CN101222680B - Early media broadcast implementing method and system - Google Patents
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- CN101222680B CN101222680B CN2008100066179A CN200810006617A CN101222680B CN 101222680 B CN101222680 B CN 101222680B CN 2008100066179 A CN2008100066179 A CN 2008100066179A CN 200810006617 A CN200810006617 A CN 200810006617A CN 101222680 B CN101222680 B CN 101222680B
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Abstract
The invention provides a method for realizing early-stage media playing in the following generation network and a system. The method comprises that: when a call user is called, the call reaches an exchange controller and is routed to the application server after carrying out initial filter criteria evaluation; the application server adds a preset media resource mark in a head domain of session initialization protocol SIP information; the SIP information carries the media resource mark to reach the terminal; according to the media resource mark, the terminal captures media resource, plays the captured media resource. The method makes the best of the function of the next generation network and realizes flexibility and convenience.
Description
Technical field
The present invention relates to the communication technology of next generation network, relate in particular to implementation method and system that the Early media in the next generation network is play.
Background technology
Early media is meant the medium of before conversation is set up, playing, from direction be divided into the forward direction Early media with after to Early media.The forward direction Early media be meant conversation set up before calling customized medium to called broadcast, the back is meant that to Early media called custom-made is to the medium of caller broadcast before conversation is set up.The concrete application scenarios of Early media comprises that coloured silk shakes, CRBT etc.
Present coloured silk shakes and Ring Back Tone service is widely used, and has polytype to use.With the Ring Back Tone service is example, a guy's CRBT, CRBT service provided to the calling party, advertisement CRBT etc.When the Ring Back Tone service form is in the free time for the phone of dialing in caller, caller will be heard the other side's ringback tone, and this tinkle of bells is not common ring-back tone, but one section music or advertisement also possibly be one section called messages of recording specially.But receive agreement and terminal limitations communication network that early media service more flexibly can't be provided.
Fig. 1 is for illustrating next generation network (Next Generation Network, structural representation NGN).As shown in Figure 1; Various terminals; Such as video telephone, SIP (Session Initiation Protocal; Conversation initialized protocol) phone and Uniphone or the like communicate by letter with the exchange control unit that is positioned at exchange layer through transmission network, and the application server in exchange control unit and the application layer, media server etc. are communicated by letter.Communication between the various piece can be carried out through Session Initiation Protocol.(IP Multimedia Subsystem, IMS) network is the principal mode of next generation network for flexible exchanging network and IP Multimedia System.For flexible exchanging network, above-mentioned exchange control unit can be a soft switching server, and for the IMS network, above-mentioned exchange control unit can be S-CSCF (Serving Call Session Control Function, a service call conversation control function).
Next generation network technology has possessed multimedia service providing capabilities such as the voice of enriching, video, data.But the early media service in the next generation network of prior art generally all is by connecting between exchange control unit control media server and the terminal, pushing media resource by media server to the terminal.Expectation can propose in next generation network, to realize early media service flexible more, that form is abundant more.
Summary of the invention
In view of this, the technical problem that the present invention will solve provides the implementation method that a kind of Early media that is applied to next generation network is play, and has and realizes flexible advantage.
The implementation method that the present invention provides a kind of Early media to play; Be applied to next generation network; When calling was called, the method comprising the steps of: exchange control unit confirm according to the calling that arrives said calling user applies route the call to application server behind the early media service; Said application server adds predetermined medium resource identification in the header field of Session initiation protocol SIP message, carry said medium resource identification incoming terminal by said sip message; Said terminal obtains media resource according to said medium resource identification, plays the said media resource that obtains.
Wherein, the header field of said sip message is Alert-Info and/or Call-Info field.Said media resource comprises in audio frequency, video, picture, electronic business card and the webpage one or more.
