CN101472243B - Method and apparatus for applying isomery message based on conversation - Google Patents
Method and apparatus for applying isomery message based on conversation Download PDFInfo
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Abstract
The embodiment of the invention relates to the communication technology and discloses a conversation-based heterogeneous message application method. An IMS network can be informed about the application state of the heterogeneous message through using heterogeneous message application in the media access established by SIP conversation, so that the IMS network can serve the function of providing unified multi-media business and application. The embodiment of the invention further discloses equipment such as a conversation-based heterogeneous message application device.
Description
Technical field
The embodiment of the invention relates to the communication technology, particularly a kind of conversation-based isomery message application process and equipment.
Background technology
Session initiation Protocol (Session Initiation Protocol:SIP) is the application layer control protocol that is used to set up, change and stop Multimedia session or calling, and these Multimedia session comprise multimedia conferencing, remote teaching, IP etc.The core of SIP is defined by internet engineering task group (Internet Engineering Task Force:IETF) normal structure.
At present, (3rd Generation Partnership Project: 3rd Generation Partnership Project) standard definition IP Multimedia System (IP Multimedia Subsystem:IMS) is that 3G (3rd Generation) mobile network is realized packet voice and grouped data, the unified multimedia service and the objective network of application are provided to 3GPP.IMS adopts the bearer path of IP packet domain as its control signaling and media delivery, adopts Session Initiation Protocol as call control signalling, has realized service management, session control and carried the three who inserts separating.
Except that SIP; Also exist other application layer protocol, like HTTP (Hypertext Transfer Protocol:HTTP), FTP (File Transfer Protocol:FTP), real-time streaming protocol (Real-Time Streaming Protocol:RTSP) etc.As use HTTP to carry out uploading, downloading of file, and use FTP to carry out the download of file, use RTSP to carry out application such as Streaming Media control.When the application of using these agreements takes place; Because the IMS network uses SIP as its application layer protocol; Then the IMS network can't perception these non-SIP generation of using, therefore can't realize the function of IMS as " the unified multimedia service and the objective network of application ".
Summary of the invention
The embodiment of the invention provides a kind of conversation-based isomery message application process, and being used for solving prior art IMS network can't use the problem that takes place by the non-SIP of perception.This method comprises:
First entity receives the SIP conversation request, carries isomery message in the said SIP conversation request and uses descriptor;
Said first entity is used descriptor according to said isomery message, transmits isomery message with second entity.
The embodiment of the invention also provides a kind of conversation-based isomery message application apparatus, comprising:
Receiver module: be used to receive isomery message and use descriptor;
Module is set up in session: be used for using descriptor according to said isomery message, set up the media channel of SIP session and said SIP session, said media channel is used to transmit isomery message.
The embodiment of the invention also provides a kind of user equipment unit, comprising:
Session management module is used to manage the SIP session that isomery message is used;
The isomery message application module is used for using isomery message to use in said SIP session.
The embodiment of the invention also provides a kind of call control apparatus, and said call control apparatus comprises message sink module, service trigger module;
Said message sink module is used to receive isomery message and uses descriptor;
Said service trigger module is used for using descriptor according to said isomery message, triggers to call and handles the service logic controlled function that isomery message is used.
The embodiment of the invention also provides a kind of quality of service policy device, comprising:
The strategy generation module is used for generating the service quality control strategy that isomery message is used according to one of following at least information: isomery message application service quality descriptor, preset strategy;
The strategy notification module is used for the service quality control strategy with said tactful generation module generation, the network element of notifier processes isomery message application service quality.
The embodiment of the invention is used through using isomery message in the media channel of setting up in the SIP session, can make the IMS network know the isomery message applicable cases, makes the IMS network that the unified multimedia service and the function of application can be provided.Simultaneously, also make isomery message use to obtain secure service quality (Quality of Service, QoS).Simultaneously, because separating of session and application makes and can in a session, use a plurality of similar or inhomogeneous isomery messages to use simultaneously; Such as, a HTTP down load application, a HTTP upload application and the application of a RTSP video playback etc., perhaps; Make and can in a session, use by continuous use isomery message, such as, after the RTSP of a video plays and uses end; The RTSP that can in former session, continue another video plays and uses, and is convenient for users to use.
Description of drawings
Fig. 1 is the system architecture sketch map of the embodiment of the invention;
Fig. 2 is the method flow sketch map of the specific embodiment of the invention one;
Fig. 3 is the method flow sketch map of the specific embodiment of the invention two;
Fig. 4 is the structural representation of isomery message application apparatus in the embodiment of the invention;
Fig. 5 is the structural representation of user equipment unit in the embodiment of the invention;
Fig. 6 is the structural representation of call control apparatus in the embodiment of the invention;
Fig. 7 is the structural representation of quality of service policy device in the embodiment of the invention;
Fig. 8 is the structural representation of another isomery message application apparatus in the embodiment of the invention;
Fig. 9 is the method flow sketch map of the specific embodiment of the invention three;
Figure 10 is the method flow sketch map of the specific embodiment of the invention four.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, will combine accompanying drawing that the embodiment of the invention is done to describe in detail further below.
