CN101321316A - System and method for providing multimedia background music for both call sides - Google Patents
System and method for providing multimedia background music for both call sides Download PDFInfo
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- CN101321316A CN101321316A CNA2008100682522A CN200810068252A CN101321316A CN 101321316 A CN101321316 A CN 101321316A CN A2008100682522 A CNA2008100682522 A CN A2008100682522A CN 200810068252 A CN200810068252 A CN 200810068252A CN 101321316 A CN101321316 A CN 101321316A
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Abstract
The invention provides a method of realizing a multimedia background voice service in an NGN network, which comprises following steps: a calling subscriber calls a called subscriber, wherein the call reaches to an NGN network softswitch device; a multimedia background voice centre is provided, and the NGN network softswitch device routes the call to the multimedia background voice centre; the multimedia background voice centre triggers the multimedia background voice service and processes media negotiation with the calling subscriber and the called subscriber, so as to establish a tripartite meeting of the multimedia background voice centre, the calling subscriber and the called subscriber; the calling subscriber starts to communicate with the called subscriber, the multimedia background voice centre transmits the multimedia background voice to the calling terminal and the called terminal. The method provided by the invention adopts the multimedia background voice centre to establish the tripartite meeting with the calling subscriber and the called subscriber, so as to realize to provide the multimedia background voice for the calling subscriber and the called subscriber in the NGN network.
Description
Technical field
The present invention relates to the communications field, relate in particular to the multimedia background music business among the NGN (Next Generation Network, next-generation communication network) of 3-G (Generation Three mobile communication system) (3G).
Background technology
NGN is a next-generation communication network, is to be core with the soft switch, and the comprehensive open network framework based on group technology of voice, data, video and multimedia service can be provided, and has represented the developing direction of communication network.
In recent years, along with development of telecom technology, personalized telecommunications service are arisen at the historic moment.Multimedia background music business (diversiform telephone services) is as a kind of value-added service in the mobile communication business, be meant that the user is an a background sound of conversation condition enactment in advance, described conversation condition can be the telephone number of conversation object, with described conversation object communication process in, calling subscriber and called subscriber enjoy described background sound simultaneously.But, at present, background sound in global system for mobile communications (GSM), code division multiple access system (CDMA) and fixed communications (PSTN) is based on the arrowband relay transmission and realizes, and the bandwidth of narrow band transmission has only 64K at present, it is difficult to realize the play multimedia background sound, as seen, being unsuitable for NGN is next generation network.
Along with mobile communication from the evolution of 2G to 3G, not only adopted more advanced wideband CDMA technology at wireless system, aspect core network, also just change to packet switching from circuit switching.Based on the trend that Internet and communication network merge, next generation network is that the NGN network has begun to dispose, and can present for the user provides state, colourful multimedia services such as instant message, video conference.
In the NGN network, realize the multimedia background music business, promptly in calling subscriber and called subscriber's communication process, become the task of top priority to both call sides play multimedia background sound.
As seen, prior art has yet to be improved and developed.
Summary of the invention
The objective of the invention is to, a kind of method that realizes the multimedia background music business in the NGN network is provided, be implemented in the NGN network and provide multimedia background music for both call sides.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of method that in the NGN network, realizes the multimedia background music business, it may further comprise the steps:
A, calling subscriber call out the called subscriber, and described calling arrives NGN network Softswitch through IP network;
B, provide a multimedia background music center, NGN network Softswitch routes to described multimedia background music center with described calling;
C, described multimedia background music center trigger multimedia background music professional and and calling subscriber, called subscriber between carry out media negotiation, to set up multimedia background music center, calling subscriber and called subscriber's tripartite talks;
D, calling subscriber and called subscriber begin conversation, and the described multimedia background music of multimedia background music central transmission is given described calling terminal and terminal called.
The described method that in the NGN network, realizes the multimedia background music business, wherein, described calling subscriber customizes a multimedia background music business in advance, in the steps A, the calling subscriber of the described background music service of customizing multimedia in advance calls out the called subscriber, and described calling arrives described NGN network Softswitch.
The described method that in the NGN network, realizes the multimedia background music business, wherein, in the described steps A, described calling subscriber dials before dialing called number and adds a multimedia background music access code, among the step B, NGN network Softswitch judges that according to described multimedia background music access code described calling comprises the described multimedia background music of request, routes to described calling described multimedia background music center then.
