CN101662850B - Method for realizing video polyphonic ringtone service, device thereof and system thereof - Google Patents

Method for realizing video polyphonic ringtone service, device thereof and system thereof Download PDF

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Publication number
CN101662850B
CN101662850B CN2009101781178A CN200910178117A CN101662850B CN 101662850 B CN101662850 B CN 101662850B CN 2009101781178 A CN2009101781178 A CN 2009101781178A CN 200910178117 A CN200910178117 A CN 200910178117A CN 101662850 B CN101662850 B CN 101662850B
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message
calling party
callee
sends
application server
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CN101662850A (en
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罗旺
张浩军
沈松
卢涛
陈杰
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2010/071118 priority patent/WO2011035567A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42017—Customized ring-back tones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The invention discloses a method for realizing video polyphonic ringtone service, a device thereof and a system thereof, belonging to the field of communication. The method comprises the steps: a soft switch network (SS) receives call by a mobile switching center, converts the call into an invite message, and sends the invite message to a polyphonic ringtone AS, wherein the invite message comprises a video call mark; and the polyphonic ringtone AS triggers a media negotiation to sound reproduction equipment, and sends an invite message which comprises calling party media to the SS; and the soft SS converts the invite message which comprises the calling party media into an initial address message, and sends the initial address message to a called party to have the media negotiation. The SS receives the feedback of the called party by the mobile switching center, converts the feedback into a 180 message, and sends the message which comprises the called party media to the polyphonic ringtone AS; the polyphonic ringtone AS sends the 180 message to the SS, and informs the sound reproduction equipment to reproduce sound to the calling party; and the SS converts the 180 message into a receive confirming message and informs the calling party to receive the sound reproduction from the called party. The invention can realize the requirement of the video polyphonic ringtone for 3G MSC network users.

Description

Realize the methods, devices and systems of video color ring service
Technical field
The present invention relates to belong to the communications field, particularly a kind of methods, devices and systems of realizing video color ring service.
Background technology
The wideband video Ring Back Tone service is one and is based upon conversation initialized protocol (Session InitiationProtocol, SIP) on the basis, merged data, voice and soft switch (Software Switch, SS) system of network, it is the real time business on the present packet-switched domain, it with IP flexibly professional ability be planted among the communication system, greatly promoted the tenability of Ring Back Tone service.
SS Internet video Ring Back Tone service is a business that comparative maturity is stable at present, application is also arranged in existing network, the SS core net can with the third generation (Third Generation, (the Mobile Switching Center of mobile switching centre 3G), MSC) carry out communication, but the user under the MSC network of 3G does not temporarily also support video frequency color ring, therefore, needs the technical scheme that addresses this problem badly.
Summary of the invention
The embodiment of the invention provides a kind of methods, devices and systems of realizing video color ring service, does not temporarily also support the problem of video frequency color ring with the user under the MSC network that solves 3G in the prior art.
In order to address the above problem, the embodiment of the invention provides a kind of methods, devices and systems of realizing video color ring service, and concrete technical scheme is as follows:
A kind of method that realizes video color ring service comprises:
When the caller calls callee, flexible exchanging network receives described calling by mobile switching centre, is to send to the CRBT application server after the invitation message with described Call Transfer, and described invitation message is carried the video call sign;
Described CRBT application server makes described tone playing equipment trigger media negotiation according to described video call sign, and sends the invitation message of carrying calling party media to described flexible exchanging network;
Described flexible exchanging network converts described invitation message of carrying calling party media to and sends to described callee behind the initial address message and carry out media negotiation;
Described flexible exchanging network receives described callee's feedback by described mobile switching centre, sends to described CRBT application server after converting described feedback to ALERTING message and carrying the above callee's media;
Described CRBT application server sends described ALERTING message to described flexible exchanging network, and notifies described tone playing equipment to described calling party's playback;
Described flexible exchanging network converts described ALERTING message to confirmation of receipt message, and notifies described calling party to receive described playback.