In the prior art, the user uses HTTP to carry out the download of file, has taken its signatory bandwidth; At this moment, the IMS network is received an incoming call calling of sending out to this user, because the IMS network application layer can't down load application take place this user of perception, when the remaining signatory bandwidth of user is not enough, this incoming call calling can only be set up failure like this; If down load application can this user of perception take place in the IMS network application layer, then can call " communication wait " business, the prompting user suspends down load application, thereby connects this incoming call calling, and when the incoming call incoming terminating, continues to recover down load application.
For these reasons; The embodiment of the invention will provide a kind of implementation method of using based on the isomery message of SIP session; Make the IMS network can realize adopting the application of isomery messages such as HTTP, FTP, RTSP, thereby make the IMS network that the unified multimedia service and the function of application can be provided through the mode of setting up of SIP session.For ease of describing, in the embodiment of the invention, the application layer protocol message of non-SIP is called isomery message, comprise like message such as HTTP, FTP, RTSP.
The network architecture that the embodiment of the invention provides a kind of conversation-based isomery message to use, its logical schematic is as shown in Figure 1, comprises following network element in this framework:
1) subscriber equipment (User Equipment:UE) unit: be used for initiating or receiving multimedia service and application.E1 interface between user equipment unit and the calling conversation control unit is a Session Initiation Protocol, and the E1 interface can be a direct interface, also can be indirect interface (indirect interface is meant the intermediate node that also has other between user equipment unit and the calling conversation control unit); The application layer packet agreement of D1 interface right and wrong SIP between user equipment unit and the isomery message applying unit; Include but not limited to: HTTP, FTP, RTSP etc.; The D1 interface can be a direct interface, also can be indirect interface (indirect interface is meant the intermediate node that also has other between user equipment unit and the isomery message applying unit).
2) calling conversation control unit: be used to handle the call session control based on the SIP signaling, in the IMS network, it can be CSCF (Call Session Control Function:CSCF) entity; E2 interface between calling conversation control unit and the Service Control Unit is a Session Initiation Protocol, and the E2 interface can be a direct interface, also can be indirect interface (indirect interface is meant the intermediate node that also has other between calling conversation control unit and the Service Control Unit); E3 interface between calling conversation control unit and the isomery message applying unit is a Session Initiation Protocol; The E3 interface can be a direct interface, also can be indirect interface (indirect interface is meant the intermediate node that also has other between calling conversation control unit and the isomery message applying unit).
3) Service Control Unit: be used to handle business control based on the SIP signaling; In the IMS network, can be application server (Application Server:AS).
4) isomery message applying unit: be used to provide application, use like HTTP application, FTP application, RTSP etc. based on isomery message.
5) service quality (Quality of Service:QoS) policy unit: for the isomery message based on the SIP session is used the functions such as policy control that service quality is provided; In the IMS network, can be strategy decisive function (Policy Decision Function:PDF), "Policy and Charging Rules Function network elements such as (Policy and Charging Rule Function:PCRF); Q1 interface between quality of service policy unit and the calling conversation control unit is a Diameter; The quality of service policy unit and and Service Control Unit between the Q2 interface be Diameter; At this moment, calling conversation control unit, Service Control Unit will provide application function (Application Function:AF).
The conversation-based isomery message application process of the embodiment of the invention can comprise:
First entity receives isomery message and uses descriptor;
First entity is used descriptor according to said isomery message, sets up and the SIP session of second entity and the media channel of SIP session, and media channel is used to transmit the isomery message of first entity and second inter-entity;
Concrete, first entity can be the isomery message applying unit, this moment, second entity can be a user equipment unit; It can be that user equipment unit is carried at and sends to the isomery message applying unit in the SIP conversation request that isomery message is used descriptor; Or,
First entity also can be a user equipment unit, and this moment, second entity can be the isomery message applying unit; It can be that the isomery message applying unit is carried in the SIP conversation request and sends to user equipment unit that isomery message is used descriptor.
For the method that makes the embodiment of the invention is clearer, will combine the method for accompanying drawing 2,3 pairs of embodiment of the invention of accompanying drawing to do to describe in detail further below.
The method that the specific embodiment of the invention one provides a kind of conversation-based isomery message to use, its schematic flow sheet is as shown in Figure 2:
Step 201: user equipment unit is initiated the SIP conversation request, carries isomery message in this SIP conversation request and uses descriptor, and this SIP conversation request can be a SIP INVITE invitation message etc.;
In this step; Isomery message application descriptor is used to describe said SIP conversation request and is used to set up the isomery message application; Be arranged in said SIP conversation request message with next or message segment a: Request-URI (request-unified resource sign), header field (header), Session Description Protocol body (Session Description Protocol body, SDP body) arbitrarily; Such as, isomery message is used descriptor can be in Request-URI, like " http ", " ftp " or symbol such as " rtsp " isomery message agreement; Isomery message is used descriptor also can be in one or more header fields: like User-Agent (user agent) header field, Accept-Contact (acceptance contact) header field, Contact (contact) header field, P-Preferred-Service (preferred service) header field etc.; Can in header field, describe isomery message and use,, also can in header field, describe the isomery message protocol type like " non-sip-application "; Like " http ", also the isomery message type can be described in header field, like " http.get "; The GET message of expression http protocol also can be described the isomery message application type, like " http.download " in header field; The down load application of HTTP is used in expression, and example is following:
Accept-Contact：application＝”http.get.download”
Isomery message is used descriptor also can be in the SDP body, and as in m capable (medium are capable), waiting and describe relevant isomery message application message through medium type (media) field, host-host protocol (proto) field, example is following:
M=application 3402 TCP/HTTP perhaps
M=application 3402 TCP/FTP perhaps
m＝application?3402?TCP/RTSP
In above-mentioned example, the medium type field description becomes " application (applications) ", the host-host protocol field description transport layer protocol " TCP " and the isomery message agreement " HTTP " of isomery message application, " FTP ".