The described method that in the NGN network, realizes the multimedia background music business, wherein, described multimedia background music center comprises an application server, among the described step C, the application server at described multimedia background music center triggers described multimedia background music business according to the access code in the described calling.
The described method that in the NGN network, realizes the multimedia background music business, wherein, among the step B, when NGN network Softswitch routes to described multimedia background music center with described calling, provide calling number, called number application server to described multimedia background music center; Among the described step C, the multimedia background music business module of described application server is inquired about the needed multimedia background music of described calling according to described calling number, called number, current date, current time.
The described method that realizes the multimedia background music business in the NGN network, wherein, the multimedia background music center is given described calling subscriber and called subscriber with described multimedia background music by the RTP media flow transmission.
The described method that realizes the multimedia background music business in the NGN network, wherein, among the described step C, described application server inquires the multimedia background music of described needs and removes described access code.
The described method that in the NGN network, realizes the multimedia background music business, wherein, after the described step D, calling subscriber or called subscriber's on-hook, the described multimedia background music of transmission is finished at described multimedia background music center.
The described method that in the NGN network, realizes the multimedia background music business, wherein, described multimedia background music center has a media server, among the step C, media negotiation and set up described tripartite talks between the media server at described multimedia background music center and described calling subscriber, the called subscriber.
The described method that realizes the multimedia background music business in the NGN network, described media negotiation adopts Session Description Protocol.
The method that in the NGN network, realizes the multimedia background music business provided by the invention, adopt a multimedia background music center, this multimedia background music center comprises an application server and media server, its by and calling subscriber, called subscriber between media negotiation, set up tripartite talks between multimedia background music center, calling subscriber, the called subscriber.When calling subscriber and called subscriber converse, the multimedia background music center is transferred to the called subscriber with calling subscriber's voice and multimedia background music audio mixing and with the multimedia background music behind the audio mixing, with called subscriber's voice and multimedia background music audio mixing, and be transferred to the calling subscriber, do not influence both sides' conversation.
Description of drawings
Fig. 1 is the schematic diagram of a kind of NGN network system of providing of the embodiment of the invention;
Fig. 2 is the Signalling exchange schematic diagram that the multimedia background music operational approach is provided in a kind of NGN network of providing of the embodiment of the invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
See also Fig. 1, the schematic diagram of a kind of NGN network system that provides for the embodiment of the invention.
The embodiment of the invention provides the method that multimedia background music is provided for both call sides in a kind of NGN network, is applicable to the multimedia background music business in the NGN network, and described multimedia background music business is the value-added service of NGN network telecommunication service, but not its main business.
Described NGN network system comprises a calling terminal, a terminal called, IP network, a NGN network Softswitch (SS) and a multimedia background music center.
Described multimedia background music center comprises an application server (AS) and a media server (MS).
Calling terminal, terminal called communicate to connect by described IP network and multimedia background music center, NGN network Softswitch respectively.
In the present embodiment, described calling terminal and terminal called are a software terminal (Soft Phone), and it supports SIP (Session Initiation Protocol) agreement respectively;
Described Session Initiation Protocol is a prior art, it is based on IP (Internet Protocol, be procotol) an application layer control protocol, it is based on the signaling protocol of plain text, can manage on the different access networks and meet, described meeting can be the some type communications between the terminal equipment, and for example video, instant messages are handled and met or the instant meeting etc. of cooperating.
Adopt Session Initiation Protocol to carry out alternately between described calling terminal or terminal called and the described NGN network Softswitch (SS), adopt Session Initiation Protocol to carry out alternately between described NGN network Softswitch (SS) and the application server, adopt Session Initiation Protocol or MGCP agreement to carry out alternately between application server and the media server, adopt Real-time Transport Protocol transmitting multimedia background sound between media server and the calling and called terminal.
Described application server (AS) has a multimedia background music business module, and itself and described NGN network Softswitch (SS) and media server (MS) communicate to connect, and adopts the communication of Session Initiation Protocol interactive mode between it; Described media server (MS) is stored some multimedia background musics, its with described application server (AS) between adopt the Session Initiation Protocol interactive mode to communicate by letter, and described media server adopts RTP (Real-Time Transport Protocol, RTP) Media Stream to described terminal use (call subscriber terminal or called user terminal) transmitting multimedia background sound.
Below in conjunction with Fig. 1 and Fig. 2, describe a kind of method that in the NGN network, realizes the multimedia background music business that the embodiment of the invention provides in detail, it may further comprise the steps:
A, calling subscriber call out the called subscriber, and described calling arrives NGN network Softswitch through IP network;
Particularly, described calling subscriber customizes a multimedia background music business in advance, and when described calling subscriber called out the called subscriber, described calling arrived described NGN network Softswitch.
