CN102904866A - Method and system for realizing multimedia service of IP (internet protocol) multimedia subsystem - Google Patents
Method and system for realizing multimedia service of IP (internet protocol) multimedia subsystem Download PDFInfo
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Abstract
An embodiment of the invention discloses a method and a system for realizing multimedia service of an IP (internet protocol) multimedia subsystem, and relates to the technical field of communication. The method includes receiving a first media resource request message sent from an AS(application server) through an Sr interface, acquiring a first media resource from the AS according to a first address information in the first media resource request message and playing the first media resource to a terminal; receiving a second media resource request message, carrying operation instruction information for instructing subsequent operation content of the AS, of the terminal, sending the operation instruction information to the As through the Sr interface; receiving an operation request initiated by the AS according to the operation instruction information through an Mr interface, acquiring a second media resource from the AS according to the second address information carried in the request information, and playing the second media resource to the terminal. The method and the system are mainly used for realizing multimedia service of the IP multimedia subsystem.
Description
Technical field
The present invention relates to communication technical field, relate in particular to multimedia service realization method and system for Internet protocol (Internet Protocol, IP) IP multimedia subsystem, IMS.
Background technology
IP Multimedia System (IP Multimedia Subsystem, IMS) is a general framework, can provide novel, diversified multimedia service for terminal client.It can provide IP-based audio call (Voice IP, VOIP) and multimedia service.It is by third generation co-operative project (3rd Generation Partnership Project, an internationally recognized standard architecture that 3GPP) at first proposes, it is also admitted by other standardization body now, IMS supports plurality of access modes, such as global system for mobile communications (Global System for Mobile Communication, GSM), WCDMA access system (Wide-band Code Division Multiple Access, WCDMA), the CDMA2000 system, broadband access, and WLAN (wireless local area network) (Wireless Local Area Network, WLAN) etc.
For the terminal use, IMS can provide multiple communication modes for it, comprising speech, text, picture, video, perhaps with the combination in any of upper type.
IMS is comprised of the functional entity that multimedia service can be provided, and comprises the set of the functional entity relevant with carrying with signaling.Generally include AS (Application Server, application server) and MRF (Media Resource Function, media resource function) module, the user asks media resource by AS to MRF.
The automatic speech service system is a kind of IMS, and in the prior art, as shown in Figure 1, terminal can use http protocol to ask voice service by AS to MRF by Sr interface.Flow process is as follows: (1) terminal sends INVITE to AS, the request speech play.(2) AS triggers according to business, determines terminal is carried out playback.So AS sends INVITE and applies for voice resource to MRF, in the SIP INVITE MRF is submitted in VXML URL address and carries out, VXML URL address is the address at the voice place of terminal request.(3) AS replys 100TRYING message to the calling party, informs the terminal wait playback.(4) MRF replys 200OK, prepares playback.(5) AS replys 200OK to the calling party, playback request success.(6) call setup between terminal and the MRF, MRF be according to the VXML URL address of receiving, the VXML document that obtains from AS, the voice medium resource in the terminal plays VXML.(7) MRF finishes voice operating, sends a Bye message to AS to AS, informs that speech play finishes.
At present, a lot of automatic speech service systems are with the MPTY service, in terminal during by Sr interface request voice service, if terminal also further needs the MPTY service, because speech play finishes, MRF sends Bye message to application server, informs that the AS playback finishes, AS can't learn the MPTY request of terminal, so can not realize the MPTY function.
Summary of the invention
Embodiments of the invention provide a kind of multimedia service realization method for IP Multimedia System and system, and during by Sr interface request voice service, terminal can further realize other media resource request in terminal.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of multimedia service realization method for IP Multimedia System comprises:
Receive application server by the first media resource request message that Sr interface sends, from described application server, obtain the first media resource according to first address information of carrying in described the first media resource request message, and to terminal plays;
Receive described terminal by the second media resource request message that Sr interface sends, carry the operation indication information in described the second media resource request message, described operation indication information is used to indicate the ensuing content of operation of described application server;
Described operation indication information is sent to described application server by Sr interface;
Receive the operation requests message that described application server is initiated according to described operation indication information by Mr, carry the second address information in the described operation requests message;
From described application server, obtain the second media resource according to described the second address information by Mr, and to terminal plays.