Further; Isomery message is used descriptor can also comprise the isomery message application identities, uses to identify an isomery message, and this sign can be an explicit identification; Title like the isomery message application; This sign also can be implicit identification, and like a character string, explicit identification and implicit identification also can exist simultaneously.
In this step, the Request-URI of SIP conversation request message can directly locate isomery message and use, and promptly is the isomery message application identities that shows, such as the address that is a file in download; Request-URI also can locate the isomery message applying unit; It promptly is the address of isomery message applying unit place equipment; Such as being a server address; At this moment, also need carry the isomery message application identities in the SIP conversation request message, to use to this isomery message of isomery message applying unit sign.
Step 202: calling conversation control unit is received the SIP conversation request, carries out service trigger and handles; Wherein, after calling conversation control unit was received this SIP conversation request message, the service trigger data that coupling presets like initial filtering rule (Initial Filter Criteria:iFC), and were carried out service trigger and are handled; If the service trigger data are mated successfully with the SIP conversation request message of receiving, then this SIP conversation request message is sent to the Service Control Unit of describing in the service trigger data that are matched to merit.Use descriptor as triggering rule such as having disposed in the service trigger data with isomery message; After then calling conversation control unit receives that carrying isomery message uses the SIP conversation request message of descriptor; The execution service trigger is handled, and the SIP conversation request message is sent to the Service Control Unit of describing in these service trigger data.
Step 203～204: calling conversation control unit is sent the SIP conversation request to Service Control Unit; Service Control Unit is carried out the corresponding business control and treatment, and the SIP conversation request is back to calling conversation control unit; Wherein, Service Control Unit also can be adjusted above-mentioned isomery message such as (can add or modification) and use descriptor in the SIP conversation request.
Step 205: calling conversation control unit is carried out the route processing, and the SIP conversation request is sent to the isomery message applying unit; Wherein, Calling conversation control unit is carried out route with the Request-URI in the SIP conversation request message as destination address; The SIP conversation request is sent to the isomery message applying unit; Perhaps, calling conversation control unit also can still be carried out the service trigger Data Matching that presets with the SIP conversation request, the SIP conversation request message is sent to the isomery message applying unit of describing in the service trigger data that are matched to merit.
Step 206: the isomery message applying unit is received the SIP conversation request, returns the SIP conversational response; Wherein, the isomery message applying unit can add or revise above-mentioned isomery message application descriptor in the SIP conversational response; The isomery message applying unit can also carry it and use the contact address of distributing for isomery message in the SIP conversational response.
Step 207～209: calling conversation control unit is received the SIP conversational response; According to the SIP signaling paths of having set up; The SIP conversational response is sent to Service Control Unit; Service Control Unit returns to calling conversation control unit with the SIP conversational response after handling, and calling conversation control unit is sent the SIP conversational response to user equipment unit;
Step 210:SIP session is set up successfully, has set up media channel between user equipment unit and the isomery message applying unit;
Step 211: in the media channel that the SIP session is set up, carry out isomery message and use.
Here illustrate this step: the user uses HTTP to carry out the down load application of file on user equipment unit; HTTP message transmits in the media channel that the SIP session is set up; After the down load application of a file finishes; Can also in this SIP session, continue the down load application of another file; Can also in this SIP session, carry out the down load application of batch documents, the user also can delete a HTTP down load application that just in media channel, is transmitting, and the user also can revise (as suspending or recovery) HTTP down load application that just in media channel, is transmitting; Can certainly in this media channel, transmit FTP message, RTSP message etc.
In addition; User equipment unit can use in the step 206 and use the destination address of the contact address of distribution as isomery message as isomery message; Isomery message is sent to this contact address, perhaps, if the isomery message applying unit has carried the isomery message application identities in the SIP conversational response; Like HTTP URI or RTSP URI, then user equipment unit also can use the destination address of its isomery message application identities of receiving as isomery message; Further, because isomery message is used in the media channel that occurs in SIP session foundation, user equipment unit and isomery message applying unit need be set up the incidence relation of SIP session and isomery message application, and interrelational form can be following a kind of or any kind:
Interrelational form one: the mapping that management maintenance SIP session and isomery message are used on user equipment unit and the isomery message applying unit; In a SIP session, can have only isomery message to use, also can there be more than one isomery message to use, use with a FTP such as a HTTP and use, perhaps two HTTP application etc.;
Interrelational form two: in isomery message, transmit the sign of corresponding SIP session, like dialogue (dialog) sign, IP five-tuple etc.
The method that the specific embodiment of the invention two provides another kind of conversation-based isomery message to use, its schematic flow sheet is as shown in Figure 3:
Step 301: user equipment unit is initiated the isomery message application request;
In this step, user equipment unit is initiated the HTTP application request, sends HTTP message.