Preferably, described calling subscriber dials before dialing called number and adds a multimedia background music access code to remind the described multimedia background music business that triggers.
B, provide a multimedia background music center, NGN network Softswitch routes to described multimedia background music center with described calling;
Particularly, described NGN network Softswitch judges that according to described multimedia background music access code described calling comprises the request multimedia background music, then described calling is routed to described multimedia background music center, simultaneously, described NGN network Softswitch provides described calling subscriber's number, called subscriber's number to the application server at described multimedia background music center;
C, described multimedia background music center are triggered the multimedia background music business and are communicated to connect the called subscriber, after connecting the called subscriber, carry out media negotiation between described multimedia background music center and calling subscriber, the called subscriber, to set up multimedia background music center, calling subscriber and called subscriber's tripartite talks;
Particularly, the application server at described multimedia background music center triggers described multimedia background music business according to the access code in the described calling.Preferably, described application server has a multimedia background music business module, described multimedia background music business module is according to described calling subscriber's number, called subscriber's number, current date and current time, the needed multimedia background music of corresponding described calling in the multimedia background service of inquiring calling customization.
Be appreciated that media negotiation between the media server at described multimedia background music center and described calling subscriber, the called subscriber and set up described multimedia background music center, calling subscriber and called subscriber's tripartite talks.Particularly, call subscriber terminal is initiated the media negotiation between described call subscriber terminal and the media server, and terminal called is initiated the media negotiation between itself and the media server.
Described media negotiation adopts SDP (Session Description Protocol, Session Description Protocol) agreement to carry out.Described media server is when finishing described media negotiation, respectively with calling subscriber's voice, called subscriber's voice and multimedia background music audio mixing.
D, calling and called user begin conversation, and the multimedia background music behind the described audio mixing of multimedia background music central transmission is given described calling terminal and terminal called respectively.
Preferably, the multimedia background music of the media server at described multimedia background music center after with described audio mixing transfers to described calling subscriber or called subscriber.
Further, after the described step D, calling subscriber or called subscriber's on-hook, the described multimedia background music of transmission is finished at described multimedia background music center.
Below in conjunction with Fig. 2, specify the flow process that in the NGN network, realizes Signalling exchange in the multimedia background music operational approach of the embodiment of the invention.
The calling user dials called number is also dialled before described called number and is added described access code to call out described called subscriber, described calling inserts described SS, described SS is according to described access code, judge that described calling comprises the multimedia background music request, and sending the application server of a call request message 201 to described multimedia background music center, this call request message has calling terminal conversation media Session Description Protocol (SDP) A01.
Described application server is received after the call request message, triggers described multimedia background music business according to described access code.Particularly, described application server is according to rear subscriber number, called number, current date and current time, inquire the needed multimedia background music of described calling, remove described access code then, then, described multimedia server begins and calling subscriber, called subscriber carry out media negotiation and set up tripartite talks between it.The concrete Signalling exchange of described media negotiation is as follows:
Described multimedia server send a call request message 202 to the called subscriber to call out described called subscriber.Clearly, described call request message 202 comprises calling terminal conversation media Session Description Protocol (SDP) A01.
After the called subscriber receives described call request message 202, return a call message 203 to application server, described call message 203 comprises conversation media Session Description Protocol (SDP) A02, and described conversation media Session Description Protocol (SDP) A02 is the media capability after calling terminal conversation media Session Description Protocol (SDP) A01 is consulted.
Application server is sent to calling terminal with the content of described call message 203 after receiving the call message 203 that terminal called returns, the content of described call message 203 is carried by a message 204.Described calling terminal is received after the described message 204, return an acknowledgement message to message 204 (ACK) 205 and give application server, application server sends an acknowledgement message 206 and receives the described call message 203 that described terminal called sends to terminal called to confirm it simultaneously.
The described Signalling exchange of setting up tripartite talks between multimedia server, calling subscriber, the called subscriber is as follows:
Application server sends one to calling terminal asks (REINVITE) message 207 to make a call once more again.
Calling terminal returns a response message (200OK) 208 to reply described (REINVITE) message 207 of request again to application server, and described response message (200OK) 208 is carried calling terminal conversation media Session Description Protocol (SDP) A01.