According to a preferred embodiment of the present invention, said next generation network is the IP Multimedia System network, and said exchange control unit is an originating S-CSCF, and said application server is personalized color vibration server.The method comprising the steps of: after said originating S-CSCF is received invitation message, whether apply for color vibration business according to the corresponding calling subscriber of the inquiry of the calling number in the said invitation message, if then said invitation message is routed to said color vibration server; Said color vibration server is according to calling number inquiry corresponding resource sign in the said invitation message; Add the said medium resource identification that inquires the header field of said invitation message to, carry said medium resource identification by said invitation message and arrive terminal called.
According to a further advantageous embodiment of the invention, said exchange control unit is a terminating S-CSCF, and said application server is a multimedia polyphonic ringtone server.The method comprising the steps of: after said terminating S-CSCF is received invitation message, judge according to the called number in the said invitation message whether corresponding called subscriber applies for Ring Back Tone service, if then said invitation message is routed to said color ring server; After said color ring server is received the ALERTING message that is returned by terminal called; According to called number inquiry corresponding resource sign in the said ALERTING message; Add the said medium resource identification that inquires the header field of said ALERTING message to, carry said medium resource identification by said ALERTING message and arrive calling terminal.
The implementation method that Early media provided by the invention is play; Based on next generation network; Header field through sip message carries the medium resource identification incoming terminal; Obtain and play corresponding resource by the terminal according to the medium resource identification that obtains then, make full use of the function and the advantage of next generation network, realize flexible.
Further; Early media both can be that the forward direction Early media also can be that the back is to Early media; Media resource can be audio frequency, video, webpage, electronic business card, picture or the like, and can providing more, the media play form of horn of plenty and more kinds of business provide form.
Another technical problem that the present invention will solve provides the realization system that a kind of Early media that is applied to next generation network is play, and has and realizes flexible advantage.
The realization system that the present invention provides a kind of Early media to play is applied to next generation network, comprising:
Exchange control unit is used to carry out the initial filter standard or norm assessment, carries out service authentication; Confirm according to the calling that arrives said calling user applies route the call to application server behind the early media service;
Application server is used for adding predetermined medium resource identification at the header field of Session initiation protocol SIP message, carries the medium resource identification incoming terminal by sip message;
The terminal is used for obtaining media resource according to medium resource identification, plays the media resource that obtains.
According to a preferred embodiment of the present invention, the terminal comprises: message resolution module, be used to resolve the sip message that receives, and obtain the medium resource identification that comprises in the header field of said sip message, send said medium resource identification to the resource acquisition module; The resource acquisition module is used for the receiving media resource identification, downloads the media resource of said medium resource identification indication to Media Resource Server, and said media resource is sent to the resource playing module; The resource playing module is used for the receiving media resource, plays said media resource.
Wherein, said sip message is invitation message or ALERTING message, and said header field is Call-Info or Alert-Info field.Said media resource is audio frequency, video, picture or electronic business card.
According to a preferred embodiment of the present invention, application server comprises: information storage module is used for storing subscriber information and corresponding resource thereof sign; Sign is added module, is used to receive sip message, from said sip message, obtains user profile, from said information storage module inquiry and said user profile corresponding resource sign, adds in the header field of said sip message obtaining medium resource identification.
Further, this application server also comprises the information customization module, is used to receive the input of the medium resource identification of customization, and the said medium resource identification that receives is stored in said information storage module.
Description of drawings
Fig. 1 is the structural representation that next generation network is shown;
Fig. 2 is the flow chart that an embodiment of the implementation method of playing according to Early media of the present invention is shown;
Fig. 3 is the signaling diagram that an embodiment of the implementation method of playing according to forward direction Early media of the present invention is shown;
Fig. 4 illustrates the signaling diagram of back according to the present invention to an embodiment of the implementation method of Early media broadcast;
Fig. 5 is the structured flowchart that illustrates according to an embodiment of communicating terminal of the present invention;
Fig. 6 is the structured flowchart that illustrates according to an embodiment of application server of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is more comprehensively described, exemplary embodiment of the present invention wherein is described.
The user chooses and the customized media file in professional website in advance, and the website was stored in application server with universal resource identifier (URI) link of media file after customization was accomplished.A kind of concrete realization of customization procedure is described below.