Step 302: the isomery message applying unit is received the isomery message application request, sends the SIP conversation request, carries the sign that isomery message is used descriptor and user equipment unit in the request; Wherein, the SIP conversation request can be a SIP INVITE invitation message etc., and the Request-URI in the message carries the sign of user equipment unit, and according to this sign, the SIP conversation request routes to the calling conversation control unit of user's registration; Further, the isomery message applying unit can also send the response of this isomery message application request.
Step 303～306: calling conversation control unit is received the SIP conversation request; Carrying out service trigger handles; The SIP conversation request is sent to Service Control Unit; Service Control Unit returns to calling conversation control unit with the SIP conversation request after handling, and calling conversation control unit is sent the SIP conversation request to user equipment unit;
Step 307～310: user equipment unit is received the SIP conversation request, sends the SIP conversational response, and the SIP conversational response routes to the isomery message applying unit through calling conversation control unit, Service Control Unit;
Step 311:SIP session is set up successfully, has set up media channel between user equipment unit and the isomery message applying unit;
Step 312: in the media channel that the SIP session is set up, carry out isomery message and use.Wherein, user equipment unit can use the isomery message applying unit to set up the contact address of sending in the process or isomery message application identities as the destination address of isomery message in the SIP session, sends isomery message.
In above-mentioned two embodiment, because the application of isomery message is set up based on the SIP session, Service Control Unit is arranged in the signaling paths of SIP session, thereby application that can the perception isomery message.When other uses generation; Receive an incoming call calling of sending out to the user like Service Control Unit; Service Control Unit can be used and incoming call calling application by the Unified Treatment isomery message; As call " communication wait " business; User equipment unit is revised the SIP session that isomery message is used, and keeps (hold) this SIP session, suspends this isomery message application, receives and set up the incoming call calling and discharge the SIP session that the application of (resume) isomery message is recovered in the back in this incoming call calling, thereby realize in the IMS network the unified multimedia service and the function of application being provided.
In above-mentioned two embodiment; User equipment unit, calling conversation control unit, Service Control Unit or isomery message applying unit can further carry isomery message application service quality descriptor in SIP conversation request or SIP conversational response; Be used to describe the service quality (Quality of Service:QoS) that isomery message is used, comprise one of following information or its combination in any: bandwidth occupancy information, bandwidth self-adaption indication information etc.; These information can be carried in message segments such as SDP body, such as: bandwidth occupancy information is a designated bandwidth or bandwidth range or bandwidth tabulation, is expressed as isomery message and uses bandwidth or bandwidth range or the bandwidth tabulation that distributes.Wherein, bandwidth range can comprise minimum bandwidth, maximum bandwidth, also can comprise minimum bandwidth and maximum bandwidth; The bandwidth tabulation is more than one optional bandwidth.The bandwidth self-adaption indication information can be an indicating label, and the expression isomery message is used the bandwidth of being distributed can the self adaptation adjustment.Isomery message application service quality descriptor can be user's appointment on user equipment unit, also can be that user equipment unit, calling conversation control unit, Service Control Unit or isomery message applying unit are specified based on one of following information or its combination in any: the subscriber policy that presets, carrier policy etc.
Calling conversation control unit or Service Control Unit can transmit isomery message application service quality descriptor to the quality of service policy unit through Q1 or Q2 interface as AF; The policy control of the service quality that isomery message uses is handled in the quality of service policy unit according to one of following information or its combination in any: the isomery message application service quality descriptor of receiving, presetting strategy etc., is that isomery message is used and distributed bandwidth.Wherein presetting strategy can be subscriber policy or the carrier policy that presets; Also can comprise the subscriber policy that presets and carrier policy etc.; It is fixing that the bandwidth of being distributed can keep in the isomery message application process, also can take the adjustment of situation self adaptation according to user bandwidth is actual.Such as, the user has used an isomery message application that file is downloaded, and the distribution bandwidth is 10M; In this process; The user initiates or receive a video call, and the quality of service policy unit is according to one of following information or its combination in any: the subscriber policy that presets, the carrier policy that presets, bandwidth self-adaption indication information etc. are adjusted into 5M with the bandwidth of file download application; When this video call finishes, the bandwidth of file download application is reverted to 10M.
The embodiment of the invention also provides a kind of conversation-based isomery message application apparatus 400, and its structure is as shown in Figure 4: this device can be arranged at user equipment unit or isomery message applying unit etc.This isomery message application apparatus comprises: module 402 is set up in receiver module 401, session;
Wherein, receiver module 401: be used to receive isomery message and use descriptor;
Module 402 is set up in session: be used for using descriptor according to this isomery message, set up the media channel of SIP session and this SIP session, this media channel is used to transmit isomery message.
Further, this isomery message application apparatus 400 can also use this contact address or isomery message application identities to send isomery message the contact address or the isomery message application identities of the isomery message application of in the SIP session, carrying;
Further, this isomery message application apparatus 400 can also carry the sign of SIP session in the SIP session;
Further, this isomery message application apparatus 400 can also comprise relating module 403: the incidence relation that is used to set up SIP session and isomery message; Particularly, relating module 403 can be first relating module: the mapping table that is used for managing SIP session and isomery message is to set up this incidence relation; Use thereby realize to act on the operation (like modification, the release of session) of SIP session isomery message, as suspending, recover or discharging isomery message application etc.;
Relating module 403 also can be second relating module: be used for through transmitting SIP session corresponding identification at isomery message to set up this incidence relation.