A kind of Multimedia resource function processor (MRFP) comprises: media server, and described media server comprises:
The first receiving element, be used for receiving the first media resource request message that application server sends by Sr interface, from described application server, obtain the first media resource according to first address information of carrying in described the first media resource request message, and to terminal plays;
The second receiving element, be used for receiving the second media resource request message that described terminal sends by Sr interface, carry the operation indication information in described the second media resource request message, described operation indication information is used to indicate the ensuing content of operation of described application server;
The first transmitting element is used for described operation indication information is sent to described application server by Sr interface;
The 3rd receiving element is used for receiving the operation requests message that described application server is initiated according to described operation indication information by Mr, carries the second address information in the described operation requests message;
Broadcast unit is used for obtaining second media resource by Mr from described application server according to described the second address information, and to terminal plays.
A kind of multimedia service for IP Multimedia System is realized system, comprising:
Application server is used for sending the first media resource request message by Sr interface to Multimedia resource function processor (MRFP); Receive the operation indication information that described Multimedia resource function processor (MRFP) sends by Sr interface; According to described operation indication information by Mr to described Multimedia resource function processor (MRFP) transmit operation request message, carry the second address information in the described operation requests message;
Multimedia resource function processor (MRFP), be used for receiving the first media resource request message that application server sends by Sr interface, from described application server, obtain the first media resource according to first address information of carrying in described the first media resource request message, and to terminal plays; Receive described terminal by the second media resource request message that Sr interface sends, carry the operation indication information in described the second media resource request message, described operation indication information is used to indicate the ensuing content of operation of described application server; Described operation indication information is sent to described application server by Sr interface; Receive the operation requests message that described application server is initiated according to described operation indication information by Mr, carry the second address information in the described operation requests message; From described application server, obtain the second media resource according to described the second address information by Mr, and to terminal plays.
The multimedia service realization method and the system that are used for IP Multimedia System that the embodiment of the invention provides receive the first media resource request message that application server sends by Sr interface, and to terminal plays the first media resource; The second media resource request message that receiving terminal sends carries the operation indication information in the second media resource request message, and the operation indication information is used to indicate the ensuing content of operation of application server; To operate indication information and send to application server by Sr interface; Receive the operation requests message that application server is initiated according to the operation indication information by Mr, and to terminal plays the second media resource.
On the basis of existing Sr interface, increased Mr, receive the operation requests that AS initiates according to the operation indication information by Mr, so that MRF further carries out the further request of terminal, when being implemented in terminal by Sr interface request voice service, terminal can further realize other media resource request.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart that is used for the multimedia service realization method of IP Multimedia System in the prior art;
The flow chart of the multimedia service realization method that is used for IP Multimedia System that Fig. 2 provides for the embodiment of the invention;
Another flow chart for the multimedia service realization method of IP Multimedia System that Fig. 3 provides for the embodiment of the invention;
The structure chart of the media server that Fig. 4 provides for the embodiment of the invention;
The multimedia service that is used for IP Multimedia System that Fig. 5 provides for the embodiment of the invention is realized the structure chart of system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention provides a kind of multimedia service realization method for IP Multimedia System, as shown in Figure 2, may further comprise the steps:
201, Multimedia resource function processor (MRFP) receives the first media resource request message that application server sends by Sr interface, from described application server, obtain the first media resource according to first address information of carrying in described the first media resource request message, and to terminal plays.
Terminal is initiated the media resource request to application server, it can be voice service request, application server sends the first media resource request message by Sr interface to Multimedia resource function processor (MRFP), Multimedia resource function processor (MRFP) obtains the first media resource according to first address information of carrying in the first media resource request message from application server, and to terminal plays.