A kind of flexible exchanging network comprises:
Receiver module, modular converter and notification module;
Described receiver module is used for receiving described calling by mobile switching centre when the caller calls callee;
Described modular converter, being used for described Call Transfer is to send to the CRBT application server after the invitation message, described invitation message is carried the video call sign;
Described receiver module also is used for receiving the invitation message of carrying calling party media that described CRBT application server sends described CRBT application server makes described tone playing equipment trigger media negotiation according to described video call sign after;
Described modular converter also is used for described invitation message of carrying calling party media converted to and sends to described callee behind the initial address message and carry out media negotiation;
Described receiver module also was used for the feedback that described mobile switching centre receives described callee;
Described modular converter sends to described CRBT application server after also being used for converting described feedback to ALERTING message and carrying the above callee's media;
Described receiver module also is used for receiving the ALERTING message of the media that carry the callee that described CRBT application server sends;
Described modular converter also is used for converting described ALERTING message to confirmation of receipt message;
Described notification module is used for notifying described calling party to receive described playback after described the 4th modular converter is finished conversion.
A kind of application server comprises:
Receiver module, sending module, trigger module and notification module;
Described receiver module is used for receiving the invitation message that flexible exchanging network sends when the caller calls callee, and described invitation message is carried the video call sign, and described invitation message is obtained described Call Transfer by described flexible exchanging network;
Described trigger module is used for making tone playing equipment trigger media negotiation according to described video call sign;
Described sending module is used for after described trigger module triggers media negotiation, sends the invitation message of carrying calling party media to described flexible exchanging network;
Described receiver module also is used for receiving the ALERTING message that described flexible exchanging network sends, and described ALERTING message carries described callee's media, and described ALERTING message is converted to by the described callee's that described flexible exchanging network will receive feedback;
Described sending module also is used for sending described ALERTING message to described flexible exchanging network;
Described notification module is used for notifying described tone playing equipment to described calling party's playback, so that described calling party receives described playback after described sending module sends described ALERTING message.
A kind of system that realizes video color ring service comprises:
CRBT application server, flexible exchanging network and tone playing equipment;
Described flexible exchanging network is used for receiving described calling by mobile switching centre when the caller calls callee, is to send to the CRBT application server after the invitation message with described Call Transfer, and described invitation message is carried the video call sign;
Described CRBT application server is used for making described tone playing equipment trigger media negotiation according to described video call sign, and sends the invitation message of carrying calling party media to described flexible exchanging network;
Described flexible exchanging network also is used for described invitation message of carrying calling party media converted to and sends to described callee behind the initial address message and carry out media negotiation; Receive described callee's feedback by described mobile switching centre, send to described CRBT application server after converting described feedback to ALERTING message and carrying the above callee's media;
Described CRBT application server also is used for sending described ALERTING message to described flexible exchanging network, and notifies described tone playing equipment to described calling party's playback;
Described flexible exchanging network also is used for converting described ALERTING message to confirmation of receipt message, and notifies described calling party to receive described playback.
In embodiments of the present invention, flexible exchanging network is by mobile switching centre's receipt of call, is to send to the CRBT application server after the invitation message with Call Transfer, and described invitation message is carried the video call sign; The CRBT application server triggers media negotiation to tone playing equipment, and sends the invitation message of carrying calling party media to flexible exchanging network; The invitation message that flexible exchanging network will carry calling party media converts to and sends to the callee behind the initial address message and carry out media negotiation.Flexible exchanging network receives described callee's feedback by mobile switching centre, sends to the CRBT application server after converting feedback to ALERTING message and carrying upper callee's media; The CRBT application server sends ALERTING message to flexible exchanging network, and notifies described tone playing equipment to calling party's playback; Flexible exchanging network converts ALERTING message to confirmation of receipt message, and caller notification receives described callee's playback, can realize the MSC network user of 3G to the demand of video frequency color ring, and better CRBT service is provided, and is conducive to professional development.
Description of drawings
Fig. 1 is a kind of flow chart of realizing the method for video color ring service that the embodiment of the invention provides;
Fig. 2 is the structure chart of a kind of flexible exchanging network of providing of the embodiment of the invention;
Fig. 3 is the structure chart of a kind of application server of providing of the embodiment of the invention;
Fig. 4 is a kind of structure chart of realizing the system of video color ring service that the embodiment of the invention provides.