Application server is after receiving the response message of calling terminal (200OK) 208, send a call setup request message 209 to described media server, described call setup request message 209 carries described calling terminal conversation media Session Description Protocol (SDP) A01 and gives described media server to send described calling terminal conversation media Session Description Protocol (SDP) A01.
Media server is behind the call setup request message 209 of receiving application server, send a call answering message 210 (200OK) and give application server, this call answering message 210 (200OK) is carried conversation media conversation description protocol media server 01, and described conversation media conversation description protocol media server 01 is through the medium after consulting to calling terminal medium SDP A01.
Application server is after receiving media server call answering message 210, give an affirmation of calling terminal loopback (ACK) message 211, medium media server 01 after will consulting in this affirmation (ACK) message 211 carries to calling terminal, then sends an affirmation (ACK) message 212 to the called subscriber.
So far, set up to call out between calling terminal and application server, media server and the application server, and calling terminal and media server finish media negotiation, set up a calling party media passage.
Application server sends notice (INFO) message 213 to media server, carries the CreateAndJoin sign in the xml mode in this notice (INFO) message 213.
After media server is received the INFO 213 of application server, set up the multimedia conferencing chamber according to the CreateAndJoin sign, and caller is joined in the meeting room, and return a notification acknowledgement (200OK) 214 to application server.
Set up to call out between terminal called and the application server, and terminal called and media server finish media negotiation, set up callee's media channel and realize by following Signalling exchange:
Application server sends REINVITE message 215 to terminal called, makes a call once more.
Terminal called sends call answering message (200OK) 216 to application server and carries out call answering, carries the conversation media SDP B01 of terminal called in this response message (200OK) 216
Application server is called out media server once more after receiving the response message of terminal called (200OK) 216, and gives media server with the medium SDP B01 of terminal called.Described calling media server is called out request message 217 by one again and is realized, the medium SDP B01 of terminal called is carried in described calling request message 217 again.
Media server is in the calling of receiving application server again behind the request message 217, send call answering (200OK) message 218 and give application server, carry conversation media SDP media server 02 in this call answering (200OK) message 218, this carries conversation media SDP media server 02 is through the medium after consulting to terminal called medium SDP B01.
Application server is after receiving the call answering message 218 of media server, give an affirmation of terminal called loopback (ACK) message 219, medium media server 2 after will consulting in this affirmation (ACK) message 219 carries to terminal called, then sends an affirmation (ACK) message 220 to media server.So far, set up to call out between terminal called and the application server, and terminal called and media server finish media negotiation, set up described callee's media channel.
Application server sends notice (INFO) message 221 to media server, carries the Join sign in the xml mode in this disappears notice (INFO) message 221.
After media server is received notice (INFO) message 221 of application server, the called subscriber is joined in the described meeting room, give application server loopback Notification Validation (200OK) message 222 then according to the Join sign.
So far, finish media negotiation between calling terminal, terminal called and the media server and set up a calling party media passage and callee's media channel respectively, and calling subscriber, called subscriber join respectively in the meeting room of described media server establishment, make the tripartite talks between calling subscriber, called subscriber and the media server successfully set up, the conversation between calling subscriber and the called subscriber switches to the meeting room of described media server from the medium of its negotiation.
Described application server sends a notice (INFO) message 223 to media server and plays described multimedia background music, the address of carrying the multimedia background music of described broadcast among the xml of this notice (INFO) message 223 with the notice media server.
After described media server is received notice (INFO) message 223 of application server, the background sound address of carrying from notice (INFO) message 223 obtains described multimedia background music, with caller voice, called voice and described multimedia background music audio mixing, a Notification Validation of loopback (200OK) message 224 is given application server behind the described audio mixing respectively.
So far, mode by tripartite talks, respectively caller voice, called voice and multimedia background music are carried out audio mixing, by the Media Stream after calling terminal, terminal called transmit described audio mixing respectively of the media server with meeting room, thereby be implemented in the calling and called communication process, play described multimedia background music to both call sides.
Be appreciated that, the method of the multimedia background music business that in the NGN network, realizes that the embodiment of the invention provides, adopt a multimedia background music center, this multimedia background music center comprises an application server and media server, its by and calling subscriber, called subscriber between media negotiation, set up tripartite talks between multimedia background music center, calling subscriber, the called subscriber.When calling subscriber and called subscriber converse, the multimedia background music center is transferred to the called subscriber with calling subscriber's voice and multimedia background music audio mixing and with the multimedia background music behind the audio mixing, with called subscriber's voice and multimedia background music audio mixing, and be transferred to the calling subscriber, do not influence both sides' conversation.