202, the second media resource request message of Multimedia resource function processor (MRFP) receiving terminal transmission carries the operation indication information in described the second media resource request message, and described operation indication information is used to indicate the ensuing content of operation of described application server.
About the second media resource request message, usually have a plurality of optional service entrys for voice service, also have a plurality of sub-services items under each service entry, as, comprise service entry " communication service " in certain voice service, under " communication service ", comprise sub-services item " meeting-place communication ", terminal is connected voice service and is selected " communication service ", Multimedia resource function processor (MRFP) carries out playback operation to terminal, the further chooser service entry of prompting user, terminal is further selected " meeting-place communication ", and terminal sends to Multimedia resource function processor (MRFP) with " meeting-place communication " as the second media resource request message.
About the operation indication information, terminal is carried the identifying information that the purpose terminal of meeting-place communication is carried out in hope in the request message of " meeting-place communication ", if mobile phone, then can for phone number as the operation indication information, the operation indication information be used to indicate the ensuing content of operation of application server.
203, Multimedia resource function processor (MRFP) will operate indication information and send to application server by Sr interface.
In order to make application server can obtain ensuing content of operation, Multimedia resource function processor (MRFP) will operate indication information and send to application server by Mr.
204, Multimedia resource function processor (MRFP) receives the operation requests message that application server is initiated according to the operation indication information by Mr, carries the second address information in the described operation requests message.
Application server can be initiated operation requests message to Multimedia resource function processor (MRFP) according to the operation indication information, and carry the second address information of the media resource of next playing in operation requests message after being received the operation indication information.
205, Multimedia resource function processor (MRFP) obtains corresponding the second media resource according to the second address information by Mr from application server, and to terminal plays.
Sr interface in the embodiment of the invention and Mr are well-known to those skilled in the art, do not repeat them here.
The multimedia service realization method that is used for IP Multimedia System that present embodiment provides receives the first media resource request message that application server sends by Sr interface, and to terminal plays the first media resource; The second media resource request message that receiving terminal sends carries the operation indication information in the second media resource request message, and the operation indication information is used to indicate the ensuing content of operation of application server; To operate indication information and send to application server by Sr interface; Receive the operation requests message that application server is initiated according to the operation indication information by Mr, and to terminal plays the second media resource.
On the basis of existing Sr interface, increased Mr, receive the operation requests that AS initiates according to the operation indication information by Mr, so that MRF further carries out the further request of terminal, when being implemented in terminal by Sr interface request voice service, terminal can further realize other media resource request.
A kind of improvement as present embodiment, the embodiment of the invention provides the another kind of multimedia service realization method that is used for IP Multimedia System, present embodiment with the terminal request voice service after, the process that MPTY is set up in further request is example, describe that present embodiment provides in detail in the multimedia service realization method of IP Multimedia System, as shown in Figure 3, may further comprise the steps:
301, terminal sends INVITE to application server, the request speech play.
302, Multimedia resource function processor (MRFP) receives the first media resource request message that application server sends by Sr interface.
Application server is at the SIP that receives the terminal request speech play (Session initiation Protocol, the signaling control protocol of a session layer) behind the INVITE, decision is carried out playback operation to terminal, send the SIP INVITE to Multimedia resource function processor (MRFP), as the first media resource request message, the request Multimedia resource function processor (MRFP) is to the terminal plays voice.
Application server carries VXML (Voice eXtensible Markup Language in sending to the SIP INVITE of Multimedia resource function processor (MRFP), voice extensible markup language) URL (Uniform Resource Locator, URL(uniform resource locator)) address information.
303, application server sends 100TRYING information to terminal, informs and prepares to carry out playback operation to terminal.
304, Multimedia resource function processor (MRFP) sends 200OK message by Sr interface to application server, prepares to carry out playback operation to terminal.