At first, the user customizes to exchange control unit request Early media through webpage, application software, interactive voice response (IVR) terminal etc.;
The user is carried out after authentication passes through, and the user imports the medium resource identification of customization; The identification list of available media assets also can be provided to the user, therefrom select the media resource that needs by the user;
After the user confirmed, exchange control unit write down this customized information, and the information such as medium resource identification of Subscriber Number, type of service, customization are sent to application server for storage.
Fig. 2 is the flow chart that an embodiment of the implementation method of playing according to Early media of the present invention is shown.
As shown in Figure 2, in step 201, calling user dials called subscriber's call arrival exchange control unit; Exchange control unit carries out initial filter standard or norm (initial Filter Criteria; IFC) service authentication is carried out in assessment, and whether judges has applied for early media service.If the early media service of having confirmed user applies then routes the call to corresponding application server, otherwise, by the ordinary call business flow processing.Wherein, exchange control unit can be the soft switch in the flexible exchanging network, also can be the S-CSCF in the IMS network.
In step 203, after application server is received sip message, extract the calling number and/or the called number that comprise in the sip message, carry out the early media service logic, obtain the corresponding resource sign.Application server adds medium resource identification in the header field such as Alert-Info and/or Call-Info of sip message then, carries this medium resource identification incoming terminal by this sip message.For the forward direction Early media, this sip message can be INVITE (invitation) message; To Early media, this sip message can be 180Ringing (ring) message for the back.Correspondingly, the terminal of sip message arrival is respectively terminal called and calling terminal.
In step 205, the medium resource identification that obtains is wherein resolved in the terminal after receiving this sip message, obtain corresponding resource according to this medium resource identification from media server, and play this media resource.Media server can with application server on same server, also can be positioned on the different servers.Communication between terminal and the media server can be followed variety of protocols such as HTTP, FTP.
Above-mentioned media resource can be audio frequency, video, picture, electronic business card and webpage or the like.Following table 1 shows part URI kind and the corresponding resource type thereof that can fill in Alert-Info and the Call-Info:
Table 1
It should be appreciated by those skilled in the art that; The Early media of support of the present invention is not limited to above-mentioned media resource type; The part URI kind corresponding with the media resource type just exemplarily listed of table 1 simultaneously, other URI kind also can be used for implementation method of the present invention.For convenience; To shake for files such as the called audio frequency that the playing and calling appointment is provided, picture, video, webpage, real-time video, electronic business card are called coloured silk below, will provide files such as the audio frequency of playing called appointment, picture, video, webpage, real-time video, electronic business card to be called CRBT for caller.
Fig. 3 illustrates forward direction Early media according to an embodiment of the invention to play the signaling diagram of realizing.Next generation network logically is divided into the originating network at calling subscriber place and the terminal network at called subscriber place.
As shown in Figure 3, in step 301, calling user dials called subscriber, the INVITE request arrives originating S-CSCF; Originating S-CSCF returns 100trying message to calling terminal.
In step 302, originating S-CSCF carries out the iFC assessment to the INVITE of being received, from INVITE, extracts calling number; Carry out service authentication, judge whether the calling subscriber has applied for color vibration business, if; Then execution in step 303, otherwise, handle by common call flow.
In step 303, because the calling subscriber applied for the personal ringing demonstration, so S-CSCF is routed to the Calling Side application server with INVITE, promptly personalized color vibration server according to the iFC of personalized color vibration business; Application server returns 100trying message to originating S-CSCF.
In step 304, the Calling Side application server starts personalized color vibration business logic after receiving INVITE request, comprises group under the inquiry called subscriber, called subscriber's the ringing media that present condition and calling subscriber are scheduled to for this called subscriber that is.According to Query Result, the Calling Side application server adds Alert-Info and/or the Call-Info that comprises media file URI in INVITE.
In step 305, the INVITE that application server will comprise media file URI returns originating S-CSCF; Originating S-CSCF returns 100trying message to application server.