This isomery message application apparatus 400 is a user equipment unit, between the user equipment unit and the first isomery message applying unit, and the perhaps session of user equipment unit and the first isomery message applying unit and the second isomery message applying unit; Media channel is used to transmit the isomery message of user equipment unit and isomery message applying unit.
The embodiment of the invention also provides a kind of user equipment unit 500, and the isomery message that can realize above that using is used, and its structure is as shown in Figure 5.
Session management module 501 is used to manage the SIP session that isomery message is used, and way to manage comprises foundation, modification, discharges or show the SIP session;
Isomery message application module 502; Be used for using isomery message to use according to the SIP session; Occupation mode comprises: in the media channel of said SIP session, initiate, revise or the deletion isomery message is used, perhaps; Carry out the isomery message that carries in the request message of said SIP session and use descriptor, initiate isomery message and use; Wherein, The mode of in the SIP session, initiating the isomery message application comprises: the user operates isomery message and uses (clicking the link of a HTTP file download application etc. like the user through human-computer interaction interface), and after session management module 501 was set up the SIP session, isomery message application module 502 was initiated this isomery message application; Perhaps; After session management module 501 was set up the SIP session, the user operated isomery message and uses, and isomery message application module 502 is initiated this isomery message and used;
Session and isomery message association module 503, the isomery message that is used for associated user operation use with the SIP session (comprise the isomery message that is used for the associated user operation use with the mapping relations of SIP session, and the associated user mapping relations of operating SIP session and isomery message application).Carry out alternately through session and isomery message association module between session management module and the isomery message application module.
Wherein, Associated user operation isomery message uses and the mapping relations of SIP session comprise: the user initiates the isomery message application request; As click an isomery message application link; Session and isomery message association module 503 are set up mapping relations and are notified isomery message application module 502 and session management module 501, and session management module 501 is initiated a SIP session, and isomery message application module 502 is set up the back in said SIP session and initiated this isomery message application; Perhaps; Session management module 501 is with SIP session establishment information announcement session and isomery message association module 503; The user initiates the isomery message application request; As an isomery message application link being dragged or selects to a SIP session display interface etc., session and isomery message association module 503 are set up mapping relations and are notified isomery message application module 502, and isomery message application module 502 is initiated this isomery message and used in said SIP session; Perhaps; User's operation has been set up isomery message and has been used; Set up the isomery message application as in a SIP session display interface, suspending or discharging one; Session and isomery message association module 503 are according to the mapping relations notice isomery message application module of having set up 502, and isomery message application etc. is revised or deleted to isomery message application module 502 in said SIP session.
In addition; The mapping relations that associated user operation SIP session and isomery message are used comprise: user's modification or release SIP session; Session and isomery message association module 503 are according to the mapping relations notice isomery message application module of having set up 502, and the isomery message application in this SIP session etc. is revised or deleted to isomery message application module 502.
The embodiment of the invention also provides a kind of call control apparatus 600 that isomery message is used of handling, and its structure is as shown in Figure 6: this call control apparatus 600 can be arranged at calling conversation control unit or Service Control Unit etc., and this device can comprise:
Message sink module 601 is used to receive isomery message and uses descriptor, and informing business trigger module 602, and this isomery message is used descriptor and can be carried in the sip message;
Service trigger module 602 is used for using descriptor according to the isomery message from message sink module 601, triggers to call and handles the service logic controlled function that isomery message is used, and this calls and can be carried in sip message or the inside story; This call control apparatus 600 can be arranged in the calling conversation control unit; Said calling can be carried on sip message above this moment; Call Service Control Unit, trigger the service logic controlled function of calling the application of processing isomery message and be specially the transmission sip message, call Service Control Unit; Call control apparatus 600 also can be arranged in the Service Control Unit; Said calling can be carried on inside story above this moment; Call the service logic controlled function of Service Control Unit inside, trigger the service logic controlled function of calling the application of processing isomery message and be specially the service logic controlled function that said Service Control Unit inside is called in triggering.
This call control apparatus 600 can also comprise message transmission module, is used to send isomery message and uses descriptor.
The embodiment of the invention also provides a kind of quality of service policy device 700 that isomery message is used of handling; Its structure is as shown in Figure 7: quality of service policy device 700 can be arranged at calling conversation control unit or Service Control Unit or quality of service policy unit etc., and quality of service policy device 700 can comprise:
Strategy generation module 701 is used for generating the service quality control strategy that isomery message is used according to one of following at least information: isomery message application service quality descriptor, preset strategy; Wherein presetting strategy and can be subscriber policy that presets or the carrier policy that presets or both makes up etc.; This isomery message application service quality descriptor can be carried in sip message or the Diameter message;
Strategy notification module 702; Be used for service quality control strategy with tactful generation module generation, the network element of notifier processes isomery message application service quality, this notice can be carried on Diameter message etc.; When quality of service policy device 700 is arranged at calling conversation control unit or Service Control Unit; This notice is sent out to the quality of service policy unit, and perhaps, this device is arranged at the quality of service policy unit; This notice is sent out to PCEF (Policy and Charging Enforcement Function, strategy and charge execution function) network element etc.;
Further; Quality of service policy device 700 can also comprise tactful adjusting module 703; Can be used for the service quality control strategy according to tactful generation module 701 generations, in the isomery message application process, the adjustment isomery message is used the resource (as: network bandwidth etc.) that takies.