305, application server is transmitted 200OK message to terminal.
306, terminal sends the ACK acknowledge message to application server, confirms that the data that application server is sent have received errorless.
307, application server is transmitted the ACK acknowledge message by Sr interface to Multimedia resource function processor (MRFP).309、
308, Multimedia resource function processor (MRFP) obtains voice resource according to the VXML URL address information of carrying in the first media resource request message by Sr interface from application server, and to terminal plays.
Terminal is initiated the media resource request to application server, it can be voice service request, application server sends the first media resource request message by Sr interface to Multimedia resource function processor (MRFP), Multimedia resource function processor (MRFP) obtains the first media resource according to first address information of carrying in the first media resource request message from application server, and to terminal plays.
309, the second media resource request message of Multimedia resource function processor (MRFP) receiving terminal transmission carries the operation indication information in the second media resource request message, and the operation indication information is used to indicate the ensuing content of operation of application server.
About the second media resource request message, usually have a plurality of optional service entrys for voice service, also have a plurality of sub-services items under each service entry, as, comprise service entry " communication service " in certain voice service, under " communication service ", comprise sub-services item " meeting-place communication ", terminal is connected voice service and is selected " communication service ", Multimedia resource function processor (MRFP) carries out playback operation to terminal, the further chooser service entry of prompting user, terminal is further selected " meeting-place communication ", and terminal sends to Multimedia resource function processor (MRFP) with " meeting-place communication " as the second media resource request message.
About the operation indication information, terminal is carried the identifying information that the purpose terminal of meeting-place communication is carried out in hope in the request message of " meeting-place communication ", if mobile phone, then can for phone number as the operation indication information, the operation indication information be used to indicate the ensuing content of operation of application server.
310, Multimedia resource function processor (MRFP) will operate indication information and send to application server by Sr interface.
In order to make application server can obtain ensuing content of operation, Multimedia resource function processor (MRFP) uses HTTP Request message will operate indication information and sends to application server by Sr interface.
The destination Mobile Station International ISDN Number that Multimedia resource function processor (MRFP) will carry out MPTY in the present embodiment sends to application server by Sr interface.
311, application server acknowledges receipt of the operation indication information.
312, Multimedia resource function processor (MRFP) sends the notification message that the first media resource has been play end by Sr interface to application server.
Multimedia resource function processor (MRFP) sends the notification message that the first media resource has been play end by Sr interface to application server carry out the playback end to terminal after.
313, Multimedia resource function processor (MRFP) receives the operation requests message that application server is initiated according to the operation indication information by Mr, carries the second address information in the operation requests message.
After application server received the notification message of playback end, the request Multimedia resource function processor (MRFP) was set up the operation requests message of meeting-place passage, carries out MPTY for terminal.Carry SIPINFO message in the operation requests message, and carry MSCML (Media Server Control Markup Language, media server control mark language) script.
314, Multimedia resource function processor (MRFP) obtains corresponding the second media resource according to the second address information by Mr from application server, and to terminal plays.
The Multimedia resource function processor (MRFP) root is set up the meeting-place passage, and terminal is carried out the meeting-place playback operation.
315, Multimedia resource function processor (MRFP) is sent to AS with meeting-place playback operation result by the SIP INFO.
The multimedia service realization method that is used for IP Multimedia System that present embodiment provides, Multimedia resource function processor (MRFP) receives the first media resource request message that application server sends by Sr interface, and to terminal plays the first media resource; The second media resource request message that receiving terminal sends carries the operation indication information in the second media resource request message, and the operation indication information is used to indicate the ensuing content of operation of application server; To operate indication information and send to application server by Sr interface; Receive the operation requests message that application server is initiated according to the operation indication information by Mr, and to terminal plays the second media resource.