Embodiment
Core concept of the present invention is: flexible exchanging network is by mobile switching centre's receipt of call, is to send to the CRBT application server after the invitation message with Call Transfer, and described invitation message is carried the video call sign; The CRBT application server triggers media negotiation to tone playing equipment, and sends the invitation message of carrying calling party media to flexible exchanging network; The invitation message that flexible exchanging network will carry calling party media converts to and sends to the callee behind the initial address message and carry out media negotiation.Flexible exchanging network receives described callee's feedback by mobile switching centre, sends to the CRBT application server after converting feedback to ALERTING message and carrying upper callee's media; The CRBT application server sends ALERTING message to flexible exchanging network, and notifies described tone playing equipment to calling party's playback; Flexible exchanging network converts ALERTING message to confirmation of receipt message, and caller notification receives described callee's playback, can realize the MSC network user of 3G to the demand of video frequency color ring, and better CRBT service is provided, and is conducive to professional development.
Below in conjunction with accompanying drawing and preferred implementation technical scheme of the present invention is further described in detail.
The embodiment of the invention provides a kind of method that realizes video color ring service, comprising:
When the caller calls callee, flexible exchanging network receives this calling by mobile switching centre, is to send to the CRBT application server after the invitation message with this Call Transfer, and this invitation message is carried the video call sign;
The CRBT application server makes tone playing equipment trigger media negotiation according to the video call sign, and sends the invitation message of carrying calling party media to flexible exchanging network;
The invitation message that flexible exchanging network will carry calling party media converts to and sends to the callee behind the initial address message and carry out media negotiation;
Described flexible exchanging network receives described callee's feedback by mobile switching centre, sends to the CRBT application server after converting feedback to ALERTING message and carrying upper callee's media;
The CRBT application server sends ALERTING message to flexible exchanging network, and the notice tone playing equipment is to calling party's playback;
Flexible exchanging network converts ALERTING message to confirmation of receipt message, and caller notification receives callee's playback.
Below by a concrete example above-described embodiment is described in detail, but this example does not consist of limiting the scope of the invention.Concrete, as shown in Figure 1, comprising:
Step 1: calling party UEA sends to MSCA and sets up (setup) message, and request is set up with callee UEB and called out, and this setup message comprises the number of callee UEB.
Step 2:MSCA receives this setup message, and sends routing inquiry information (Send Routing Info, SRI) message, query routing message to attaching position register (Home LocationRegister, HLR).
Particularly, MSCA sends routing inquiry information to HLR, the inquiry callee UEB video color ring service of whether having contracted.
Step 3-5:HLR returns route messages to MSCA.
Particularly, HLR receives routing inquiry information, determines the callee UEB video color ring service of whether having contracted according to routing inquiry message, if so, then returns route messages to MSCA.
Step 6:MSCA sends to call out to UEA and continues (Call Proceeding) message.
Step 7:MSCA sends beginning address message (Initial AddressMessage, IAM) according to routing iinformation to SS.
Step 8:SS receives IAM message, be that the broadband invites (invite) message to issue CRBT application server (Application Server with this IAM message conversion, AS), carry video call sign clearmode (cleaning module) in this message.
Step 9: CRBT AS receives invite message, and sends not invite message with media to tone playing equipment USS, carries the video call sign in the invite message.
Step 10:USS receives not the invite message with media, and sends 200ok (affirmation) message to CRBT AS.
Particularly, USS judges that according to the video call sign in the invite message this business is video color ring service, so send 200ok message to AS, begins to carry out media negotiation.
Step 11: CRBT AS receives 200ok message, and to the invite message of AS hair band media to SS.
It is that IAM message is issued callee UEB that step 12-16:SS will be with media invite message conversion.
Step 17:UEB returning remind (alert) message is to MSCB.
Step 18:MSCB sends Address Complete Message (Address Complete Message, ACM) message to SS.
Step 19:SS with the ACM message transformation be 180 (ring) message and be with upper media after issue CRBT AS.
Step 20: CRBT AS receives 180 message, and sends ACK message to USS.
Step 21-25: CRBT AS sends invite message to USS, and returns 180 message to SS.And send out info message to USS, USS is to calling party's playback for notice.USS and calling party be by H245 agreement application passage, connecting, and puts the video frequency color ring sound to caller, and USS and UEA can converse.
