CN101291519B - Method, system and apparatus for providing mode selection to multi-mode terminal - Google Patents
Method, system and apparatus for providing mode selection to multi-mode terminal Download PDFInfo
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- CN101291519B CN101291519B CN2007100937870A CN200710093787A CN101291519B CN 101291519 B CN101291519 B CN 101291519B CN 2007100937870 A CN2007100937870 A CN 2007100937870A CN 200710093787 A CN200710093787 A CN 200710093787A CN 101291519 B CN101291519 B CN 101291519B
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Abstract
The invention discloses a method, a system and a device for providing the selection of an access mode of a multimode terminal in order to ensure that a route decision-making entity can be indicated to perform the call connection in a selected access mode after the route decision-making entity selects the access mode according to certain strategy. The method comprises the following steps that: when a terminal establishes the register link, the current access mode type and the resource name binding the current access mode type are informed to the network side; the network side ensures that the access mode type informed by the terminal is related to a global route user agent universal resource identifier (GRUU) distributed for the terminal according to the resource name; and when the call connection is performed to the called, the route decision-making entity of the network side selects the access mode and performs the call connection through the GRUU route executive entity corresponding to the selected access mode type.
Description
Technical field
The present invention relates to the communications field, particularly be related to the method, system and device that multimode terminal provides access module to select.
Background technology
IMS is an IP Multimedia System in the WCDMA network of 3GPP R5/R6 standard definition, is that the 3G mobile network is realized packet voice and grouped data, and the unified multimedia service and the objective network of application are provided.IMS adopts the bearer path of IP packet domain as its control messages and media delivery, adopts Session Initiation Protocol as call control message.In IMS, the user contracting data of IMS concentrates among the HSS to be managed, and business is provided by the application server AS unification, session control is finished by S-CSCF, both separate on network configuration fully, and business is toggled to AS by S-CSCF and handles, but collaborative work between a plurality of AS.The user inserts IMS by current location agent node P-CSCF, session and professional control are then finished by the home domain service node of its registered place, therefore the user can obtain same service at diverse access point, has realized that three that service management, session control and carrying insert separates and provides with the business of access and location independent.
Owing to can support the appearance of multiple access module terminal, user's multimode terminal can be registered in the network simultaneously by a plurality of input fields, and Zhu Ce user ID can be identical or has certain association (sign do not have related handle identical with single-mode terminal) simultaneously.Here the multimode terminal of mentioning includes but not limited to the multimode terminal of WCDMA, the multimode terminal of CDMA2000 or the mobile multimode terminal of other standards.The user can initiate or receipt of call at arbitrary log-on field, even initiates or receipt of call in a plurality of territories simultaneously.
Carrying out when called for multimode terminal, which kind of Access Network of network selecting continues, and this is called out, and also is the problem that 3GPP is studying.The solution of 3GPP proposition at present is to increase an entity that is called DSF (Domain Selection Function) in the IMS network.When it receives the calling that need be routed to multimode terminal, can carry out the access domain selection decision-making according to various factorss such as carrier policy, user preferences, endpoint registration states, and selected input field be arrived in call proceeding according to the result of decision.When DSF was chosen in CS territory replay call, DSF returned CS territory access code to S-CSCF and continues to the CS territory with indicating call; When DSF was chosen in IMS territory replay call, DSF returns IMPU from the user to S-CSCF continued in the IMS territory with indicating call.
In sum, the inventor finds in the invention process, has multiple access module under a certain input field, does when called but prior art can not solve multimode terminal, and how network carries out the problem that access module is selected and indicating call continues.Be the routing decision entity according to certain policy selection access module after, can't be corresponding the indication route carry out entity and carry out call proceeding with selected access module.
In the prior art, carrying out when called, for the situation of multiple terminals share I MPU, give a plurality of UE in order to prevent the SIPREQUEST bifurcated, IETF and 3GPP have introduced this notion of GRUU.GRUU is that the resource name Instance_id by IMPU and UE combines.Wherein Instance_id is the id (promptly a terminal has only an Instance_id) that is used for identifying UE Instance, and so GRUU can identify a UE.Even IMPU is shared by a plurality of UE, still can guarantee GRUU sip message is sent on the UE of unique appointment as REQUEST URI.
Along with the appearance of the multimode terminal of supporting multiple access module, the different access module types of same multimode terminal are regarded as the different application example of this multimode terminal.There are a plurality of Access Network modules in the multimode terminal, so the different access modules of a multimode terminal have corresponding Instance_id respectively in the embodiment of the invention, i.e. instance_id and access module type binding.
Above-mentioned current access module type can be carried on that (P-Access-Network-Info is a header field in the Session Initiation Protocol, can be used for carrying Access Network information and customer position information in the P-Access-Network-Info header field of registration message.), to inform network side.
S2, network side are this terminal distribution GRUU according to this resource name.