The embodiment of the invention also provides another kind of conversation-based isomery message application apparatus 800, and its structure is as shown in Figure 8: this device can be arranged at user equipment unit or isomery message applying unit etc.This isomery message application apparatus comprises: module 801 is set up in session, isomery message is used interactive module 802;
Wherein, session is set up module 801 and is used to initiate or receive carry the SIP conversation request that isomery message is used descriptor, sets up the SIP session, and SIP session establishment information notice isomery message is used interactive module;
Isomery message is used interactive module 802 and is used to receive the SIP session establishment information, and in the media channel that the SIP session is set up, mutual isomery message is used, and sends or receive isomery message;
Further; Module 801 is set up in session can also use interactive module 802 with contact address or isomery message application identities notice isomery message that the isomery message that in the SIP session, carries is used, and isomery message is used interactive module 802 and used this contact address or isomery message application identities to send isomery message;
Further, module 801 is set up in session can also use interactive module 802 with the sign notice isomery message of SIP session, and isomery message is used interactive module 802 and in isomery message, carried this sign;
This isomery message application apparatus can also comprise isomery message association module 803; Be used for the mapping that management maintenance SIP session and isomery message are used; To act on isomery message to the operation (like modification, the release of session) of SIP session and use, as suspending, recover or discharging isomery message application etc.
In the foregoing description one and embodiment two; User equipment unit is in application request; And set up the SIP session between an isomery message applying unit; In practical application, can also there be more than one isomery message applying unit or other user equipment unit to participate in, the method that the specific embodiment of the invention three provides another kind of conversation-based isomery message to use; Two isomery message applying units participate in the application request of user equipment unit, and its schematic flow sheet is as shown in Figure 9:
Step 901: user equipment unit 1 is initiated the SIP conversation request, carries isomery message in this SIP conversation request and uses descriptor, and this SIP conversation request can be a SIP INVITE invitation message etc.;
In this step, the Request-URI of SIP conversation request message can be the address of isomery message applying unit 2 place equipment, and the address of isomery message applying unit 1 place equipment can be carried in the Route header field; Perhaps,
Request-URI can be the isomery message application identities, and the address of isomery message applying unit 1 and isomery message applying unit 2 place equipment can be carried in the Route header field; Perhaps,
Request-URI can be the address or the isomery message application identities of isomery message applying unit 2 place equipment, and the address of not carrying isomery message applying unit place equipment in the Route header field.
Step 902～903: calling conversation control unit is received the SIP conversation request, sends the SIP conversation request to isomery message applying unit 1; Isomery message applying unit 1 is carried out handled, and the SIP conversation request is back to calling conversation control unit;
In this step, calling conversation control unit can be according to the address of the isomery message applying unit that carries in the SIP conversation request 1 place equipment, with session request trigger to isomery message applying unit 1; Perhaps,
Calling conversation control unit can be according to service trigger data that preset such as the matching treatment of iFC, with session request trigger to isomery message applying unit 1.
Step 904～905: calling conversation control unit is received the SIP conversation request, sends the SIP conversation request to isomery message applying unit 2; Isomery message applying unit 2 is carried out handled, and the SIP conversational response is back to calling conversation control unit;
Wherein, Calling conversation control unit can use the Request-URI in the SIP conversation request message to carry out route as destination address, and the SIP conversation request is sent to isomery message applying unit 2, and isomery message applying unit 2 carries out handled; Judge that Request-URI is address of this equipment or the application identities that provides; This conversation request that then terminates is returned the SIP conversational response to calling conversation control unit, carries the SDP response message of himself in the response.
Step 906～908: calling conversation control unit is received the SIP conversational response; The SIP conversational response is sent to isomery message applying unit 1; After isomery message applying unit 1 is handled the SIP conversational response is returned to calling conversation control unit, calling conversation control unit is sent the SIP conversational response to user equipment unit;
Wherein, isomery message applying unit 1 adds the SDP response message of himself in the SIP conversational response of returning to calling conversation control unit.Here, the present invention has expanded the application of SIP session, makes in a SIP conversational response, can carry more than one SDP response message, such as the SDP response message of isomery message applying unit 1 and isomery message applying unit 2,
Step 909:SIP session is set up successfully, has set up media channel between user equipment unit 1 and isomery message applying unit 1, the isomery message applying unit 2;
Wherein, User equipment unit 1 can use an address to set up media channel with isomery message applying unit 1, isomery message applying unit 2 respectively; Perhaps, also can use two addresses to set up media channel with isomery message applying unit 1, isomery message applying unit 2 respectively.
Step 910: in the media channel that the SIP session is set up, carry out isomery message and use.
Wherein, Carrying out first isomery message through the media channel of setting up between user equipment unit 1 and the isomery message applying unit 1 uses; Carry out second isomery message through the media channel of setting up between user equipment unit 1 and the isomery message applying unit 2 and use, such as, the user initiates once to travel conversation request through webpage; First isomery message is used the Web service of the predetermined air ticket that is based on HTTP and is used, and second isomery message is used the Web service in the predetermined hotel that is based on HTTP and used.