Step 26-29:SS is ACM message with 180 message transformation, and sends to calling party UEA, caller notification UEA receiver, video CRBT.
Step 30:USS sends 200ok message to CRBT AS after playback is complete.
So far, video color ring service is achieved, and below is the process that how to realize calling party and callee's conversation:
Step 31-32: callee UEB receives calls, and sends to connect (connect) message to MSCB, and MSCB returns ACK message to UEB.
Step 33:MSCB sends response message (Answer Message, ANM) message to SS.
Step 34:SS issues CRBT AS after ANM is converted into 200ok message.
Step 35-38: CRBT AS sends out 200ok message to SS, sends to MSCA after 200ok is converted into ANM, and returns ACK message to CRBT AS, and CRBT AS issues SS with this message.
Step 39: CRBT AS sends out info message to USS, and notice USS and callee UEB connect, and converse by H245 agreement USS and called subscriber.
Owing to be the tripartite talks modes, UEA and UEB just can converse.
Need to prove that calling party and callee can belong to same MSC, also can belong to different MSC.SS also can be identical network, also can be different networks.
The embodiment of the invention also provides a kind of flexible exchanging network, as shown in Figure 2, comprising:
Receiver module, modular converter and notification module;
This receiver module is used for receiving this calling by mobile switching centre when the caller calls callee;
This modular converter, being used for this Call Transfer is to send to the CRBT application server after the invitation message, this invitation message is carried the video call sign;
This receiver module also is used for receiving the invitation message of carrying calling party media that this CRBT application server sends the CRBT application server makes described tone playing equipment trigger media negotiation according to described video call sign after;
This modular converter also is used for this invitation message of carrying calling party media converted to and sends to this callee behind the initial address message and carry out media negotiation;
This receiver module also was used for the feedback that this mobile switching centre receives this callee;
This modular converter sends to this CRBT application server after also being used for converting this feedback to ALERTING message and carrying this callee's media;
This receiver module also be used for to receive the ALERTING message of the media that carry the callee that this CRBT application server sends;
This modular converter also is used for converting this ALERTING message to confirmation of receipt message;
This notification module is used for notifying this calling party to receive this playback after the 4th modular converter is finished conversion.
The embodiment of the invention also provides a kind of application server, as shown in Figure 3, comprising:
Receiver module, sending module, trigger module and notification module;
This receiver module is used for receiving the invitation message that flexible exchanging network sends when the caller calls callee, and this invitation message is carried the video call sign, and this invitation message is obtained this Call Transfer by this flexible exchanging network;
This trigger module is used for making tone playing equipment trigger media negotiation according to described video call sign;
This sending module is used for after this trigger module triggers media negotiation, sends the invitation message of carrying calling party media to this flexible exchanging network;
This receiver module also is used for receiving the ALERTING message that this flexible exchanging network sends, and this ALERTING message carries this callee's media, and this ALERTING message is converted to by this callee's that this flexible exchanging network will receive feedback;
This sending module also is used for sending this ALERTING message to this flexible exchanging network;
This notification module is used for notifying this tone playing equipment to this calling party's playback, so that this calling party receives this playback after this sending module sends this ALERTING message.
Further, this trigger module specifically is used for sending not invitation message with media to this tone playing equipment, and receives the affirmation message that this tone playing equipment sends.
Further, this notification module specifically is used for by sending informational message to this tone playing equipment, notifies this tone playing equipment to this calling party's playback.
The embodiment of the invention provides a kind of system that realizes video color ring service, as shown in Figure 4, comprising:
CRBT application server, flexible exchanging network and tone playing equipment;
This flexible exchanging network is used for receiving this calling by mobile switching centre when the caller calls callee, is to send to the CRBT application server after the invitation message with this Call Transfer, and this invitation message is carried the video call sign;
This CRBT application server is used for making described tone playing equipment trigger media negotiation according to described video call sign, and sends the invitation message of carrying calling party media to this flexible exchanging network;
This flexible exchanging network also is used for this invitation message of carrying calling party media converted to and sends to this callee behind the initial address message and carry out media negotiation; Receive this callee's feedback by this mobile switching centre, send to this CRBT application server after converting this feedback to ALERTING message and carrying this callee's media;
This CRBT application server also is used for sending this ALERTING message to this flexible exchanging network, and notifies this tone playing equipment to this calling party's playback;
This flexible exchanging network also is used for converting this ALERTING message to confirmation of receipt message, and notifies this calling party to receive this playback.