The instance_id that described GRUU is informed by IMS public user identity IMPU and terminal combines.
The access module type that S3, network side are informed terminal is related with the GRUU of distribution.
S4, to called call proceeding the time, the routing decision entity selection access module of network side.
It is one of following that the corresponding strategies of described routing decision entity selection access module comprises at least: the composition in carrier policy, both caller preferences information, access network capability, access network state, media categories, the media categories, the attribute information of each composition in the media categories.
Before routing decision entity selection access module, also can comprise: the routing decision entity judges whether there are at least two kinds of medium compositions in the call session message, if, then whether the further selection of routing decision entity splits into Media Stream (each Media Stream that further can select whether will split out splits into up Media Stream and downlink media stream) with this call session message by the medium composition, if, then corresponding each Media Stream is selected access module respectively, and carries out entity this Media Stream that continues with the GRUU indication route of selected access module correspondence respectively; Otherwise, the access module of direct selective call conversation message, and carry out entity with the GRUU indication route of selected access module correspondence and carry out call proceeding.Reference example 2.
The routing decision entity of S5, network side is carried out entity with the GRUU indication route of selected access module type correspondence and is carried out call proceeding.
Be specially the routing decision entity and carrying out the GRUU that carries in the Indication message that entity issues with selected access module type association to route; Route is carried out entity and is connected according to the GRUU location registration of carrying in the described Indication message, and carries out call proceeding based on this registration connection.
The embodiment of the invention also provides a kind of routing decision entity, and referring to shown in Figure 2, it comprises: associative cell, access module selected cell and indicating member; Further comprise: determining unit and split cells.
Associative cell, the access module type and the route that are used for multimode terminal is informed are carried out the GRUU that entity distributes, the two association.
Determining unit is used for having at least two kinds of medium compositions in the call session message determining to receive, and when determining that further this call session message split into Media Stream by the medium composition, sends triggering signal.
Split cells is used for when receiving the triggering signal that determining unit is sent described call session message being split into Media Stream by the medium composition; And inform that corresponding each Media Stream of access module selected cell selects access module respectively.
The access module selected cell is used to select access module.
Indicating member is used for obtaining the selected pairing GRUU of access module type of access module selected cell from associative cell, and carries out entity with this GRUU indication route and carry out call proceeding.
The embodiment of the invention also provides a kind of multimode terminal, and referring to shown in Figure 3, it comprises: recognition unit and adding device.
Recognition unit is used to discern this multimode terminal and sets up the access module type of registering when connecting.
Adding device, the resource name that is used for the current access module type of this multimode terminal that described recognition unit is identified and has bound current access module type adds the registration message that is sent to network side to.
A kind of system that provides access module to select for multimode terminal also is provided the embodiment of the invention, and comprising: multimode terminal, route are carried out entity and routing decision entity.
Multimode terminal when being used for setting up the registration connection, is informed network side with current access module type and the resource name of having bound current access module type.
Route is carried out entity, is used for setting up in terminal serving as registrar when registration connects, and is this multimode terminal distribution GRUU according to the described resource name that multimode terminal is informed, and be used to carry out call proceeding.This route is for example carried out entity: S-CSCF.
The routing decision entity, the access module type and the route that are used for multimode terminal is informed are carried out the GRUU that entity distributes for this multimode terminal according to described resource name, the two association; And the selection access module, and carry out entity with the GRUU indication route of selected access module type correspondence and carry out call proceeding.This routing decision entity is specially the network element of preserving the corresponding strategies of selecting access module, for example: AS, HSS etc.
Below specifically describe by 2 embodiment.
Summary of the invention
A kind of method, system and device that provide access module to select for multimode terminal are provided the embodiment of the invention so that the routing decision entity according to certain policy selection access module after, can indicate route to carry out entity and carry out call proceeding with selected access module.
The embodiment of the invention provides another kind of method and the device that the access module selection is provided for multimode terminal, make after the network side decision splits into Media Stream with the arrival session by different medium compositions, different media flows can be routed to multimode terminal by different access modules.
The method of the embodiment of the invention comprises: terminal is informed network side with current access module type and the resource name of having bound current access module type when setting up the registration connection; Access module type and the overall routable user proxy unified resource identification symbol GRUU that according to this resource name is this terminal distribution, the two association that network side is informed terminal; And to called call proceeding the time, the routing decision entity selection access module of network side, and carry out entity with the GRUU indication route of selected access module type correspondence and carry out call proceeding.
The routing decision entity of the embodiment of the invention comprises: associative cell, and the access module type and the route that are used for multimode terminal is informed are carried out the overall routable user proxy unified resource identification symbol GRUU that entity distributes, the two association; The access module selected cell is used to select access module; Indicating member is used for obtaining from associative cell the GRUU of the selected access module type correspondence of access module selected cell, and carries out entity with this GRUU indication route and carry out call proceeding.
