CN103200383A - Method, device and system capable of achieving high-definition videophone services - Google Patents
Method, device and system capable of achieving high-definition videophone services Download PDFInfo
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- CN103200383A CN103200383A CN2012100012283A CN201210001228A CN103200383A CN 103200383 A CN103200383 A CN 103200383A CN 2012100012283 A CN2012100012283 A CN 2012100012283A CN 201210001228 A CN201210001228 A CN 201210001228A CN 103200383 A CN103200383 A CN 103200383A
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Abstract
The invention discloses a method, a device and a system capable of achieving high-definition videophone services in a long term evolution (LTE) dual standby terminal: calling requirements initiated by a calling terminal are received by a called dual standby video phone AS which corresponds with a called LTE dual standby terminal; if the LTE dual standby terminal is confirmed to be enrolled in an IP multimedia subsystem (IMS) domain, and the call is a video call, and the access network of the LTE dual standby terminal is an LTE network, and the IMS domain is used for bearing the call. The scheme is applied, and the application range of the LTE dual standby terminal can be enlarged.
Description
Technical field
The present invention relates to the communication technology, particularly the methods, devices and systems of high definition visual telephone service in a kind of realization Long Term Evolution (LTE, Long Term Evolution) double-standby terminal.
Background technology
At present, singly treat terminal for LTE, can realize the high definition visual telephone service based on IP Multimedia System (IMS, IP Multimedia Subsystem), but for the LTE double-standby terminal, then can't realize the high definition visual telephone service.
LTE treats that singly the main distinction of terminal and LTE double-standby terminal is, at one time, LTE treats that singly terminal can only standby under a network, and the LTE double-standby terminal is standby under two networks simultaneously then, therefore, the service needed on the LTE double-standby terminal is considered complicated problems such as intercommunication scene.
Owing to can not realize the 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 methods, devices and systems of high definition visual telephone service in a kind of LTE of realization double-standby terminal, can enlarge 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 kind of method that realizes high definition visual telephone service in the LTE double-standby terminal comprises:
Called two video telephony applications server A S that treat of called LTE double-standby terminal correspondence receive the call request that calling terminal is initiated;
In the IMS territory, register if determine described called LTE double-standby terminal, and this calls out and be video call, and the access network of described called LTE double-standby terminal is the LTE network, then utilizes the IMS territory to carry this calling.
Treat video telephone AS, comprising for a kind of pair:
Receiver module be used for to receive the call request that called LTE double-standby terminal that calling terminal serves at self is initiated;
Processing module is used for registering in the IMS territory when determining described called LTE double-standby terminal, and this calls out and be video call, and the access network of described called LTE double-standby terminal utilizes the IMS territory to carry this calling when being the LTE network.
A kind of system that realizes high definition visual telephone service in the LTE double-standby terminal comprises: calling terminal, called LTE double-standby terminal, and called two video telephone AS that treat of described called LTE double-standby terminal correspondence;
Described calling terminal is used for to described called two video telephone AS requests of making a call for the treatment of;
Described called two video telephone AS that treat, be used for receiving the call request that described calling terminal is initiated, if determining described called LTE double-standby terminal registers in the IMS territory, and this is called out and is video call, and the access network of described called LTE double-standby terminal is the LTE network, then utilizes the IMS territory to carry this calling;
Described called LTE double-standby terminal is used for finishing this calling in the IMS territory.
As seen, adopt technical scheme of the present invention, can realize the high definition visual telephone service in the LTE double-standby terminal by two video telephone AS that treat, thereby enlarge the scope of application of LTE double-standby terminal.
Description of drawings
Fig. 1 realizes the flow chart of the method embodiment of high definition visual telephone service in the LTE double-standby terminal for the present invention.
Fig. 2 whenever receives call request handling process schematic diagram afterwards for the called AS of the present invention.
Fig. 3 whenever receives a call request another handling process schematic diagram afterwards for the called AS of the present invention.
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 video telephone AS embodiment of the present invention.
Fig. 8 realizes the composition structural representation of the system embodiment of high definition visual telephone service in the LTE double-standby terminal for the present invention.
Embodiment
Fig. 1 realizes the flow chart of the method embodiment of high definition visual telephone service in the LTE double-standby terminal for the present invention.As shown in Figure 1, comprising:
Step 11: called two video telephony applications servers (AS, Application Server) for the treatment of of called LTE double-standby terminal correspondence receive the call request that calling terminal is initiated.
Step 12: in the IMS territory, register if determine called LTE double-standby terminal, and this calls out and be video call, and the access network of called LTE double-standby terminal is the LTE network, then utilizes the IMS territory to carry this calling.
Be convenient and describe, below all will called pair among each embodiment treat that video telephone AS abbreviates called AS as.
