if so,Perform step 33, otherwise, utilize CS territory to carry this calling.
In this step, in the time that needs utilize CS territory to carry this calling, except needs are taken in call requestBefore the called LTE double-standby terminal number of band, add outside front slotting code RN, also need in call request, carryBefore calling terminal number, add prefix Prefix (i.e. Pre shown in figure), to avoid that this is called out to breakoutTo CS territory, Service Control Point of intelligent network (SCP, ServiceControlPoint) is again by its grapplingGo back to IMS territory and process, thereby form endless loop.
Step 33: called AS determines whether this calling is video call, if so, performs step 34,Otherwise, utilize CS territory to carry this calling.
Step 34: called AS obtains the access network information of called LTE double-standby terminal, determines called LTEWhether the access network of double-standby terminal is LTE network, if so, utilize IMS territory to carry this and call out,Otherwise, utilize CS territory to carry this calling.
As shown in Figure 3, not only, in step 32, in other each step, when utilizing CS territory, needs carry thisWhen inferior calling, before the calling terminal number that all need to carry, add prefix Prefix in call request.
Below in conjunction with concrete business scenario, scheme of the present invention is further described.
Fig. 4 is the business scenario implementation procedure schematic diagram of scheme of the present invention once. Suppose the master under this sceneBeing terminal is LTE double-standby terminal, initiation be video call, terminal called is also LTE double-standby terminal.
As shown in Figure 4, before making a call, LTE double-standby terminal need to first be initiated register flow path, existsIMS registers in territory, how to be registered as prior art, afterwards, initiates video call from IMS territory.
Called AS receives after the video call of caller LTE double-standby terminal initiation, to HSS/HLR inquiry quiltBe the login state of LTE double-standby terminal, if called LTE double-standby terminal in IMS territory, register, profitCarry this with IMS territory and call out, route to the LTE mould of called LTE double-standby terminal by video call,If called LTE double-standby terminal is attached to CS territory, utilizes CS territory to carry this and call out, by videoCall out by Video Interworking Gateway (VIG, VideoInterworkingGateway) and route to called LTE pairTreat the TD mould of terminal.
In addition, as shown in Figure 4, if terminal called is TD terminal, utilizes CS territory to carry this and exhaleCry, video call is routed to TD terminal by VIG.
If terminal called is IMS video terminal, utilize IMS territory to carry this and call out, video is exhaledBe called IMSAS and routed to IMS video terminal.
Fig. 5 is the implementation procedure schematic diagram of two times schemes of the present invention of business scenario. Suppose the master under this sceneBeing terminal is IMS video terminal (as IMS hard terminal or pc client), initiation be video call, quiltBeing terminal is LTE double-standby terminal.
As shown in Figure 5, called AS receives after the video call of initiating IMS video terminal, to HSS/HLRInquire about the login state of called LTE double-standby terminal, if registered in IMS territory, utilize IMS territoryCarry this and call out, if be attached to CS territory, utilize CS territory to carry this calling.
Fig. 6 is the implementation procedure schematic diagram of three times schemes of the present invention of business scenario. Suppose the master under this sceneBeing terminal is TD terminal (as TD mobile phone), initiation be video call, to be that LTE is two treats end terminal calledEnd.
As shown in Figure 6, TD terminal is initiated after video call, because HLR cannot know that called LTE pair is treatedThe login state of terminal, therefore can only land at TD, can only utilize CS territory to carry this calling.
It should be noted that, for simplifying statement, shown in Fig. 4～6, in scene, all omitted and determined that called LTE is twoWhether the access network for the treatment of terminal is the step of LTE network.
Based on above-mentioned introduction, Fig. 7 is the two composition structural representations for the treatment of videophone AS embodiment of the present invention.As shown in Figure 7, comprising:
Receiver module, for receiving, called LTE double-standby terminal that calling terminal serves for self initiatesCall request;
Processing module, for registering in IMS territory when determining called LTE double-standby terminal, and this is exhaledCry as video call, and the access network of called LTE double-standby terminal is while being LTE network, utilizes IMS territoryCarry this calling.