The multimode terminal of the embodiment of the invention, comprise: recognition unit, be used to discern this multimode terminal and set up the access module type of registering when connecting, also comprise: adding device, the resource name that is used for the current access module type of this multimode terminal that described recognition unit is identified and has bound current access module type adds the registration message that is sent to network side to;
Described current access module type is used for related with the overall routable user proxy unified resource identification symbol GRUU that according to described resource name is described multimode terminal distribution by described network side;
The routing decision entity of wherein said network side is selected access module to called call proceeding the time, and indicates the route execution entity of described network side to carry out call proceeding with the GRUU of selected access module type correspondence.
The system of the embodiment of the invention comprises: multimode terminal, when being used for setting up the registration connection, current access module type and the resource name of having bound current access module type are informed network side; Route is carried out entity, be used for setting up serving as registrar when registration connects in terminal, and the described resource name of informing according to multimode terminal overall routable user proxy unified resource identification accords with GRUU for this multimode terminal distributes, and be used to carry out call proceeding; The routing decision entity, the access module type and the route that are used for multimode terminal is informed are carried out the GRUU that entity distributes for this multimode terminal according to described resource name, the two association; And the selection access module, and carry out entity with the GRUU indication route of selected access module type correspondence and carry out call proceeding.
The another kind of the embodiment of the invention is the method that multimode terminal provides access module to select, and comprises the following steps: that terminal setting up registration when connecting, informs network side with the identification information of current access network type; To called call proceeding the time, the routing decision entity of network side splits into Media Stream with call session message by the medium composition, and corresponding each Media Stream selects access module respectively, and carries out entity this Media Stream that continues with selected access module corresponding identification information indication route respectively.
The another kind of routing decision entity of the embodiment of the invention comprises: preserve the unit, be used to preserve terminal at the identification information of setting up the current access network type of informing when registration connects; Split cells is used for call session message is split into Media Stream by the medium composition, and split result is sent; The access module selected cell is used for the split result sent according to split cells, and corresponding each Media Stream is selected access module respectively; Indicating member is used for obtaining the access module selected cell respectively and being the selected pairing identification information of access module type of each Media Stream from preserving the unit, and with this identification information indication route execution entity this Media Stream that continues.
In the embodiment of the invention, terminal is when setting up the registration connection, current access module type and the resource name of having bound current access module type are informed network side, access module type and the overall routable user proxy unified resource identification symbol GRUU that according to this resource name is this terminal distribution, the two association that network side is informed terminal; Afterwards the time to called call proceeding, the routing decision entity selection access module of network side, and carry out entity with the GRUU indication route of selected access module type correspondence and carry out call proceeding.
Therefore the binding by resource name and current access module type, distribute GRUU according to this resource name, and it is current access module type is related with this GRUU, the operation that these are a series of, behind the final realization routing decision entity selection access module, can indicate route to carry out entity and carry out call proceeding with selected access module.
The embodiment of the invention can continue with the most suitable Access Network at Media Stream, thereby improves network transmission efficiency, improves user's business impression.
Description of drawings
Fig. 1 is the method step flow chart of the embodiment of the invention;
Fig. 2 is the routing decision entity structure schematic diagram of the embodiment of the invention;
Fig. 3 is the multimode terminal structural representation of the embodiment of the invention;
Fig. 4 is the signaling process figure of the embodiment of the invention one;
Fig. 5 is the signaling process figure of the embodiment of the invention two;
Fig. 6 is the another kind of routing decision entity structure schematic diagram of the embodiment of the invention;
Fig. 7 is the signaling process figure of the embodiment of the invention three.
Embodiment
After making the routing decision entity, can indicate route to carry out entity and carry out call proceeding with selected access module according to certain policy selection access module.
A kind of method that provides access module to select for multimode terminal is provided the embodiment of the invention, referring to shown in Figure 1, comprises the following steps:
S1, terminal are informed network side with current access module type and the resource name of having bound current access module type when setting up the registration connection.
Embodiment one, terminal are informed network side with current access module type with the instance_id that has bound current access module type when setting up the registration connection; The access module type that network side is informed terminal is related with the GRUU of distribution; Application server determines to exist in the call session message a kind of medium composition, need not to carry out the fractionation of medium composition; To called call proceeding the time, the routing decision entity is selected access module at this call session message afterwards; Last routing decision entity is carried out entity with the GRUU indication route of selected access module type correspondence and is carried out call proceeding.Referring to shown in Figure 4, comprise the following steps:
1: multimode terminal inserts the IMS network from WLAN, initiates register requirement REGISTER, and adding+sip.instance parameter in the contact of this register requirement header field, the content of this parameter are to have bound the instance id_1 of the multimode terminal of WLAN access module.Simultaneously, in the P-Access-Network-Info of this register requirement header field, add current access module type information, i.e. WLAN.