In the technical scheme that above-described embodiment provides, flexible exchanging network is by mobile switching centre's receipt of call, is to send to the CRBT application server after the invitation message with Call Transfer, and described invitation message is carried the video call sign; The CRBT application server triggers media negotiation to tone playing equipment, and sends the invitation message of carrying calling party media to flexible exchanging network; The invitation message that flexible exchanging network will carry calling party media converts to and sends to the callee behind the initial address message and carry out media negotiation.Flexible exchanging network receives described callee's feedback by mobile switching centre, sends to the CRBT application server after converting feedback to ALERTING message and carrying upper callee's media; The CRBT application server sends ALERTING message to flexible exchanging network, and notifies described tone playing equipment to calling party's playback; Flexible exchanging network converts ALERTING message to confirmation of receipt message, and caller notification receives described callee's playback, can realize the MSC network user of 3G to the demand of video frequency color ring, and better CRBT service is provided, and is conducive to professional development.
Above-mentioned explanation illustrates and has described a preferred embodiment of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to the disclosed form of this paper, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can in invention contemplated scope described herein, change by technology or the knowledge of above-mentioned instruction or association area.And the change that those skilled in the art carry out and variation do not break away from the spirit and scope of the present invention, then all should be in the protection range of the appended claim of the present invention.

Claims (8)

1. a method that realizes video color ring service is characterized in that, comprising:
When the caller calls callee, flexible exchanging network receives initial address message by the mobile switching centre under the described calling party, send to the CRBT application server after this initial address message is converted to invitation message, described invitation message is carried the video call sign, wherein, described initial address message is to send behind the callee's that gets access to the video color ring service of having contracted from attaching position register of mobile switching centre under the described calling party the routing iinformation;
Described CRBT application server makes tone playing equipment trigger media negotiation according to described video call sign, and sends the invitation message of carrying calling party media to described flexible exchanging network;
Described flexible exchanging network converts described invitation message of carrying calling party media to and sends to described callee behind the initial address message and carry out media negotiation;
Described flexible exchanging network receives described callee's feedback by the mobile switching centre under the described callee, sends to described CRBT application server after converting described feedback to ALERTING message and carrying the above callee's media;
Described CRBT application server sends described ALERTING message to described flexible exchanging network, and notifies described tone playing equipment to described calling party's playback;
Described flexible exchanging network converts described ALERTING message to Address Complete Message, and notifies described calling party to receive described playback;
Wherein, described calling party and described callee are positioned at mobile switching centre's network of third generation 3G.
2. the method for claim 1 is characterized in that, described CRBT application server makes described tone playing equipment trigger media negotiation according to described video call sign, comprising:
Described CRBT application server sends described video call sign to described tone playing equipment, makes described tone playing equipment carry out media negotiation according to the video call sign, and receives the affirmation message that described tone playing equipment sends.
3. the method for claim 1 is characterized in that, described CRBT application server notifies described tone playing equipment to described calling party's playback by sending informational message to described tone playing equipment.
4. a flexible exchanging network is characterized in that, comprising:
Receiver module, modular converter and notification module;
Described receiver module, be used for when the caller calls callee, receive initial address message by the mobile switching centre under the described calling party, wherein, described initial address message is to send behind the callee's that gets access to the video color ring service of having contracted from attaching position register of the mobile switching centre under the described calling party the routing iinformation, and described calling party and described callee are positioned at mobile switching centre's network of third generation 3G;
Described modular converter sends to the CRBT application server after this initial address message is converted to invitation message, described invitation message is carried the video call sign;
Described receiver module also is used for receiving the invitation message of carrying calling party media that described CRBT application server sends the CRBT application server makes tone playing equipment trigger media negotiation according to described video call sign after;
Described modular converter also is used for described invitation message of carrying calling party media converted to and sends to described callee behind the initial address message and carry out media negotiation;
Described receiver module is also for the feedback that receives described callee by the mobile switching centre under the described callee;
Described modular converter sends to described CRBT application server after also being used for converting described feedback to ALERTING message and carrying the above callee's media;
Described receiver module also is used for receiving the ALERTING message of the media that carry the callee that described CRBT application server sends;
Described modular converter also is used for converting described ALERTING message to confirmation of receipt message;
Described notification module is used for notifying described calling party to receive playback after described modular converter is finished described ALERTING message conversion.