Called AS is deployed in network side, has the territory selection function, can whether in the IMS territory, register according to the called LTE double-standby terminal of determining, the type of call of this calling (video call and audio call), and the access network information of called LTE double-standby terminal waits to select to carry this calling by IMS territory or CS territory.
Have only when determining that called LTE double-standby terminal registers in the IMS territory, and this calls out and be video call, and the access network of called LTE double-standby terminal just can utilize the IMS territory to carry this calling, thereby realize the high definition visual telephone service when being the LTE network.
Correspondingly, if one of determine to meet the following conditions or combination in any, then utilize circuit switching (CS, Circuit Switch) territory to carry this calling: called LTE double-standby terminal is not registered in the IMS territory; This is called out and is audio call; The access network of called LTE double-standby terminal is not the LTE network.
No matter be to utilize the IMS territory to carry this calling, still utilize the CS territory to carry this calling, follow-up how the 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, Time Division) terminal, when it calls out called LTE double-standby terminal, no matter be video call or audio call so, all utilize the CS territory to carry.
Fig. 2 whenever receives call request handling process schematic diagram afterwards for the called AS of the present invention.Suppose that calling terminal is the IMS video terminal, as shown in Figure 2, comprising:
Step 21: called AS receives the call request that calling terminal is initiated, and namely after invitation (INVITE) message, determines whether called LTE double-standby terminal is registered in the IMS territory, if then execution in step 22, otherwise, utilize the CS territory to carry this calling.
In actual applications, called AS can be by inquiry home subscriber server (HSS, Home Subscriber Server)/attaching position register (HLR, Home Location Register) obtain the login state of called LTE double-standby terminal, whether in the IMS territory, register to determine it, if, then execution in step 22, otherwise, if namely called LTE double-standby terminal is attached to the CS territory, then utilize the CS territory to carry this calling.
If called LTE double-standby terminal is attached to the CS territory, called AS can deliver to this calling MGCF entity (MGCF, Media Gateway Control Function) goes out the IMS network, and, for this being called out break out to CS territory, insert sign indicating number before adding before the called LTE double-standby terminal number that need in call request, carry, i.e. routing number (RN, Route Number), the concrete function of RN is known in this field.
Step 22: called AS determines whether this calling is video call, if then execution in step 23, otherwise, utilize the CS territory to carry this calling.
How called AS determines whether this calling is that video call is prior art.
Step 23: called AS obtains the access network information of called LTE double-standby terminal, determines whether the access network of called LTE double-standby terminal is the LTE network, if, then utilize the IMS territory to carry this calling, otherwise, utilize the CS territory to carry this calling.
Equally, called AS can obtain the access network information of called LTE double-standby terminal by inquiry HSS/HLR.
As shown in Figure 2, not only in the step 21, in other each step, when needs utilize the CS territory to carry this calling, insert a sign indicating number RN before adding before the called LTE double-standby terminal number that all need in call request, carry.
Need to prove that in actual applications, AS of the present invention and one number service AS might be closed and establish, in this case, after called AS received call request, its handling process will be with shown in Figure 2 different.
Fig. 3 whenever receives a call request another handling process schematic diagram afterwards for the called AS of the present invention.Suppose that calling terminal is the IMS video terminal, as shown in Figure 3, comprising:
Step 31: after called AS receives the call request that calling terminal initiates, determine the called LTE double-standby terminal one number service of whether having contracted, if, then carry out one number service, namely according to signing type, CSC or the associated numbers of shaking together, otherwise, handle according to flow process shown in Figure 2.
Step 32: called AS determines whether called LTE double-standby terminal is registered in the IMS territory, if then execution in step 33, otherwise, utilize the CS territory to carry this calling.
In this step, when needs utilize the CS territory to carry this calling, insert before before the called LTE double-standby terminal number that need in call request, carry, adding the sign indicating number RN, also add prefix Prefix (i.e. Pre shown in the figure) before the calling terminal number that need in call request, carry, to avoid after this calling break out to CS territory, Service Control Point of intelligent network (SCP, Service Control Point) goes back to its grappling to the IMS territory again and handles, thereby forms endless loop.
Step 33: called AS determines whether this calling is video call, if then execution in step 34, otherwise, utilize the CS territory to carry this calling.
Step 34: called AS obtains the access network information of called LTE double-standby terminal, determines whether the access network of called LTE double-standby terminal is the LTE network, if, then utilize the IMS territory to carry this calling, otherwise, utilize the CS territory to carry this calling.
As shown in Figure 3, not only in the step 32, in other each step, when needs utilize the CS territory to carry this calling, all add prefix Prefix before the calling terminal number that need in call request, carry.
Below in conjunction with concrete business scenario, scheme of the present invention is further specified.