2:S-CSCF generates GRUU_1 according to the value of the instance id_1 in the contact header field of IMPU and register requirement, and is that GRUU_1 that terminal UE is distributed is carried in the contact header field of registration event notification message and is notified to application server Server with customer registration affair and this S-CSCF.
The contact_1 of related this register requirement of S-CSCF and be the GRUU_1 of terminal UE distribution simultaneously; And after application server Server receives registration event notification message, know that from registration event notification message multimode terminal inserts the IMS network from WLAN, the WLAN access module is related with GRUU_1.
3: multimode terminal is linked into the IMS network from WCDMA again, initiate another register requirement, adding+sip.instance parameter in the contact of this register requirement header field, the content of this parameter are to have bound the instance id_2 of the multimode terminal of WCDMA access module.Simultaneously, in the P-Access-Network-Info of this register requirement header field, add current access module type information, i.e. WCDMA.
After [notes]: S-CSCF receives this registration message, this is that (reg-id also carries in the contact header field in login request message for many registered events of same terminal can to come perception according to different reg-id, particular content is described referring to prior art), the connection (being step 1 and 2 contact that set up) of then not nullifying original contact_1.
Perhaps, S-CSCF can judge that also this is many registrations of initiating from the different access modules of same terminal, then need not to come perception by reg-id again according to different instance id.
4:S-CSCF generates GRUU_2 according to the value of the instance id_2 in the contact header field of IMPU and register requirement, and is that GRUU_2 that terminal UE is distributed is carried in the contact header field of registration event notification message and is notified to application server Server with customer registration affair and this S-CSCF.
The contact_2 of related this register requirement of S-CSCF and be the GRUU_2 of terminal UE distribution simultaneously; And after application server Server receives registration event notification message, know that from registration event notification message multimode terminal inserts the IMS network from WCDMA, the WCDMA access module is related with GRUU_2.
5: when the calling of an arrival need be routed to called subscriber's terminal equipment, message related to calls INVITE at first sent to S-CSCF.
6:S-CSCF triggers by iFC (initial Filter Criteria), and this INVITE is triggered to application server Server.
7: application server Server goes out the terminal equipment and the access module (being assumed to be WLAN) thereof of this calling that need continue according to corresponding strategies decision-making (selection), then the Request-URI header field content of filling in this INVITE according to the incidence relation of WLAN access module and GRUU_1 is GRUU_1, and the INVITE that will contain this header field returns to S-CSCF.
8:S-CSCF is according to selection and step 1 and 2 contact_1 that set up and the incidence relation of GRUU_1 of application server Server, the registration of location (selecting) GRUU1 connects, being S-CSCF extends this as the content (being contact_1) of step 1 and 2 contact that set up with Request-URI, and INVITE is issued.This calling just can accurately terminate the specific access module of specific multi-mode terminal equipment like this.
9: multimode terminal answers the call under the WLAN pattern, returns and calls out final response.
Embodiment two, terminal are informed network side with current access module type with the instance_id that has bound current access module type when setting up the registration connection; The access module type that network side is informed terminal is related with the GRUU of distribution; Application server determines to exist in the call session message multiple medium composition, and according to certain strategy decision this conversation message is split by different medium compositions; To called call proceeding the time, the routing decision entity is respectively each Media Stream that splits out and selects access module afterwards; Carry out entity this Media Stream that continues with the GRUU indication route of selected access module correspondence respectively at last.Referring to shown in Figure 5, comprise the following steps:
1: multimode terminal inserts the IMS network from WLAN, initiate register requirement REGISTER, adding+sip.instance parameter in the contact of this register requirement header field, the content of this parameter are exactly to have bound the instance id_1 of the multimode terminal of WLAN access module.Simultaneously, in the P-Access-Network-Info of this register requirement header field, add current access module type information, i.e. WLAN.
2:S-CSCF generates GRUU_1 according to the value of the instance id_1 in the contact header field of IMPU and this register requirement, and is that GRUU_1 that terminal UE is distributed is carried in the contact header field of registration event notification message and is notified to application server Server with customer registration affair and this S-CSCF.
The contact_1 of related this register requirement of S-CSCF and be the GRUU_1 of terminal UE distribution simultaneously; And after application server Server receives registration event notification message, know that from registration event notification message multimode terminal inserts the IMS network from WLAN, the WLAN access module is related with GRUU_1.
3: multimode terminal is linked into the IMS network from WCDMA again, initiate another register requirement, adding+sip.instance parameter in the contact of this register requirement header field, the content of this parameter are exactly to have bound the instance id_2 of the multimode terminal of WCDMA access module.Simultaneously, in the P-Access-Network-Info of this register requirement header field, add current access module type information, i.e. WCDMA.
After [notes]: S-CSCF receives this registration message, this is that (reg-id also carries in the contact header field in login request message for many registered events of same terminal can to come perception according to different reg-id, particular content is described referring to prior art), the connection (being step 1 and 2 contact that set up) of then not nullifying original contact_1.