Except above-mentioned flow process, in step 903, isomery message applying unit 1 can also further return the SIP conversational response to calling conversation control unit, carries the SDP response message of himself in the response, to set up session with user equipment unit 1.Like this; In step 907; Isomery message applying unit 1 is not just returning the SDP response message that adds himself in the SIP conversational response to calling conversation control unit; Be user equipment unit 1 is received isomery message applying unit 1, isomery message applying unit 2 respectively in two SIP conversational response SDP response message, to set up media channel respectively.
In practical application; Isomery message applying unit 2 also can replace to user equipment unit 2; Like this; In step 910, carry out first isomery message through the media channel of setting up between user equipment unit 1 and the isomery message applying unit 1 and use, converse through the media channel of setting up between user equipment unit 1 and the user equipment unit 2; Perhaps; In practical application, also can there be more than one isomery message applying unit to seal in session between user equipment unit 1 and the user equipment unit 2, such as; In step 905; Isomery message applying unit 2 returns the SIP conversation request to calling conversation control unit,, repeats no more here to user equipment unit 2 routes with continuation.
Among the embodiment in front; Describe the media channel of setting up through the SIP conversation message and transmitted isomery message; The method that the specific embodiment of the invention four provides another kind of conversation-based isomery message to use; Can directly transmit isomery message through the SIP conversation message, its schematic flow sheet is shown in figure 10:
Step 1001: Service Control Unit is handled with isomery message and is used relevant business, such as, carry out streaming media service control, require user equipment unit to initiate the isomery message that TV programme are play in a request;
Step 1002: Service Control Unit sends a SIP conversation message, carries one or more isomery messages in this SIP conversation message;
Optional, this SIP conversation message be SIP REFER with reference to message, isomery message is carried in the Refer-To header field of SIP REFER message, such as, carry a RTSP playback messages, TV programme are play in request, example is following:
Refer-To：<rtsp://video.example.com/twister/test.wav；method＝PLAY>
In above-mentioned example; " rtsp: //video.example.com/twister/test.wav " be the unified resource sign of RTSP; The method name that " method " parameter is carried isomery message; Be PLAY (broadcast) method of RTSP in the example, in the Refer-To header field, can also further carry more detailed RTSP message content; Also can be an IGMP (Internet Group Management Protocol, Internet Group Management Protocol) the multicast message that joins request, request adds a television channel multicast address.Need to prove; IGMP is not traditional application layer protocol; But this agreement can be applied to the subscriber equipment adding or leave multicast in fact; Therefore in the embodiment of the invention it also is regarded as a kind of isomery message, and multicast is joined request or multicast leaves request and uses the mode of text primitive to describe, example is following:
Refer-To：<224.0.1.1；method＝JoinMulticastGroup>
In above-mentioned example, " JoinMulticastGroup " is the method name that the present invention expands, expression " adding multi-broadcast group ", and the address of multi-broadcast group is " 224.0.1.1 ".
For another example, carry a HTTP message in the Refer-To header field, a file is downloaded in request, and example is following:
Refer-To：<http://www.test.com/setup.exe；method＝GET>
In the present embodiment, it is exactly the isomery message of isomery message self or primitiveization that the isomery message that carries in the SIP conversation message is used descriptor.
Step 1003: calling conversation control unit is received the SIP conversation message that carries isomery message, with it to user equipment unit;
Step 1004: user equipment unit is received the SIP conversation message that carries isomery message, therefrom extracts isomery message, and this isomery message is sent out to the isomery message applying unit;
Optional, user equipment unit is received the SIP REFER message of carrying isomery message, from the Refer-To header field, extracts one or more isomery messages and transmission; If a plurality of isomery messages; Then send in order, the destination of isomery message is the isomery message applying unit, such as; User equipment unit sends the RTSP playback messages to streaming media server, and example is following:
PLAY?rtsp://video.example.com/twister/test.wav
Perhaps, send the IGMP multicast message that joins request, example is following:
22?00?f8?fc?00?00?00?01?04?00?00?00?e0?00?01?01
Wherein, " e0 00 01 01 " are hexadecimal multi-broadcast group addresses, i.e. " 224.0.1.1 ", and other data implication can repeat no more referring to the explanation of IGMP agreement here.
For another example, user equipment unit sends HTTP message to http server, and example is following:
GET?http://www.test.com/setup.exe
Can see; Through present embodiment, user equipment unit receives the SIPREFER message from Service Control Unit, carries out the isomery message that carries in the Refer-To header field and uses descriptor; Initiate the isomery message application request; Because this isomery message is carried on before application in the SIP conversation message, then the difference of other embodiment of generation of can these non-SIP of perception using of IMS network and front is; The media channel of not setting up the SIP session is to transmit isomery message, and promptly isomery message sends outside the media channel of SIP session.
Certainly, the method for present embodiment also can combine with the embodiment of front, in the media channel of SIP session, to send isomery message; Such as, user equipment unit is initiated the SIP INVITE and Service Control Unit is set up the SIP session; Service Control Unit uses the sign of the SIP session of having set up; Send SIP REFER message to user equipment unit, carry in the message and can be used descriptor by the isomery message that user equipment unit is carried out, user equipment unit is received this SIP REFER message; Carry out isomery message and use descriptor, in the media channel of the SIP session of having set up, send the isomery message application request.