Concrete enforcement part in the above specification, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (10)
1, a kind of method that in the NGN network, realizes the multimedia background music business, it may further comprise the steps:
A, calling subscriber call out the called subscriber, and described calling arrives NGN network Softswitch;
B, provide a multimedia background music center, NGN network Softswitch routes to described multimedia background music center with described calling;
C, described multimedia background music center trigger multimedia background music professional and and calling subscriber, called subscriber between carry out media negotiation, to set up multimedia background music center, calling subscriber and called subscriber's tripartite talks;
D, calling subscriber and called subscriber begin conversation, and the described multimedia background music of multimedia background music central transmission is given described calling terminal and terminal called.
2, the method that in the NGN network, realizes the multimedia background music business as claimed in claim 1, it is characterized in that, described calling subscriber customizes a multimedia background music business in advance, in the steps A, the calling subscriber of the described background music service of customizing multimedia in advance calls out the called subscriber, and described calling arrives described NGN network Softswitch.
3, the method that in the NGN network, realizes the multimedia background music business as claimed in claim 2, it is characterized in that, in the described steps A, described calling subscriber dials before dialing called number and adds a multimedia background music access code, among the step B, NGN network Softswitch judges that according to described multimedia background music access code described calling comprises the described multimedia background music of request, routes to described calling described multimedia background music center then.
4, the method that in the NGN network, realizes the multimedia background music business as claimed in claim 3, it is characterized in that, described multimedia background music center comprises an application server, among the described step C, the application server at described multimedia background music center triggers described multimedia background music business according to the access code in the described calling.
5, the method that in the NGN network, realizes the multimedia background music business as claimed in claim 4, it is characterized in that, among the step B, when NGN network Softswitch routes to described multimedia background music center with described calling, provide calling number, called number application server to described multimedia background music center; Among the described step C, the multimedia background music business module of described application server is inquired about the needed multimedia background music of described calling according to described calling number, called number, current date, current time.
6, the method that realizes the multimedia background music business in the NGN network as claimed in claim 1 is characterized in that, the multimedia background music center is given described calling subscriber and called subscriber with described multimedia background music by the RTP media flow transmission.
7, the method that realizes the multimedia background music business in the NGN network as claimed in claim 5 is characterized in that among the described step C, described application server inquires the multimedia background music of described needs and removes described access code.
8, the method that realizes the multimedia background music business in the NGN network as claimed in claim 1 is characterized in that, after the described step D, and calling subscriber or called subscriber's on-hook, the described multimedia background music of transmission is finished at described multimedia background music center.
9, the method that in the NGN network, realizes the multimedia background music business as claimed in claim 1, wherein, described multimedia background music center has a media server, among the step C, media negotiation and set up described tripartite talks between the media server at described multimedia background music center and described calling subscriber, the called subscriber.
10, the method that realizes the multimedia background music business in the NGN network as claimed in claim 9, described media negotiation adopts Session Description Protocol.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100682522A CN101321316B (en) | 2008-06-30 | 2008-06-30 | System and method for providing multimedia background music for both call sides |
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| CN2008100682522A CN101321316B (en) | 2008-06-30 | 2008-06-30 | System and method for providing multimedia background music for both call sides |
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| CN101321316A true CN101321316A (en) | 2008-12-10 |
| CN101321316B CN101321316B (en) | 2012-01-11 |
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| CN2008100682522A Expired - Fee Related CN101321316B (en) | 2008-06-30 | 2008-06-30 | System and method for providing multimedia background music for both call sides |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110072021A (en) * | 2014-02-28 | 2019-07-30 | 杜比实验室特许公司 | Mixing continuous perceptually in videoconference |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003214668A1 (en) * | 2003-01-11 | 2004-08-10 | Jin-Ho Lee | Method and system for providing background sound in a telephone call |
| KR100689485B1 (en) * | 2003-11-10 | 2007-03-02 | 삼성전자주식회사 | Background music providing system and method, and portable terminal |
| CN101184127A (en) * | 2004-08-12 | 2008-05-21 | 华为技术有限公司 | Method and system for adding background tone in communication |
| CN101018258A (en) * | 2007-02-14 | 2007-08-15 | 华为技术有限公司 | A method and device for adding the real time background sound in the call |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110072021A (en) * | 2014-02-28 | 2019-07-30 | 杜比实验室特许公司 | Mixing continuous perceptually in videoconference |
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