Perhaps, S-CSCF can be many registrations of initiating from the different access modules of same terminal by judge this according to different instance id also, then need not to come perception by reg-id again.
4:S-CSCF generates GRUU_2 according to the value of the instance id_2 in the contact header field of IMPU and register requirement, and is that GRUU_2 that terminal UE is distributed is carried in the contact header field of registration event notification message and is notified to application server Server with customer registration affair and this S-CSCF.
The contact_2 of related this register requirement of S-CSCF and be the GRUU_2 of terminal UE distribution simultaneously; And after application server Server receives registration event notification message, know that from registration event notification message multimode terminal inserts the IMS network from WCDMA, the WCDMA access module is related with GRUU_2.
5: when the calling of an arrival need be routed to called subscriber's terminal equipment, message related to calls INVITE at first sent to S-CSCF.
6:S-CSCF triggers by iFC (initial Filter Criteria), and this INVITE is triggered to application server Server.
7: application server Server determines and has multiple medium composition in the call session message, and according to certain strategy decision this conversation message is split by different medium compositions.Application server Server carries out terminal equipment and access module selection according to strategy for splitting each Media Stream that comes out again.Present embodiment splits out video and two kinds of Media Streams of audio, and video stream is routed to multimode terminal by decision-making by the WLAN pattern, and audio stream is routed to multimode terminal by decision-making by the WCDMA pattern.
[notes]: the fractionation of Media Stream also can comprise the situation that further splits into two Media Streams of uplink and downlink.
8a: because video stream is routed to multimode terminal by decision-making by the WLAN pattern, then the Request-URI header field content of filling in INVITE according to the incidence relation of WLAN access module and GRUU_1 is GRUU_1, and the INVITE that will contain this header field returns to S-CSCF.Change step 9a over to.
8b: (with the step 8a while) simultaneously, because audio stream is routed to multimode terminal by decision-making by the WCDMA pattern, then the Request-URI header field content of filling in INVITE according to the incidence relation of WCDMA access module and GRUU_2 is GRUU_2, and the INVITE that will contain this header field returns to S-CSCF.Change step 9b over to.
9a:S-CSCF is according to selection and step 1 and 2 contact_1 that set up and the incidence relation of GRUU_1 of application server Server, the registration of location (selecting) GRUU_1 connects, being S-CSCF extends this as the content (being contact_1) of step 1 and 2 contact that set up with Request-URI, and INVITE is issued.The video Media Stream just can accurately terminate the WLAN access module of specific multi-mode terminal equipment like this.Change step 10a over to.
9b: (with the step 9a while) simultaneously, S-CSCF is according to selection and step 3 and 4 contact_2 that set up and the incidence relation of GRUU_2 of application server Server, the registration of location (selecting) GRUU_2 connects, being S-CSCF extends this as the content (being contact_2) of step 3 and 4 contact that set up with Request-URI, and INVITE is issued.The audio Media Stream just can accurately terminate the WCDMA access module of specific multi-mode terminal equipment like this.Change step 10b over to.
10a: multimode terminal receives the video Media Stream under the WLAN pattern, returns and calls out final response.
10b: multimode terminal receives the audio Media Stream under the WCDMA pattern, returns and calls out final response.
In the embodiment of the invention one and two, terminal is when setting up the registration connection, current access module type is informed network side with the resource name instance_id that has bound current access module type, access module type and the overall routable user proxy unified resource identification symbol GRUU that according to this instance_id is this terminal distribution, the two association that network side is informed terminal; Afterwards the time to called call proceeding, the routing decision entity selection access module of network side, and carry out entity with the GRUU indication route of selected access module type correspondence and carry out call proceeding.Therefore the binding by instance_id and current access module type, distribute GRUU according to this instance_id, and it is current access module type is related with this GRUU, the operation that these are a series of, after realizing that finally the routing decision entity is according to certain policy selection access module, can indicate route to carry out entity and carry out call proceeding with selected access module.
Before routing decision entity selection access module, can also comprise: the routing decision entity judges whether there are at least two kinds of medium compositions in the call session message, if, then further whether the routing decision entity selection splits into Media Stream with this call session message by the medium composition, if, then corresponding each Media Stream is selected access module respectively, and carries out entity this Media Stream that continues with the GRUU indication route of selected access module correspondence respectively; Otherwise, directly select the access module of described call session message, and carry out entity with the GRUU indication route of selected access module correspondence and carry out call proceeding.Can continue with the most suitable Access Network at Media Stream like this, thereby improve network transmission efficiency, improve user's business impression.
Further, the routing decision entity is judged in the time of described call session message need being split into Media Stream by the medium composition, also each Media Stream that splits out can be split into up Media Stream and downlink media stream.Thereby not bad utilize various access networks, strengthen user's business experience.