In step 306, originating S-CSCF is forwarded to the terminating S-CSCF (not shown) with the INVITE request, and by terminating S-CSCF INVITE is routed to terminal called.
In step 307, terminal called is resolved INVITE, according to the media file URI that obtains from Alert-Info and/or Call-Info to the media server download media resource.
In step 308, terminal called is play the media resource of downloading, thereby realizes the broadcast of personal ringing.Terminal called returns 180Ringing message, arrives calling terminal through originating S-CSCF.
In step 309, called off-hook sends the 200OK response message.Terminal called stops media file corresponding in the Alert-Info header field after sending the 200OK response immediately, does not do requirement for media file corresponding among the Call-Info, and calling terminal also can continue to browse.Calling terminal returns ACK message after receiving 200OK message, caller and called between conversation set up.
Fig. 4 illustrates back according to the present invention to play the signaling diagram of realizing to Early media.
As shown in Figure 4, in step 401, calling user dials called subscriber, the INVITE request arrives terminating S-CSCF.Terminating S-CSCF returns 100trying message.
In step 402, terminating S-CSCF carries out the iFC assessment to the INVITE of being received, from INVITE, extracts called number; Carry out service authentication, judge whether the called subscriber has applied for Ring Back Tone service, if; Then execution in step 403, otherwise, handle by common call flow.
In step 403, because the called subscriber applied for Multimedia Ring Back Tone service, so terminating S-CSCF is routed to application server according to the iFC of Multimedia Ring Back Tone service with INVITE, i.e. multimedia polyphonic ringtone server.Multimedia polyphonic ringtone server will send to terminal called from the INVITE request of caller.The response message of terminal called will be followed the route of INVITE, via multimedia polyphonic ringtone server, after by multimedia polyphonic ringtone server response message being handled, be forwarded to caller P-CSCF by originating S-CSCF again.
In step 404, terminal called is in idle condition, and ALERTING message 180Ringing is returned in the beginning ring.This 180Ringing message is followed the route of INVITE, arrives multimedia polyphonic ringtone server.
In step 405, after multimedia polyphonic ringtone server is received ALERTING message, start the Ring Back Tone service logic, comprise that group and the called subscriber under multimedia color ring back tone management and group server lookup calling subscriber is the CRBT file of this group's reservation.According to Query Result, application server increases Alert-Info and/or Call-Info in 180Ringing message, wherein carry multimedia file URI.
In step 406, the 180Ringing message that has comprised media file URI arrives calling terminal via terminating S-CSCF.
In step 407, calling terminal is resolved 180Ringing message, downloads corresponding resource according to the media file URI that obtains to application server.
In step 408, calling terminal is play the multimedia color ring back tone of downloading.Require the real-time downloading and playing in terminal for media file corresponding in the Alert-Info header field; Do not require that for media file corresponding among the Call-Info terminal downloads displaying in real time.
In step 409, called off-hook sends the 200OK response message, and the 200OK response message arrives calling terminal via terminating S-CSCF, application server.
In step 410, calling terminal stops media file corresponding in the Alert-Info header field after receiving the 200OK response message immediately, does not do requirement for media file corresponding among the Call-Info, and calling terminal can continue to browse.Calling terminal sends ACK and arrives terminal called, and conversation is set up.
It may be noted that application server and media server can be positioned on the same server, also can be different servers in the implementation method that Early media of the present invention is play.Forward direction Early media of the present invention is play with the back and is play and can realize with in a calling procedure to Early media.
The user shakes and/or during Ring Back Tone service, can the business object user be divided into groups at the customization coloured silk, and be that different groups customizes different medium resource identifications.Application server is at first judged the group that the business object user is affiliated when adding medium resource identification, and obtains the corresponding resource sign, adds in the sip message.After communicating terminal receives Early media information, the original ringing-current sound of shielding network, the media file of play service appointment.After get into the off-hook flow process, communicating terminal just interrupts media play, discharges media resource.
