CN101321316B - 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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- CN101321316B CN101321316B CN2008100682522A CN200810068252A CN101321316B CN 101321316 B CN101321316 B CN 101321316B CN 2008100682522 A CN2008100682522 A CN 2008100682522A CN 200810068252 A CN200810068252 A CN 200810068252A CN 101321316 B CN101321316 B CN 101321316B
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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, the multimedia background music that relates in particular among the NGN (Next Generation Network, next-generation communication network) of 3-G (Generation Three mobile communication system) (3G) is professional.
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 professional (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; Said conversation condition can be the telephone number of conversation object; With said conversation object communication process in, calling subscriber and called subscriber enjoy said 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, and it is difficult to realize the play multimedia background sound; It is thus clear that being inappropriate 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 appear for the user provides state, colourful multimedia services such as instant message, video conference.
Realize that in the NGN network multimedia background music is professional, promptly in calling subscriber and called subscriber's communication process, become the task of top priority to both call sides play multimedia background sound.
It is thus clear that prior art awaits to improve and development.
Summary of the invention
The objective of the invention is to, a kind of method that multimedia background music is professional that in the NGN network, realizes is provided, be implemented in the NGN network and multimedia background music be provided for both call sides.
For solving the problems of the technologies described above, technical scheme of the present invention is following:
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 said calling arrives NGN network Softswitch through IP network;
B, a multimedia background music center is provided, NGN network Softswitch routes to said multimedia background music center with said calling;
C, said 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; Comprise: set up between calling terminal and the multimedia background music center and call out; And media negotiation is accomplished at calling terminal and multimedia background music center, sets up a calling party media passage; The multimedia conferencing chamber is set up at the multimedia background music center, and the calling subscriber is joined in the meeting room; Set up between terminal called and the multimedia background music center and call out, and terminal called and multimedia background music center completion media negotiation, callee's media channel set up; The multimedia background music center joins the called subscriber in the said meeting room;
D, calling subscriber and called subscriber begin conversation, and the said multimedia background music of multimedia background music central transmission is given said calling terminal and terminal called.
The described method that in the NGN network, realizes the multimedia background music business; Wherein, Said calling subscriber customizes a multimedia background music business in advance; In the steps A, the calling subscriber of the said background music service of customizing multimedia in advance calls out the called subscriber, the said NGN network of said call arrival Softswitch.
The described method that in the NGN network, realizes the multimedia background music business; Wherein, In the said steps A, said 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 said multimedia background music access code said calling comprises the said multimedia background music of request, routes to said multimedia background music center with said calling then.
The described method that in the NGN network, realizes the multimedia background music business; Wherein, Said multimedia background music center comprises an application server; Among the said step C, it is professional that the application server at said multimedia background music center triggers said multimedia background music according to the access code in the said 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 said multimedia background music center with said calling, calling number, the called number application server to said multimedia background music center is provided; Among the said step C, the multimedia background music business module of said application server is inquired about the needed multimedia background music of said calling according to said calling number, called number, current date, current time.
The described method that in the NGN network, realizes the multimedia background music business, wherein, the multimedia background music center is given said calling subscriber and called subscriber with said multimedia background music through the RTP media flow transmission.
The described method that in the NGN network, realizes the multimedia background music business, wherein, among the said step C, said application server inquires the multimedia background music of said needs and removes said access code.
The described method that in the NGN network, realizes the multimedia background music business, wherein, after the said step D, calling subscriber or called subscriber's on-hook, the said multimedia background music of transmission is finished at said multimedia background music center.
The described method that in the NGN network, realizes the multimedia background music business; Wherein, Said multimedia background music center has a media server; Among the step C, media negotiation and set up said tripartite talks between the media server at said multimedia background music center and said calling subscriber, the called subscriber.
The described method that multimedia background music is professional, the said media negotiation employing Session Description Protocol in the NGN network, realized.
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 through 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 sketch map of a kind of NGN network system of providing of the embodiment of the invention;
Fig. 2 is a Signalling exchange sketch map of realizing the multimedia background music operational approach in a kind of NGN network of providing of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
See also Fig. 1, the sketch map of a kind of NGN network system that provides for the embodiment of the invention.
The embodiment of the invention provides in a kind of NGN network the method that multimedia background music is provided for both call sides, is applicable to that the multimedia background music in the NGN network is professional, and said multimedia background music business is the value-added service of NGN network telecommunication service, but not its main business.
Said NGN network system comprises a calling terminal, a terminal called, IP network, a NGN network Softswitch (SS) and a multimedia background music center.
Said multimedia background music center comprises an application server (AS) and a media server (MS).
Calling terminal, terminal called are communicated by letter and are connected with multimedia background music center, NGN network Softswitch through said IP network respectively.
In the present embodiment, said calling terminal and terminal called are a software terminal (Soft Phone), and it supports SIP (Session Initiation Protocol) agreement respectively;
Said 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; Said 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 said calling terminal or terminal called and the said NGN network Softswitch (SS); Adopt Session Initiation Protocol to carry out alternately between said 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.