It is the method that multimode terminal provides access module to select that the embodiment of the invention also provides another kind of, comprises the following steps: that terminal setting up registration when connecting, informs network side with the identification information of current access network type; To called call proceeding the time, the routing decision entity of network side splits into Media Stream (further each medium composition can be split into up Media Stream and downlink media stream) with call session message by the medium composition, and corresponding each Media Stream selects access module respectively, and carries out entity this Media Stream that continues with selected access module corresponding identification information indication route respectively.
Wherein, the identification information of described access network type is current access module type and has bound the resource name instance_id of current access module type, perhaps be the entrained content of parameter (for example name is accesstype, and value can be " wlan ", " wcdma " etc.) newly-increased among the feature tag.
Further the embodiment of the invention can not judged the quantity of the medium composition that comprises in the call session message, directly splits; In the time of also can in determining call session message, having at least two kinds of medium compositions, again this call session message is split into Media Stream by the medium composition.
The embodiment of the invention also provides another kind of routing decision entity, referring to shown in Figure 6, comprise and preserves unit, split cells, access module selected cell and indicating member; Further also can comprise determining unit.
Preserve the unit, be used to preserve terminal at the identification information of setting up the current access network type of informing when registration connects.
Determining unit when being used for determining that there are at least two kinds of medium compositions in described call session message, is sent triggering signal to split cells.
Split cells is used for call session message is split into Media Stream by the medium composition, and split result is sent.This split cells can wait for that judging unit sends triggering signal, carries out fractured operation again, also can directly carry out fractured operation.
The access module selected cell is used for the split result sent according to split cells, and corresponding each Media Stream is selected access module respectively.
Indicating member is used for obtaining the access module selected cell respectively and being the selected pairing identification information of access module type of each Media Stream from preserving the unit, and with this identification information indication route execution entity this Media Stream that continues.
Below specifically describe by two embodiment.
Embodiment three, application server judge in the call session message and have multiple medium composition, and the embodiment that this conversation message is split by different medium compositions according to certain strategy decision.
In the present embodiment, increase a feature tag and identify access network type, suppose that newly-increased featuretag name is accesstype, value can be " wlan ", " wcdma " etc., in order to identify various access module.
Referring to shown in Figure 7, comprise the following steps:
1, multimode terminal inserts the IMS network from WLAN, initiate register requirement REGISTER, carry the contact_1 address in the request message, contact header field back has the accesstype parameter that identifies access network type, the parameter assignment is wlan, and expression inserts from wlan network.After request message is transmitted through corresponding entity, arrive S-CSCF (transmittance process and the present invention have nothing to do in the middle of it, do not give unnecessary details).
2, after user's register flow path finished, S-CSCF gave application server Server with customer registration affair and contact header field context notification, comprises the accesstype parameter that identifies access network type in the contact header field content, and its value is wlan.(subscribed to user's registered events before the Server to S-CSCF, therefore S-CSCF can notify Server here, and subscription procedure and the present invention are irrelevant, do not give unnecessary details)
3, multimode terminal is linked into the IMS network from WCDMA again, initiates the another one register requirement, and carrying contact_2 address and assignment in the request message is the accesstype parameter of wcdma, and expression is from the wcdma network insertion.
After [notes]: S-CSCF received this registration message, this was many registered events (reg-id also carries in the contact header field in login request message) of same terminal to come perception according to different reg-id, the connection of then not nullifying original contact_1.
In addition, as a kind of newly-increased method, S-CSCF can be many registrations of initiating from the different access modules of same terminal by judge this according to different accesstype also.
4, S-CSCF also is notified to application server Server to user new registered events and contact header field content, comprises the accesstype parameter that identifies access network type in the contact header field content, and its value is wcdma.
5, when a calling need be routed to the user, call signaling INVITE at first sent to S-CSCF.
6, S-CSCF triggers by iFC (initial Filter Criteria), and call signaling is triggered to application server Server.
7: application server Server determines and has multiple medium composition in the call session message, and according to certain strategy decision this conversation message is split by different medium compositions.Application server Server carries out terminal equipment and access module selection according to strategy for splitting each Media Stream that comes out again.Present embodiment splits out video and two kinds of Media Streams of audio, and video stream is routed to multimode terminal by decision-making by the WLAN pattern, and audio stream is routed to multimode terminal by decision-making by the WCDMA pattern.
[notes]: the fractionation of Media Stream also comprises the situation that further splits into two Media Streams of uplink and downlink.
8a: because video stream is routed to multimode terminal by decision-making by the WLAN pattern, then filling in Accept-Contact header field content is accesstype=wlan, and the INVITE request that will contain this header field returns to S-CSCF.
8b: simultaneously, because audio stream is routed to multimode terminal by decision-making by the WCDMA pattern, then filling in Accept-Contact header field content is accesstype=wcdma, and the INVITE request that will contain this header field returns to S-CSCF.