Fig. 4 is the business scenario implementation procedure schematic diagram of scheme of the present invention once.Suppose that the calling terminal under this scene is the LTE double-standby terminal, initiation be video call, terminal called also is the LTE double-standby terminal.
As shown in Figure 4, before making a call, the LTE double-standby terminal needs to initiate earlier register flow path, namely registers in the IMS territory, how to be registered as prior art, afterwards, initiates video call from the IMS territory.
After called AS receives the video call of caller LTE double-standby terminal initiation, inquire about the login state of called LTE double-standby terminal to HSS/HLR, if called LTE double-standby terminal is registered in the IMS territory, then utilize the IMS territory to carry this calling, be about to the LTE mould that video call routes to called LTE double-standby terminal, if called LTE double-standby terminal is attached to the CS territory, then utilize the CS territory to carry this calling, be about to video call routes to called LTE double-standby terminal by Video Interworking Gateway (VIG, Video Interworking Gateway) TD mould.
In addition, as shown in Figure 4, if terminal called is the TD terminal, then utilize the CS territory to carry this calling, video call is routed to the TD terminal by VIG.
If terminal called is the IMS video terminal, then utilize the IMS territory to carry this calling, video call is routed to the IMS video terminal by IMS AS.
Fig. 5 is the implementation procedure schematic diagram of two times schemes of the present invention of business scenario.Suppose that the calling terminal under this scene is IMS video terminal (as IMS hard terminal or pc client), initiation be video call, terminal called is the LTE double-standby terminal.
As shown in Figure 5, after called AS receives the video call of initiating the IMS video terminal, inquire about the login state of called LTE double-standby terminal to HSS/HLR, if in the IMS territory, register, then utilize the IMS territory to carry this calling, if be attached to the CS territory, then utilize the 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 that the calling terminal under this scene is TD terminal (as the TD mobile phone), initiation be video call, terminal called is the LTE double-standby terminal.
As shown in Figure 6, after the TD terminal is initiated video call, because HLR can't know the login state of called LTE double-standby terminal, therefore can only land at TD, namely can only utilize the CS territory to carry this calling.
Need to prove, for simplifying statement, all omitted in the scene shown in Fig. 4～6 and determined whether the access network of called LTE double-standby terminal is the step of LTE network.
Based on above-mentioned introduction, Fig. 7 is the two composition structural representations for the treatment of video telephone AS embodiment of the present invention.As shown in Figure 7, comprising:
Receiver module be used for to receive the call request that called LTE double-standby terminal that calling terminal serves at self is initiated;
Processing module is used for registering in the IMS territory when determining called LTE double-standby terminal, and this calls out and be video call, and the access network of called LTE double-standby terminal utilizes the IMS territory to carry this calling when being the LTE network.
Wherein, processing module can be further used for, if one of determine to meet the following conditions or combination in any, then utilize the CS territory to carry this calling: called LTE double-standby terminal is not registered in the IMS territory; This is called out and is audio call; The access network of called LTE double-standby terminal is not the 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 when determining that need utilize the CS territory to carry this calls out, inserts sign indicating number RN before adding before the called LTE double-standby terminal number that carries in call request.
In actual applications, AS shown in Figure 7 can be deployed in network side.
Fig. 8 realizes the composition structural representation of the system embodiment of high definition visual telephone service in the LTE double-standby terminal for the present invention.As shown in Figure 8, comprising: calling terminal, called LTE double-standby terminal, and called two video telephone AS that treat of called LTE double-standby terminal correspondence;
Calling terminal is used for to called two video telephone AS requests of making a call for the treatment of;
Called two video telephone AS that treats, be used for receiving the call request that calling terminal is initiated, in the IMS territory, register if determine called LTE double-standby terminal, and this calling is video call, and the access network of called LTE double-standby terminal is the LTE network, then utilizes the IMS territory to carry this calling;
Called LTE double-standby terminal is used for finishing this calling in the IMS territory.
Wherein, calledly two treat that video telephone AS can be further used for, if one of determine to meet the following conditions or combination in any, then utilize the CS territory to carry this calling: called LTE double-standby terminal is not registered in the IMS territory; This is called out and is audio call; The access network of called LTE double-standby terminal is not the LTE network.
Calling terminal can be LTE double-standby terminal or IMS video terminal; Correspondingly, treat that video telephone AS also can be further used for for called pair, when determining that need utilize the CS territory to carry this calls out, a slotting sign indicating number RN before adding before the called LTE double-standby terminal number that in call request, carries.
The concrete workflow of Fig. 7～8 shown devices and system embodiment please refer to the respective description among the preceding method embodiment, repeats no more herein.