Said application server (AS) has a multimedia background music business module, and communication is connected with media server (MS) with said NGN network Softswitch (SS) for it, adopts the communication of Session Initiation Protocol interactive mode between it; Said media server (MS) is stored some multimedia background musics; Its with said application server (AS) between adopt the Session Initiation Protocol interactive mode to communicate by letter; And said media server adopts RTP (Real-Time Transport Protocol, RTP) Media Stream to said terminal use (call subscriber terminal or called user terminal) transmitting multimedia background sound.
Below in conjunction with Fig. 1 and Fig. 2, specify a kind of method that in the NGN network, realizes the multimedia background music business that the embodiment of the invention provides, it may further comprise the steps:
A, calling subscriber call out the called subscriber, and said calling arrives NGN network Softswitch through IP network;
Particularly, said calling subscriber customizes a multimedia background music business in advance, when said calling subscriber calls out the called subscriber, and the said NGN network of said call arrival Softswitch.
Preferably, said calling subscriber dials before dialing called number and adds a multimedia background music access code to remind the said multimedia background music business that triggers.
B, a multimedia background music center is provided, NGN network Softswitch routes to said multimedia background music center with said calling;
Particularly; Said NGN network Softswitch judges that according to said multimedia background music access code said calling comprises the request multimedia background music; Then said calling is routed to said multimedia background music center; Simultaneously, said NGN network Softswitch said calling subscriber is provided number, called subscriber's number to the application server at said multimedia background music center;
Professional and the communication connection called subscriber of multimedia background music is triggered at C, said multimedia background music center; After connecting the called subscriber; Carry out media negotiation between said 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, to trigger said multimedia background music according to the access code in the said calling professional for the application server at said multimedia background music center.Preferably; Said application server has a multimedia background music business module; Said multimedia background music business module is according to said calling subscriber's number, called subscriber's number, current date and current time, the needed multimedia background music of corresponding said calling in the multimedia background service of inquiring calling customization.
Be appreciated that media negotiation between media server and said calling subscriber, the called subscriber at said multimedia background music center and set up said multimedia background music center, calling subscriber and called subscriber's tripartite talks.Particularly, call subscriber terminal is initiated the media negotiation between said call subscriber terminal and the media server, and terminal called is initiated the media negotiation between itself and the media server.
Said media negotiation adopts SDP (Session Description Protocol, Session Description Protocol) agreement to carry out.Said media server is when accomplishing said 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 said audio mixing of multimedia background music central transmission is given said calling terminal and terminal called respectively.
Preferably, the multimedia background music of the media server at said multimedia background music center after with said audio mixing transfers to said calling subscriber or called subscriber.
Further, after the said step D, calling subscriber or called subscriber's on-hook, the said multimedia background music of transmission is finished at said 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 said called number and is added said access code to call out said called subscriber; Said calling inserts said SS; Said SS is according to said access code; Judge that said calling comprises the multimedia background music request, and send the application server that a call request message 201 is given said multimedia background music center, this call request message has calling terminal conversation media Session Description Protocol (SDP) A01.
Said application server receives after the call request message that it is professional to trigger said multimedia background music according to said access code.Particularly; Said application server is according to rear subscriber number, called number, current date and current time; Inquire the needed multimedia background music of said calling; Remove said access code then, then, said multimedia server begins and calling subscriber, called subscriber carry out media negotiation and set up tripartite talks between it.The concrete Signalling exchange of said media negotiation is following:
Said multimedia server sends a call request message 202 and gives the called subscriber to call out said called subscriber.Clearly, said call request message 202 comprises calling terminal conversation media Session Description Protocol (SDP) A01.
After the called subscriber receives said call request message 202; Return a call message 203 to application server; Said call message 203 comprises conversation media Session Description Protocol (SDP) A02, and said 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 said call message 203 after receiving the call message 203 that terminal called returns, the content of said call message 203 is carried by a message 204.Said calling terminal is received after the said message 204; Return an acknowledgement message to message 204 (ACK) 205 and give application server, application server sends an acknowledgement message 206 and gives the said call message 203 of terminal called to confirm that it receives said terminal called transmission simultaneously.
The said Signalling exchange of setting up tripartite talks between multimedia server, calling subscriber, the called subscriber is following:
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 said (REINVITE) message 207 of request again to application server, and said 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 and give said media server, said call setup request message 209 carries said calling terminal conversation media Session Description Protocol (SDP) A01 and gives said media server to send said calling terminal conversation media Session Description Protocol (SDP) A01.
Media server is behind the call setup request message of receiving application server 209; 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 said 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 in this affirmation (ACK) message 211, will consulting carries to calling terminal, then sends an affirmation (ACK) message 212 to the called subscriber.
So far, set up between calling terminal and application server, media server and the application server and call out, and calling terminal and media server completion media negotiation, a calling party media passage set up.
Application server sends notice (INFO) message 213 to media server, in this notice (INFO) message 213, carries the CreateAndJoin sign with the xml mode.