9a:S-CSCF is according to the selection of application server Server, and the registration of location (selecting) accesstype=wlan connects, and promptly S-CSCF issues the content that Request-URI extends this as contact_1 with the INVITE request.The video Media Stream just can accurately terminate the WLAN access module of specific multi-mode terminal equipment like this.
9b:S-CSCF is according to the selection of application server Server, and the registration of location (selecting) accesstype=wcdma connects, and promptly S-CSCF issues the content that Request-URI extends this as contact_2 with the INVITE request.The audio Media Stream just can accurately terminate the WCDMA access module of specific multi-mode terminal equipment like this.
10a: multimode terminal receives the video Media Stream under the WLAN pattern, returns and calls out final response.
10b: multimode terminal receives the audio Media Stream under the WCDMA pattern, returns and calls out final response.
Embodiment four, terminal are informed network side with current access module type with the instance_id that has bound current access module type when setting up the registration connection; The access module type that network side is informed terminal is related with the GRUU of distribution; Application server determines to exist in the call session message multiple medium composition, and according to certain strategy decision this conversation message is split by different medium compositions; To called call proceeding the time, the routing decision entity is respectively each Media Stream that splits out and selects access module afterwards; Carry out entity this Media Stream that continues with the GRUU indication route of selected access module correspondence respectively at last.
In sum, in the embodiment of the invention three and four, terminal is informed network side with the identification information of current access network type when setting up the registration connection; To called call proceeding the time, the routing decision entity of network side splits into Media Stream with call session message by the medium composition, and corresponding each Media Stream selects access module according to corresponding strategies respectively, and carries out entity this Media Stream that continues with selected access module corresponding identification information indication route respectively.Can continue with the most suitable Access Network at Media Stream like this, thereby improve network transmission efficiency, improve user's business impression.
Further, the routing decision entity is judged in the time of described call session message need being split into Media Stream by the medium composition, also each Media Stream that splits out can be split into up Media Stream and downlink media stream.Thereby not bad utilize various access networks, strengthen user's business experience.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (18)
1. a method that provides access module to select for multimode terminal is characterized in that, comprises the following steps:
Terminal is informed network side with current access module type and the resource name of having bound current access module type when setting up the registration connection;
Access module type and the overall routable user proxy unified resource identification symbol GRUU that according to this resource name is this terminal distribution, the two association that network side is informed terminal; And
To called call proceeding the time, the routing decision entity selection access module of network side, and carry out entity with the GRUU indication route of selected access module type correspondence and carry out call proceeding.
2. the method for claim 1 is characterized in that, the resource name that described GRUU is informed by the IMS public user identity IMPU and the terminal of terminal combines.
3. the method for claim 1 is characterized in that, described routing decision entity is carried out entity with the GRUU indication route of selected access module type correspondence and carried out call proceeding, further comprises:
The routing decision entity carries the GRUU with selected access module type association in the Indication message that issues to route execution entity; And
Route is carried out entity and is connected according to the GRUU location registration of carrying in the described Indication message, and carries out call proceeding.
4. the method for claim 1 is characterized in that, described current access module type is carried in the P-Access-Network-Info header field of registration message.
5. the method for claim 1, it is characterized in that, it is one of following that the corresponding strategies of described routing decision entity selection access module comprises at least: the composition in carrier policy, both caller preferences information, access network capability, access network state, media categories, the media categories, the attribute information of each composition in the media categories.
6. as each described method of claim 1 to 5, it is characterized in that, before routing decision entity selection access module, also comprise:
The routing decision entity determines to exist in the call session message at least two kinds of medium compositions, and the routing decision entity is further determined this call session message is split into Media Stream by the medium composition, then route is carried out corresponding each Media Stream of entity and is selected access module respectively, and carries out entity this Media Stream that continues with the GRUU indication route of selected access module correspondence respectively.
7. method as claimed in claim 6, it is characterized in that, when the routing decision entity is determined described call session message to be split into Media Stream by the medium composition, judge whether that further each Media Stream that will split out splits into up Media Stream and downlink media stream.
8. a routing decision entity is characterized in that, comprising:
Associative cell, the access module type and the route that are used for multimode terminal is informed are carried out the overall routable user proxy unified resource identification symbol GRUU that entity distributes, the two association;
The access module selected cell is used to select access module;
Indicating member is used for obtaining the selected pairing GRUU of access module type of access module selected cell from associative cell, and carries out entity with this GRUU indication route and carry out call proceeding.
9. routing decision entity as claimed in claim 8 is characterized in that, also comprises:
Determining unit is used for having at least two kinds of medium compositions in the call session message determining to receive, and when determining that further this call session message split into Media Stream by the medium composition, sends triggering signal;
Split cells is used for when receiving the triggering signal that determining unit is sent described call session message being split into Media Stream by the medium composition; And inform that corresponding each Media Stream of access module selected cell selects access module respectively.