The implementation method that Early media provided by the invention is play; Based on next generation network; Header field through sip message carries the medium resource identification incoming terminal; Obtain and play corresponding resource by the terminal according to the medium resource identification that obtains then, make full use of the function and the advantage of next generation network, realize flexible.Early media both can be the forward direction Early media also can be the back to Early media, media resource can be audio frequency, video, webpage, electronic business card, picture or the like, providing more, the media play form of horn of plenty and more kinds of business provide form.
Fig. 5 is the structured flowchart according to an embodiment of communicating terminal of the present invention.
As shown in Figure 5, this communicating terminal comprises message resolution module 51, resource acquisition module 52 and resource playing module 53.
Wherein, message resolution module 51 is used to resolve the sip message that receives, and the medium resource identification (for example universal resource identifier) that comprises in the header field of acquisition sip message sends to resource acquisition module 52 with medium resource identification.This sip message can be INVITE or 180Ringing message.The header field of sip message comprises Call-info and Alert-info field.
Resource acquisition module 52 is used to receive the medium resource identification from message resolution module 51, to the media resource of Media Resource Server download media resource sign indication, sends the media resource of downloading to resource playing module 53.This media resource can be media files such as audio frequency, video, picture, webpage or electronic business card.
Resource playing module 53 is used to receive the media resource from resource acquisition module 52, plays the media resource that receives.
Fig. 6 is the structured flowchart that can be applicable to a kind of application server of method of the present invention.
As shown in Figure 6, comprise information customization module 60, information storage module 61 and sign interpolation module 62.
Wherein, information customization module 60 is used to receive the input of the medium resource identification of customization, and the medium resource identification that receives is stored in the information storage module 61.The user can customize the medium resource identification of oneself through modes such as web, IVR.
Information storage module 61 is used for storing subscriber information and corresponding resource thereof sign.
Sign is added module 62; Be used to accept sip message; From sip message, obtain caller or called user information; From information storage module 61 acquisitions and caller or called user information corresponding resource sign, add in the header field such as Call-info or Alert-info of sip message obtaining medium resource identification.Sip message can be INVITE or ALERTING message.
It is pointed out that the information customization module is optional.
Description of the invention provides for example with for the purpose of describing, and is not the disclosed form that exhaustively perhaps limit the invention to.A lot of modifications and variation are obvious for those of ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (13)
1. the implementation method that Early media is play is applied to next generation network, when calling is called, it is characterized in that said method comprises:
A, call arrival exchange control unit, said exchange control unit carry out the initial filter standard or norm assessment, carry out service authentication; Confirm according to the calling that arrives said calling user applies route the call to application server behind the early media service;
B; After said application server is received Session initiation protocol SIP message; Extract the calling number and/or the called number that comprise in the said sip message, carry out the early media service logic, obtain the corresponding resource sign; Said application server adds said medium resource identification in the header field of said sip message, carry said medium resource identification incoming terminal by said sip message;
C, the said medium resource identification that obtains in the said sip message is resolved in said terminal after receiving said sip message, and said terminal obtains media resource according to said medium resource identification, plays the said media resource that obtains.
2. the implementation method that Early media according to claim 1 is play is characterized in that the header field of said sip message is Alert-Info and/or Call-Info field.
3. the implementation method that Early media according to claim 1 and 2 is play is characterized in that, said media resource comprises in audio frequency, video, picture, electronic business card and the webpage one or more.
4. the implementation method that Early media according to claim 3 is play is characterized in that said next generation network is the IP Multimedia System network, and said exchange control unit is service call conversation control function S-CSCF.
5. the implementation method that Early media according to claim 4 is play is characterized in that said S-CSCF is an originating S-CSCF, and said application server is a color vibration server;
Said step a comprises:
After said originating S-CSCF is received invitation message, judge according to the calling number in the said invitation message whether corresponding calling subscriber applies for color vibration business, if then said invitation message is routed to said color vibration server;
Said step b comprises:
Said color vibration server is according to calling number inquiry corresponding resource sign in the said invitation message; Add the said medium resource identification that inquires the header field of said invitation message to, carry said medium resource identification by said invitation message and arrive terminal called.