In a word, adopt scheme of the present invention, can in the LTE double-standby terminal, realize the high definition visual telephone service, thereby enlarged the scope of application of LTE double-standby terminal, and scheme of the present invention is applicable to the business intercommunication between various terminals and the diverse network; Have, scheme of the present invention implements simple and convenient again, is convenient to popularize and promote.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (13)
1. a method that realizes high definition visual telephone service in the Long Term Evolution LTE double-standby terminal is characterized in that, comprising:
Called two video telephony applications server A S that treat of called LTE double-standby terminal correspondence receive the call request that calling terminal is initiated;
In IP Multimedia System IMS territory, register if determine described called LTE double-standby terminal, and this calls out and be video call, and the access network of described called LTE double-standby terminal is the LTE network, then utilizes the IMS territory to carry this calling.
2. method according to claim 1 is characterized in that, this method further comprises:
If one of determine to meet the following conditions or combination in any, then utilize the circuit switching (CS) territory to carry this calling:
Described called LTE double-standby terminal is not registered in the IMS territory;
This is called out and is audio call;
The access network of described called LTE double-standby terminal is not the LTE network.
3. method according to claim 2 is characterized in that, described calling terminal is LTE double-standby terminal or IMS video terminal;
When determining that need utilize the CS territory to carry this calls out, this method further comprises: insert sign indicating number RN before adding before the called LTE double-standby terminal number that carries in described call request.
4. method according to claim 2 is characterized in that, if describedly calledly two treat that video telephone AS and one number service AS close and be located at together, then describedly calledly twoly treats that video telephone AS receives after the described call request, further comprises:
Determine the described called LTE double-standby terminal one number service of whether having contracted, if, then according to signing type, CSC or with shaking associated numbers.
5. method according to claim 4 is characterized in that, this method further comprises:
The one number service if described called LTE double-standby terminal has been contracted then when determining that need utilize the CS territory to carry this calls out, adds prefix Prefix before the calling terminal number of carrying in described call request.
6. according to claim 1,2,3,4 or 5 described methods, it is characterized in that this method further comprises:
If time-division TD terminal to the described called LTE double-standby terminal request of making a call, then utilizes the CS territory to carry this calling as calling terminal.
7. treat video telephony applications server A S for one kind pair, it is characterized in that, comprising:
Receiver module be used for to receive the call request that called Long Term Evolution LTE double-standby terminal that calling terminal serves at self is initiated;
Processing module is used for registering in IP Multimedia System IMS territory when determining described called LTE double-standby terminal, and this calls out and be video call, and the access network of described called LTE double-standby terminal utilizes the IMS territory to carry this calling when being the LTE network.
8. AS according to claim 7, it is characterized in that, described processing module is further used for, if one of determine to meet the following conditions or combination in any, then utilize the circuit switching (CS) territory to carry this calling: described called LTE double-standby terminal is not registered in the IMS territory; This is called out and is audio call; The access network of described called LTE double-standby terminal is not the LTE network.
9. AS according to claim 8 is characterized in that, described calling terminal is LTE double-standby terminal or IMS video terminal;
Described processing module is further used for, and when determining that need utilize the CS territory to carry this calls out, inserts sign indicating number RN before adding before the called LTE double-standby terminal number that carries in described call request.
10. according to claim 7,8 or 9 described AS, it is characterized in that described AS is deployed in network side.
11. a system that realizes high definition visual telephone service in the 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 of described called LTE double-standby terminal correspondence;
Described calling terminal is used for to described called two video telephone AS requests of making a call for the treatment of;
Described called two video telephone AS that treat, be used for receiving the call request that described calling terminal is initiated, if determining described called LTE double-standby terminal registers in IP Multimedia System IMS territory, and this is called out and is video call, and the access network of described called LTE double-standby terminal is the LTE network, then utilizes the IMS territory to carry this calling;
Described called LTE double-standby terminal is used for finishing this calling in the IMS territory.
12. system according to claim 11, it is characterized in that, describedly calledly two treat that video telephone AS is further used for, if one of determine to meet the following conditions or combination in any, then utilize the circuit switching (CS) territory to carry this calling: described called LTE double-standby terminal is not registered in the IMS territory; This is called out and is audio call; The access network of described called LTE double-standby terminal is not the LTE network.
13., it is characterized in that described calling terminal is LTE double-standby terminal or IMS video terminal according to claim 11 or 12 described systems;
Treat that video telephone AS is further used for for described called pair, when determining that need utilize the CS territory to carry this calls out, a slotting sign indicating number RN before adding before the called LTE double-standby terminal number that in described call request, carries.
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| CN201210001228.3A CN103200383B (en) | 2012-01-04 | 2012-01-04 | Realize the methods, devices and systems of high definition visual telephone service |
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| CN201210001228.3A CN103200383B (en) | 2012-01-04 | 2012-01-04 | Realize the methods, devices and systems of high definition visual telephone service |
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| CN103200383B (en) | 2016-05-25 |
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