Wherein, processing module can be further used for, if determine and one of meet the following conditions or any combination,Utilize CS territory to carry this calling: called LTE double-standby terminal is not registered in IMS territory; This callingFor audio call; The access network of called LTE double-standby terminal is not LTE network.
Calling terminal can be LTE double-standby terminal or IMS video terminal etc.;
Correspondingly, processing module also can be further used for, and need to utilize CS territory to carry this calling when determiningTime, before adding before the called LTE double-standby terminal number carrying, insert code RN in call request.
In actual applications, AS shown in Fig. 7 can be deployed in network side.
Fig. 8 is the composition that the present invention realizes the system embodiment of high definition visual telephone service in LTE double-standby terminalStructural representation. As shown in Figure 8, comprising: calling terminal, called LTE double-standby terminal, and called LTECalled two videophone AS that treat that double-standby terminal is corresponding;
Calling terminal, for treating the videophone AS requests of making a call to called pair;
Called two videophone AS that treats, the call request of initiating for receiving calling terminal, if determine calledLTE double-standby terminal is registered in IMS territory, and this calls out as video call, and called LTE is two treats endThe access network of end is LTE network, utilizes IMS territory to carry this calling;
Called LTE double-standby terminal, for completing this calling in IMS territory.
Wherein, calledly two treat that videophone AS can be further used for, if determine one of meet the following conditions orAny combination, utilizes CS territory to carry this calling: called LTE double-standby terminal is not noted in IMS territoryVolume; This is called out as audio call; The access network of called LTE double-standby terminal is not LTE network.
Calling terminal can be LTE double-standby terminal or IMS video terminal; Correspondingly, called two videophone for the treatment ofAS also can be further used for, in the time determining that need to utilize CS territory to carry this calls out, in call requestBefore the called LTE double-standby terminal number carrying, add front slotting code RN.
The specific works flow process of Fig. 7～8 shown device and system embodiment please refer in preceding method embodimentRespective description repeats no more herein.
In a word, adopt scheme of the present invention, can in LTE double-standby terminal, realize high definition visual telephone service,Thereby expanded the scope of application of LTE double-standby terminal, and scheme of the present invention is applicable to various terminalsAnd business intercommunication between diverse network; Have, scheme of the present invention implements simple and convenient, is convenient to againPopularize and promote.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, not all in the present inventionSpirit and principle within, any amendment of making, be equal to replacement, improvement etc., all should be included in the present inventionWithin the scope of protection.
Claims (12)
1. a method that realizes high definition visual telephone service in Long Term Evolution LTE double-standby terminal, is characterized in that, comprising:
Called two call requests for the treatment of that video telephony applications server A S reception calling terminal is initiated that called LTE double-standby terminal is corresponding;
If determine that described called LTE double-standby terminal registers in IP Multimedia System IMS territory, and this calls out as video call, and the access network of described called LTE double-standby terminal is LTE network, utilizes IMS territory to carry this calling;
Wherein, if described called two treat that videophone AS and one number service AS close and be located at together with, described called two treat that videophone AS receives described call request after, further comprise:
Determine the described called LTE double-standby terminal one number service of whether having contracted, if so, according to signing type, CSC or with shaking associated numbers.
2. method according to claim 1, is characterized in that, the method further comprises:
If determine and one of meet the following conditions or any combination, utilize circuit switching (CS) territory to carry this calling:
Described called LTE double-standby terminal is not registered in IMS territory;
This is called out as audio call;
The access network of described called LTE double-standby terminal is not LTE network.
3. method according to claim 2, is characterized in that, described calling terminal is LTE double-standby terminal or IMS video terminal;
In the time determining that need to utilize CS territory to carry this calls out, the method further comprises: before adding before the called LTE double-standby terminal number carrying in described call request, insert code RN.