5. an application server is characterized in that, comprising:
Receiver module, sending module, trigger module and notification module;
Described receiver module, be used for when the caller calls callee, receive the invitation message that flexible exchanging network sends, described invitation message is carried the video call sign, described invitation message is converted to the initial address message that the mobile switching centre under the described calling party sends by described flexible exchanging network, wherein, described initial address message is to send behind the callee's that gets access to the video color ring service of having contracted from attaching position register of the mobile switching centre under the described calling party the routing iinformation, and described calling party and described callee are positioned at mobile switching centre's network of third generation 3G;
Described trigger module is used for making tone playing equipment trigger media negotiation according to described video call sign;
Described sending module is used for after described trigger module triggers media negotiation, sends the invitation message of carrying calling party media to described flexible exchanging network;
Described receiver module also is used for receiving the ALERTING message that described flexible exchanging network sends, and described ALERTING message carries described callee's media, and described ALERTING message is converted to by the described callee's that described flexible exchanging network will receive feedback;
Described sending module also is used for sending described ALERTING message to described flexible exchanging network;
Described notification module is used for notifying described tone playing equipment to described calling party's playback, so that described calling party receives described playback after described sending module sends described ALERTING message.
6. application server as claimed in claim 5 is characterized in that, described trigger module specifically is used for making described tone playing equipment trigger media negotiation according to described video call sign, and receives the affirmation message that described tone playing equipment sends.
7. application server as claimed in claim 5 is characterized in that, described notification module specifically is used for by sending informational message to described tone playing equipment, notifies described tone playing equipment to described calling party's playback.
8. a system that realizes video color ring service is characterized in that, comprising:
CRBT application server, flexible exchanging network and tone playing equipment;
Wherein, described flexible exchanging network comprises: receiver module is used for receiving initial address message by the mobile switching centre under the described calling party when the caller calls callee; Modular converter, after being converted to invitation message, this initial address message sends to the CRBT application server, described invitation message is carried the video call sign, wherein, described initial address message is to send behind the callee's that gets access to the video color ring service of having contracted from attaching position register of the mobile switching centre under the described calling party the routing iinformation, and described calling party and described callee are positioned at mobile switching centre's network of third generation 3G;
Described CRBT application server comprises: trigger module is used for making described tone playing equipment trigger media negotiation according to described video call sign; Sending module is used for after described trigger module triggers media negotiation, sends the invitation message of carrying calling party media to described flexible exchanging network;
The described modular converter of described flexible exchanging network also is used for described invitation message of carrying calling party media converted to and sends to described callee behind the initial address message and carry out media negotiation; The described receiver module of described flexible exchanging network also is used for receiving by the mobile switching centre under the described callee described callee's feedback; The described modular converter of described flexible exchanging network sends to described CRBT application server after also being used for converting described feedback to ALERTING message and carrying the above callee's media;
The described sending module of described CRBT application server also is used for sending described ALERTING message to described flexible exchanging network; The notification module of described CRBT application server is used for notifying described tone playing equipment to described calling party's playback after described sending module sends described ALERTING message;
The described modular converter of described flexible exchanging network also is used for converting described ALERTING message to confirmation of receipt message, and the notification module of described flexible exchanging network notifies described calling party to receive described playback after finishing described ALERTING message conversion for described modular converter.
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PCT/CN2010/071118 WO2011035567A1 (en) 2009-09-23 2010-03-18 Method, apparatus and system for implementing video color ring back tone service

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CN102724640B (en) * 2012-05-30 2018-06-01 中兴通讯股份有限公司 The implementation method of video frequency color ring, apparatus and system

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