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 between terminal called and the application server and call out, and terminal called and media server completion 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.Said 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 said 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 in this affirmation (ACK) message 219, will consulting carries to terminal called, then sends an affirmation (ACK) message 220 to media server.So far, set up between terminal called and the application server and call out, and terminal called and media server completion media negotiation, said callee's media channel set up.
Application server sends notice (INFO) message 221 to media server, in this disappears notice (INFO) message 221, carries the Join sign with the xml mode.
After media server is received notice (INFO) message 221 of application server, the called subscriber is joined in the said meeting room, give application server loopback Notification Validation (200OK) message 222 then according to the Join sign.
So far; Accomplish 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 said 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 said media server from the medium of its negotiation.
Said application server sends a notice (INFO) message 223 to media server and plays said multimedia background music with the notice media server, takes the address of the multimedia background music of said broadcast among the xml of this notice (INFO) message 223.
After said media server is received notice (INFO) message 223 of application server; The background sound address of from notice (INFO) message 223, carrying obtains said multimedia background music; With caller voice, called voice and said multimedia background music audio mixing, a Notification Validation of loopback (200OK) message 224 is given application server behind the said audio mixing respectively.
So far; Mode through 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 said audio mixing respectively of the media server with meeting room, thereby be implemented in the calling and called communication process, play said 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 through 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.
Practical implementation part in the above specification; It only is preferred embodiment of the present invention; Not being that the present invention is done any pro forma restriction, though the present invention with the preferred embodiment exposure as above, yet is not in order to limit the present invention; Anyly be familiar with the professional and technical personnel; In not breaking away from technical scheme scope of the present invention, when the method for above-mentioned announcement capable of using and technology contents are made a little change or are modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical scheme of the present invention;, all still belong in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (10)
1. in the NGN network, realize the method that multimedia background music is professional for one kind, it may further comprise the steps:
A, calling subscriber call out the called subscriber, said call arrival NGN network Softswitch;
B, a multimedia background music center is provided, NGN network Softswitch routes to said multimedia background music center with said calling;
C, said 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; Comprise: set up between calling terminal and the multimedia background music center and call out; And media negotiation is accomplished at calling terminal and multimedia background music center, sets up a calling party media passage; The multimedia conferencing chamber is set up at the multimedia background music center, and the calling subscriber is joined in the meeting room; Set up between terminal called and the multimedia background music center and call out, and terminal called and multimedia background music center completion media negotiation, callee's media channel set up; The multimedia background music center joins the called subscriber in the said meeting room;
D, calling subscriber and called subscriber begin conversation, and the said multimedia background music of multimedia background music central transmission is given said 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; Said calling subscriber customizes a multimedia background music business in advance; In the steps A, the calling subscriber of the said background music service of customizing multimedia in advance calls out the called subscriber, the said NGN network of said call arrival 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 said steps A, said 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 said multimedia background music access code said calling comprises the said multimedia background music of request, routes to said multimedia background music center with said calling 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; Said multimedia background music center comprises an application server; Among the said step C, it is professional that the application server at said multimedia background music center triggers said multimedia background music according to the access code in the said 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 said multimedia background music center with said calling, calling number, the called number application server to said multimedia background music center is provided; Among the said step C, the multimedia background music business module of said application server is inquired about the needed multimedia background music of said calling according to said calling number, called number, current date, current time.
6. the method that in the NGN network, realizes the multimedia background music business as claimed in claim 1 is characterized in that the multimedia background music center is given said calling subscriber and called subscriber with said multimedia background music through the RTP media flow transmission.
7. the method that in the NGN network, realizes the multimedia background music business as claimed in claim 5 is characterized in that among the said step C, said application server inquires the multimedia background music of said needs and removes said access code.
8. the method that in the NGN network, realizes the multimedia background music business as claimed in claim 1 is characterized in that, after the said step D, and calling subscriber or called subscriber's on-hook, the said multimedia background music of transmission is finished at said multimedia background music center.
9. the method that in the NGN network, realizes the multimedia background music business as claimed in claim 1; Wherein, Said multimedia background music center has a media server; Among the step C, media negotiation and set up said tripartite talks between the media server at said multimedia background music center and said calling subscriber, the called subscriber.
10. the method that multimedia background music is professional, the said media negotiation employing Session Description Protocol in the NGN network, realized as claimed in claim 9.
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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 CN101321316A (en) | 2008-12-10 |
| CN101321316B true CN101321316B (en) | 2012-01-11 |
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| US10009475B2 (en) * | 2014-02-28 | 2018-06-26 | Dolby Laboratories Licensing Corporation | Perceptually continuous mixing in a teleconference |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004064360A1 (en) * | 2003-01-11 | 2004-07-29 | Jin-Ho Lee | Method and system for providing background sound in a telephone call |
| CN1617618A (en) * | 2003-11-10 | 2005-05-18 | 三星电子株式会社 | System and method for providing background music |
| 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 |
| 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 |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004064360A1 (en) * | 2003-01-11 | 2004-07-29 | Jin-Ho Lee | Method and system for providing background sound in a telephone call |
| CN1617618A (en) * | 2003-11-10 | 2005-05-18 | 三星电子株式会社 | System and method for providing background music |
| 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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