The multimedia service realization method that is used for IP Multimedia System that present embodiment provides, between application server and the Multimedia resource function processor (MRFP), use simultaneously Sr interface and Mr and cooperate the business operation of finishing complexity, realize system for the multimedia service for IP Multimedia System of the prior art, if supported Sr interface, can expand not revising the relevant service logic of former Sr interface, make it can support Mr simultaneously, improve the existing multimedia service that is used for IP Multimedia System and realized the compatibility of system, and mix and use Mr and Sr interface, can save R﹠D costs.
On the basis of existing Sr interface, increased Mr, receive the operation requests that AS initiates according to the operation indication information by Mr, so that MRF further carries out the further request of terminal, when being implemented in terminal by Sr interface request voice service, terminal can further realize other media resource request.
The embodiment of the invention provides a kind of Multimedia resource function processor (MRFP), as shown in Figure 4, comprising: media server 41, and described media server 41 comprises:
The first receiving element 411, be used for receiving the first media resource request message that application server sends by Sr interface, from described application server, obtain the first media resource according to first address information of carrying in described the first media resource request message, and to terminal plays;
Further alternatively, the first address information realizes by the VXML script.
The second receiving element 412 is used for receiving the second media resource request message that described terminal sends, and carries the operation indication information in described the second media resource request message, and described operation indication information is used to indicate the ensuing content of operation of described application server;
Further alternatively, the second media resource request message is that MPTY is set up request, and described operation indication information is the identification information of target terminal, and described the second address information realizes by the MSCML script.
The first transmitting element 413 is used for described operation indication information is sent to described application server by Sr interface;
Further alternatively, media server can use HTTP Request message that described operation indication information is sent to described application server by Sr interface.
The 3rd receiving element 414 is used for receiving the operation requests message that described application server is initiated according to described operation indication information by Mr, carries the second address information in the described operation requests message;
Further alternatively, also comprise the second transmitting element 416, be used for sending the notification message that the first media resource has been play end by Sr interface to described application server.
The Multimedia resource function processor (MRFP) that present embodiment provides receives the first media resource request message that application server sends by Sr interface, and to terminal plays the first media resource; The second media resource request message that receiving terminal sends carries the operation indication information in the second media resource request message, and the operation indication information is used to indicate the ensuing content of operation of application server; To operate indication information and send to application server by Sr interface; Receive the operation requests message that application server is initiated according to the operation indication information by Mr, and to terminal plays the second media resource.
On the basis of existing Sr interface, increased Mr, receive the operation requests that AS initiates according to the operation indication information by Mr, so that MRF further carries out the further request of terminal, when being implemented in terminal by Sr interface request voice service, terminal can further realize other media resource request.
The embodiment of the invention provides a kind of multimedia service for IP Multimedia System to realize system, as shown in Figure 5, comprising: application server 51, Multimedia resource function processor (MRFP) 52.
Wherein, application server 51 comprises: sip agent (SIP Proxy) 511, Web server (Web Server) 512.Multimedia resource function processor (MRFP) 52 comprises: media server 521.
The multimedia service that is used for IP Multimedia System that present embodiment provides is realized system, receives the first media resource request message that application server sends by Sr interface, and to terminal plays the first media resource; The second media resource request message that receiving terminal sends carries the operation indication information in the second media resource request message, and the operation indication information is used to indicate the ensuing content of operation of application server; To operate indication information and send to application server by Sr interface; Receive the operation requests message that application server is initiated according to the operation indication information by Mr, and to terminal plays the second media resource.
On the basis of existing Sr interface, increased Mr, receive the operation requests that AS initiates according to the operation indication information by Mr, so that MRF further carries out the further request of terminal, when being implemented in terminal by Sr interface request voice service, terminal can further realize other media resource request.
Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but the former is better execution mode in a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk such as computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (11)
1. a multimedia service realization method that is used for IP Multimedia System is characterized in that, comprising:
Receive application server by the first media resource request message that Sr interface sends, from described application server, obtain the first media resource according to first address information of carrying in described the first media resource request message, and to terminal plays;
Receive the second media resource request message that described terminal sends, carry the operation indication information in described the second media resource request message, described operation indication information is used to indicate the ensuing content of operation of described application server;
Described operation indication information is sent to described application server by Sr interface;
Receive the operation requests message that described application server is initiated according to described operation indication information by Mr, carry the second address information in the described operation requests message;
From described application server, obtain the second media resource according to described the second address information by Mr, and to terminal plays.
2. the multimedia service realization method for IP Multimedia System according to claim 1, it is characterized in that, describedly described operation indication information is sent to described application server by Sr interface be: use HTTP Request message that described operation indication information is sent to described application server by Sr interface.
3. the multimedia service realization method for IP Multimedia System according to claim 2, it is characterized in that, described the second media resource request message is that MPTY is set up request, described operation indication information is the identification information of target terminal, and described the second address information realizes by the MSCML script.
4. the multimedia service realization method for IP Multimedia System according to claim 3 is characterized in that, described the first address information realizes by the VXML script.
5. the multimedia service realization method for IP Multimedia System according to claim 4, it is characterized in that, described receive the operation requests message that described application server initiates according to described operation indication information by Mr before, described method also comprises:
Send the notification message that the first media resource has been play end by Sr interface to described application server.
6. Multimedia resource function processor (MRFP), comprising: media server is characterized in that described media server comprises:
The first receiving element, be used for receiving the first media resource request message that application server sends by Sr interface, from described application server, obtain the first media resource according to first address information of carrying in described the first media resource request message, and to terminal plays;
The second receiving element is used for receiving the second media resource request message that described terminal sends, and carries the operation indication information in described the second media resource request message, and described operation indication information is used to indicate the ensuing content of operation of described application server;
The first transmitting element is used for described operation indication information is sent to described application server by Sr interface;
The 3rd receiving element is used for receiving the operation requests message that described application server is initiated according to described operation indication information by Mr, carries the second address information in the described operation requests message;
Broadcast unit is used for obtaining second media resource by Mr from described application server according to described the second address information, and to terminal plays.
7. Multimedia resource function processor (MRFP) according to claim 6, it is characterized in that described media server sends to described application server with described operation indication information by Sr interface and is: described media server uses HTTP Request message that described operation indication information is sent to described application server by Sr interface.
8. Multimedia resource function processor (MRFP) according to claim 7, it is characterized in that, described the second media resource request message is that MPTY is set up request, and described operation indication information is the identification information of target terminal, and described the second address information realizes by the MSCML script.
9. Multimedia resource function processor (MRFP) according to claim 8 is characterized in that, described the first address information realizes by the VXML script.
10. Multimedia resource function processor (MRFP) according to claim 9 is characterized in that, described media server also comprises:
The second transmitting element is used for sending the notification message that the first media resource has been play end by Sr interface to described application server.
11. a multimedia service that is used for IP Multimedia System is realized system, it is characterized in that, comprising:
Application server is used for sending the first media resource request message by Sr interface to Multimedia resource function processor (MRFP); Receive the operation indication information that described Multimedia resource function processor (MRFP) sends by Sr interface; According to described operation indication information by Mr to described Multimedia resource function processor (MRFP) transmit operation request message, carry the second address information in the described operation requests message;
Multimedia resource function processor (MRFP), be used for receiving the first media resource request message that application server sends by Sr interface, from described application server, obtain the first media resource according to first address information of carrying in described the first media resource request message, and to terminal plays; Receive the second media resource request message that described terminal sends, carry the operation indication information in described the second media resource request message, described operation indication information is used to indicate the ensuing content of operation of described application server; Described operation indication information is sent to described application server by Sr interface; Receive the operation requests message that described application server is initiated according to described operation indication information by Mr, carry the second address information in the described operation requests message; From described application server, obtain the second media resource according to described the second address information by Mr, and to terminal plays.
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Application publication date: 20130130 |