At last, need to prove, in practical application; Can not provide isomery message to use on the isomery message applying unit, the agency who just uses as isomery message, this is because the home server that actual deployment provides isomery message to use is not supported the SIP session; At this moment; Need to transmit isomery message through media channel between isomery message applying unit this home server of agency and the user equipment unit, the isomery message applying unit transmits isomery message again and between this home server, such as; Provide a kind of Web server of Web service not support the SIP session; User equipment unit uses this Web service, and sets up the SIP session between the isomery message applying unit, sends the HTTP request message through media channel; The isomery message applying unit sends to Web server with the HTTP request message of receiving; And will send to user equipment unit through media channel from the http response message that Web server is received, and carry out the HTTP interacting message between user equipment unit and the Web server thereby make, use to accomplish this Web service.
Though through reference some preferred implementation of the present invention; The present invention is illustrated and describes; But those of ordinary skill in the art should be understood that and can do various changes to it in form with on the details, and without departing from the spirit and scope of the present invention.
Claims (11)
1. conversation-based isomery message application process is characterized in that said method comprises:
First entity receives the SIP conversation request, carries isomery message in the said SIP conversation request and uses descriptor;
Said first entity is used descriptor according to said isomery message, transmits isomery message with second entity;
Said method also comprises:
Said first entity is set up the media channel with the 3rd entity in said SIP session, media channel said and the 3rd entity is used to transmit the isomery message between said first entity and said the 3rd entity;
Said isomery message is the application layer protocol message of non-SIP.
2. the method for claim 1 is characterized in that, said first entity is used descriptor according to said isomery message, transmits isomery message with second entity and comprises:
Said first entity is used descriptor according to said isomery message, sets up and the SIP session of said second entity and the media channel of said SIP session, and said media channel is used to transmit said isomery message.
3. according to claim 1 or claim 2 method is characterized in that said first entity is a user equipment unit, and said second entity is the isomery message applying unit; Perhaps, said first entity is the isomery message applying unit, and said second entity is a user equipment unit.
4. method as claimed in claim 3 is characterized in that, said method also comprises:
Set up the incidence relation of said SIP session and said isomery message.
5. method as claimed in claim 4 is characterized in that, the said incidence relation of setting up said SIP session and said isomery message is specially:
Said user equipment unit and said isomery message applying unit are safeguarded the mapping table of said SIP session and said isomery message; Perhaps,
Said user equipment unit and said isomery message applying unit are set up said incidence relation through the sign of in said isomery message, transmitting said SIP session.
6. the method for claim 1 is characterized in that, said method also comprises:
Said first entity sends said SIP conversation request to said second entity;
Said second entity returns SIP conversational response to said first entity, carries isomery message in the said SIP conversational response and uses descriptor.
7. like claim 2 or 3 or 6 described methods; It is characterized in that; Carry isomery message application service quality descriptor in said SIP conversation request or the said SIP conversational response, said isomery message application service quality descriptor is used to generate the service quality control strategy that isomery message is used.
8. the method for claim 1 is characterized in that, said SIP conversation request is a SIPREFER message, and said method also comprises:
Said first entity is carried out said isomery message and is used descriptor, sends isomery message to second entity.
9. conversation-based isomery message application apparatus is characterized in that said device comprises:
Receiver module: be used to receive isomery message and use descriptor; Said isomery message is the application layer protocol message of non-SIP;
Module is set up in session: be used for using descriptor according to said isomery message, set up the media channel of SIP session and said SIP session, said media channel is used to transmit isomery message;
Said isomery message application apparatus is arranged at user equipment unit; Said SIP session is between the said user equipment unit and the first isomery message applying unit; Or the session between said user equipment unit and the first isomery message applying unit and the second isomery message applying unit, said media channel be used to transmit said user equipment unit and the said first isomery message applying unit and the second isomery message applying unit isomery message.
10. device as claimed in claim 9 is characterized in that, said device also comprises:
Relating module: the incidence relation that is used to set up said SIP session and said isomery message.
11. device as claimed in claim 10 is characterized in that, said relating module is first relating module: the mapping table that is used to manage said SIP session and said isomery message is to set up said incidence relation;
Be second relating module perhaps: be used for sign through transmitting said SIP session to set up said incidence relation at said isomery message.
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| EP1718030A1 (en) * | 2005-04-29 | 2006-11-02 | Alcatel | System and method for managing user groups in presence systems |
| CN101026616A (en) * | 2006-02-18 | 2007-08-29 | 华为技术有限公司 | Multimedia subsystem based interactive media session establishing system and method |
| CN101030961A (en) * | 2006-03-02 | 2007-09-05 | 华为技术有限公司 | Method and system for realizing time-transferring TV-set service based on NGN network |
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| EP1718030A1 (en) * | 2005-04-29 | 2006-11-02 | Alcatel | System and method for managing user groups in presence systems |
| CN101026616A (en) * | 2006-02-18 | 2007-08-29 | 华为技术有限公司 | Multimedia subsystem based interactive media session establishing system and method |
| CN101030961A (en) * | 2006-03-02 | 2007-09-05 | 华为技术有限公司 | Method and system for realizing time-transferring TV-set service based on NGN network |
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