10. multimode terminal comprises: recognition unit, and be used to discern this multimode terminal and set up the access module type of registration when connecting, it is characterized in that, also comprise:
Adding device, the resource name that is used for the current access module type of this multimode terminal that described recognition unit is identified and has bound current access module type adds the registration message that is sent to network side to;
Described current access module type is used for related with the overall routable user proxy unified resource identification symbol GRUU that according to described resource name is described multimode terminal distribution by described network side;
The routing decision entity of wherein said network side is selected access module to called call proceeding the time, and indicates the route execution entity of described network side to carry out call proceeding with the GRUU of selected access module type correspondence.
11. a system that provides access module to select for multimode terminal is characterized in that, comprising:
Multimode terminal when being used for setting up the registration connection, is informed network side with current access module type and the resource name of having bound current access module type;
Route is carried out entity, be used for setting up serving as registrar when registration connects in terminal, and the described resource name of informing according to multimode terminal overall routable user proxy unified resource identification accords with GRUU for this multimode terminal distributes, and be used to carry out call proceeding;
The routing decision entity, the access module type and the route that are used for multimode terminal is informed are carried out the GRUU that entity distributes for this multimode terminal according to described resource name, the two association; And the selection access module, and carry out entity with the GRUU indication route of selected access module type correspondence and carry out call proceeding.
12. system as claimed in claim 11 is characterized in that, described routing decision entity is a network element of preserving the corresponding strategies of selecting access module, and it is service call conversation control function S-CSCF that route is carried out entity.
13. a method that provides access module to select for multimode terminal is characterized in that, comprises the following steps:
Terminal is informed network side with the identification information of current access network type when setting up the registration connection;
To called call proceeding the time, the routing decision entity of network side splits into Media Stream with call session message by the medium composition, and corresponding each Media Stream selects access module respectively, and carries out entity this Media Stream that continues with selected access module corresponding identification information indication route respectively.
14. method as claimed in claim 13 is characterized in that, the identification information of described access network type is current access module type and has bound the resource name of current access module type, perhaps is the newly-increased entrained content of parameter among the feature tag.
15. method as claimed in claim 13 is characterized in that, each the medium composition in the described call session message is split into up Media Stream and downlink media stream.
16. as each described method of claim 13 to 15, it is characterized in that, further comprise: when described routing decision entity is determined to have at least two kinds of medium compositions in the call session message, again this call session message is split into Media Stream by the medium composition.
17. a routing decision entity is characterized in that, comprising:
Preserve the unit, be used to preserve terminal at the identification information of setting up the current access network type of informing when registration connects;
Split cells is used for call session message is split into Media Stream by the medium composition, and split result is sent;
The access module selected cell is used for the split result sent according to split cells, and corresponding each Media Stream is selected access module respectively;
Indicating member is used for obtaining the access module selected cell respectively and being the selected pairing identification information of access module type of each Media Stream from preserving the unit, and with this identification information indication route execution entity this Media Stream that continues.
18. routing decision entity as claimed in claim 17 is characterized in that, also comprises:
Determining unit when being used for determining that there are at least two kinds of medium compositions in described call session message, is sent triggering signal to split cells.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100937870A CN101291519B (en) | 2007-04-18 | 2007-04-18 | Method, system and apparatus for providing mode selection to multi-mode terminal |
| PCT/CN2007/002929 WO2008046303A1 (en) | 2006-10-12 | 2007-10-11 | Method for providing access mode selection to multimode terminal, system and apparatus thereof |
| EP07816543.8A EP2061269B2 (en) | 2006-10-12 | 2007-10-11 | Method for providing access mode selection to multimode terminal, system and apparatus thereof |
| ES07816543.8T ES2431051T5 (en) | 2006-10-12 | 2007-10-11 | Method for providing a selection of access mode to a multimode terminal and corresponding system and apparatus |
| US12/419,797 US8750201B2 (en) | 2006-10-12 | 2009-04-07 | Method, system and apparatus for providing access mode selection to multimode terminal |
| US13/270,935 US8699419B2 (en) | 2006-10-12 | 2011-10-11 | Method, system and apparatus for providing access mode selection to multimode terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007100937870A CN101291519B (en) | 2007-04-18 | 2007-04-18 | Method, system and apparatus for providing mode selection to multi-mode terminal |
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| CN101291519B true CN101291519B (en) | 2011-12-07 |
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| CN101986639A (en) * | 2010-09-26 | 2011-03-16 | 北京握奇数据系统有限公司 | Processing method, device and system for multimedia stream |
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| CN1750698A (en) * | 2005-09-19 | 2006-03-22 | 北京天碁科技有限公司 | Quick selecting network registrated double mode or multiple mode terminal and method |
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| CN1750698A (en) * | 2005-09-19 | 2006-03-22 | 北京天碁科技有限公司 | Quick selecting network registrated double mode or multiple mode terminal and method |
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