6. the implementation method that Early media according to claim 4 is play is characterized in that said S-CSCF is a terminating S-CSCF, and said application server is a multimedia polyphonic ringtone server;
Said step a comprises:
After said terminating S-CSCF is received invitation message, judge according to the called number in the said invitation message whether corresponding called subscriber applies for Ring Back Tone service, if then said invitation message is routed to said color ring server;
Said step b comprises:
After said color ring server is received the ALERTING message that is returned by terminal called; According to called number inquiry corresponding resource sign in the said ALERTING message; Add the said medium resource identification that inquires the header field of said ALERTING message to, carry said medium resource identification by said ALERTING message and arrive calling terminal.
7. the implementation method that Early media according to claim 3 is play is characterized in that said next generation network is a flexible exchanging network, and said exchange control unit is soft switch.
8. the realization system that Early media is play is applied to next generation network, and this system comprises exchange control unit, supports the application server and the communicating terminal of Session Initiation Protocol, it is characterized in that,
Said communicating terminal comprises:
Message resolution module is used to resolve the sip message that receives, and obtains the medium resource identification that comprises in the header field of said sip message, sends said medium resource identification to the resource acquisition module;
Said resource acquisition module is used for the receiving media resource identification, downloads the media resource of said medium resource identification indication to Media Resource Server, and said media resource is sent to the resource playing module;
Said resource playing module is used for the receiving media resource, plays said media resource;
The application server of said support Session Initiation Protocol comprises:
Information storage module is used for storing subscriber information and corresponding resource thereof sign;
Sign is added module, is used to receive sip message, from said sip message, obtains user profile, from said information storage module inquiry and said user profile corresponding resource sign, adds in the header field of said sip message obtaining medium resource identification.。
9. system according to claim 8 is characterized in that, said medium resource identification is a universal resource identifier.
10. system according to claim 8 is characterized in that, said sip message is invitation message or ALERTING message, and said header field is Call-Info or Alert-Info field.
11. communicating terminal according to claim 8 is characterized in that, said media resource is audio frequency, video, picture or electronic business card.
12. system according to claim 8 is characterized in that, also comprises the information customization module, is used to receive the input of the medium resource identification of customization, and the said medium resource identification that receives is stored in said information storage module.
13. system according to claim 12 is characterized in that, said sip message is invitation message or ALERTING message, and said header field is Call-Info or Alert-Info field.
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| CN101383881B (en) * | 2008-09-28 | 2011-12-21 | 华为技术有限公司 | Speech and webpage transmitting cooperation method, apparatus and system |
| CN102026108A (en) * | 2009-09-15 | 2011-04-20 | 中兴通讯股份有限公司 | Method and system for implementing distinctive ringing in call waiting service |
| CN102045659B (en) * | 2009-10-15 | 2015-12-16 | 中兴通讯股份有限公司 | The polychrome exhibiting method of instant message and system |
| CN103888622B (en) * | 2012-12-21 | 2016-08-10 | 中国移动通信集团北京有限公司 | A kind of multi-media ringtone player method, Apparatus and system |
| CN104468556B (en) * | 2014-12-01 | 2018-01-19 | 华为技术有限公司 | The implementation method and equipment of a kind of transmission service |
| CN110958254A (en) * | 2019-12-06 | 2020-04-03 | 号百信息服务有限公司 | Rich media ring system and ring management method in VoLTE network |
| CN111756941A (en) * | 2020-06-23 | 2020-10-09 | 北京握联信息技术有限公司 | Method for controlling data interaction instruction by using INFO message based on SIP protocol |
| CN115277945A (en) * | 2021-04-29 | 2022-11-01 | 华为技术有限公司 | Call processing method and device |
| CN113839959B (en) * | 2021-10-22 | 2023-05-30 | 号百信息服务有限公司 | Method for distinguishing play sound in video early media |
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