4. method according to claim 2, is characterized in that, the method further comprises:
The one number service if described called LTE double-standby terminal has been contracted,, in the time determining that need to utilize CS territory to carry this calls out, adds prefix Prefix before the calling terminal number of carrying in described call request.
5. according to the method described in claim 1,2,3 or 4, it is characterized in that, the method further comprises:
If time-division TD terminal to the described called LTE double-standby terminal request of making a call, utilizes CS territory to carry this calling as calling terminal.
6. two treat a video telephony applications server A S, it is characterized in that, comprising:
Receiver module, the call request of initiating for receiving called Long Term Evolution LTE double-standby terminal that calling terminal serves for self;
Processing module, for registering in IP Multimedia System IMS territory when determining described called LTE double-standby terminal, and this calls out as video call, and the access network of described called LTE double-standby terminal is while being LTE network, utilizes IMS territory to carry this calling;
Described processing module is further used for, if described two treat that videophone AS and one number service AS close and be located at together with, after described receiver module receives described call request, determine the described called LTE double-standby terminal one number service of whether having contracted, if, according to signing type, CSC or with shaking associated numbers.
7. AS according to claim 6, it is characterized in that, described processing module is further used for, if determine and one of meet the following conditions or any combination, utilizes circuit switching (CS) territory to carry this calling: described called LTE double-standby terminal is not registered in IMS territory; This is called out as audio call; The access network of described called LTE double-standby terminal is not LTE network.
8. AS according to claim 7, is characterized in that, described calling terminal is LTE double-standby terminal or IMS video terminal;
Described processing module is further used for, and in the time determining that need to utilize CS territory to carry this calls out, inserts code RN in described call request before the called LTE double-standby terminal number carrying before adding.
9. according to the AS described in claim 6,7 or 8, it is characterized in that, described AS is deployed in network side.
10. a system that realizes high definition visual telephone service in Long Term Evolution LTE double-standby terminal, is characterized in that, comprising: calling terminal, called LTE double-standby terminal, and called two video telephony applications server A S that treat corresponding to described called LTE double-standby terminal;
Described calling terminal, for treating the videophone AS requests of making a call to described called pair;
Described called two videophone AS that treat, the call request of initiating for receiving described calling terminal, if determine described called LTE double-standby terminal registers in IP Multimedia System IMS territory, and this is called out as video call, and the access network of described called LTE double-standby terminal is LTE network, utilize IMS territory to carry this calling;
Described called LTE double-standby terminal, for completing this calling in IMS territory;
Wherein, if described called two treat that videophone AS and one number service AS close and be located at together with, treat that videophone AS is further used for for described called pair, after receiving described call request, determine the described called LTE double-standby terminal one number service of whether having contracted, if so, according to signing type, CSC or the same associated numbers of shaking.
11. systems according to claim 10, it is characterized in that, describedly calledly two treat that videophone AS is further used for, if determine and one of meet the following conditions or any combination, utilize circuit switching (CS) territory to carry this calling: described called LTE double-standby terminal is not registered in IMS territory; This is called out as audio call; The access network of described called LTE double-standby terminal is not LTE network.
12. systems according to claim 11, is characterized in that, described calling terminal is LTE double-standby terminal or IMS video terminal;
Treat that videophone AS is further used for for described called pair, in the time determining that need to utilize CS territory to carry this calls out, before adding before the called LTE double-standby terminal number carrying, insert a code RN in described call request.
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| CN105472774B (en) * | 2015-09-25 | 2018-12-07 | 努比亚技术有限公司 | User equipment, wireless communications method and terminal |
| CN105516635B (en) * | 2015-10-28 | 2018-12-21 | 努比亚技术有限公司 | Video call system, device and method |
| CN111131741B (en) * | 2019-12-13 | 2021-08-13 | 中移（杭州）信息技术有限公司 | Multi-party video call method, electronic equipment, device and computer readable storage medium |
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