WO2011035567A1 - 实现视频彩铃业务的方法、装置和系统 - Google Patents

实现视频彩铃业务的方法、装置和系统 Download PDF

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Publication number
WO2011035567A1
WO2011035567A1 PCT/CN2010/071118 CN2010071118W WO2011035567A1 WO 2011035567 A1 WO2011035567 A1 WO 2011035567A1 CN 2010071118 W CN2010071118 W CN 2010071118W WO 2011035567 A1 WO2011035567 A1 WO 2011035567A1
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WIPO (PCT)
Prior art keywords
message
network
uss
crbt
media
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PCT/CN2010/071118
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English (en)
French (fr)
Inventor
罗旺
张浩军
沈松
卢涛
陈杰
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中兴通讯股份有限公司
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Publication of WO2011035567A1 publication Critical patent/WO2011035567A1/zh

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Classifications

    • 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

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, apparatus, and system for implementing a video ring back tone service. Background technique
  • the broadband video ring back tone service is a system based on the Session Initiation Protocol (SIP), which combines data, voice and softswitch (SS) networks. It is a real-time service on the packet switched domain.
  • IP Session Initiation Protocol
  • SS softswitch
  • IP flexible service capability is rooted in the communication system, which greatly enhances the support capability of the CRBT service.
  • the video ring back tone service of the SS network is a relatively mature and stable service, and is also applied in the existing network.
  • the SS core network can communicate with the Mobile Switching Center (MSC) in the third generation (Third Generation, 3G) communication system, the users under the MSC of the 3G communication system cannot support the video ring back tone for the time being, therefore, There is an urgent need to solve the technical solution to this problem. Summary of the invention
  • the main purpose of the present invention is to provide a method, an apparatus, and a system for implementing a video ring back tone service, so as to solve the problem that a user under the MSC of the 3G communication system in the prior art cannot support the video color ring back tone.
  • a method for implementing a video ring back tone service includes:
  • the Softswitch (SS) network receives the call through the Mobile Switching Center (MSC) and triggers the call to the CRBT Application Server (AS);
  • the CRBT AS triggers media negotiation with the playback device (USS), and the CRBT AS, SS network, and MSC jointly complete media negotiation with the called party and the calling party.
  • the CRBT notifies the USS to play a video ring back tone to the calling party, and notifies the calling party to receive the video ring back tone through the SS network.
  • the SS network triggers the call to the CRBT AS, and the method includes: after the SS network receives the call through the MSC, the call is converted into an invite message and sent to the CRBT AS, where the invite message carries a video call identifier.
  • the CRBT AS, the SS network, and the MSC jointly complete media negotiation with the called party, and specifically includes:
  • the CRBT receives the confirmation message of the media carrying the USS sent by the USS, and sends an invitation message of the media carrying the USS to the SS network, after the media negotiation is triggered by the USS.
  • the SS network converts the invitation message of the media carrying the USS into an initial address message (IMM), and sends the message to the called party for media negotiation;
  • IMM initial address message
  • the SS network receives the feedback of the called party through the MSC, converts the feedback into a ringing message, and carries the negotiated media and sends the message to the CRBT AS;
  • the AS sends a confirmation message carrying the negotiated media to the USS.
  • the CRBT AS, the SS network, and the MSC jointly complete the media negotiation with the calling party, and the CRBT AS notifies the calling party to receive the video ring back tone through the SS network, which specifically includes:
  • the CRBT sends an invite message carrying the media of the calling party to the USS, and receives an acknowledgement message carrying the negotiated media.
  • the ring back tone AS sends a ringing message carrying the negotiated media to the SS network, and the SS network converts the ringing message into an address full message (ACM) carrying the negotiated media, informing the calling party to receive the video ring back tone.
  • ACM address full message
  • the CRBT AS notifies the USS to the calling party by sending an information message to the USS. Play the video ring tones.
  • a softswitch network system comprising:
  • a receiving module configured to: when the calling party calls the called party, receive the call by using the MSC; the converting module is configured to trigger the call to the CRBT AS, and complete the media with the called party and the calling party together with the CRBT AS and the MSC Negotiate
  • the notification module is configured to notify the calling party to receive the video ring back tone.
  • the converting module is specifically configured to send the call into an invitation message and send the message to the AS, where the invitation message carries a video call identifier;
  • the receiving module is specifically configured to: after the CRBT AS triggers the media negotiation according to the video call sign, to receive an invitation message of the media carrying the USS sent by the CRBT AS;
  • the conversion module is specifically configured to convert the invitation message of the USS-capable media into an IAM and send the message to the called party for media negotiation.
  • the receiving module is specifically configured to receive, by using an MSC, feedback of the called party;
  • the conversion module is specifically configured to convert the feedback into a ringing message and carry the negotiated media and send the message to the CRBT AS;
  • the receiving module is specifically configured to receive a ringing message sent by the CRBT AS that carries the negotiated media;
  • the notification module is specifically configured to convert the ringing message into an ACM that carries the negotiated media, and notify the calling party to receive the video ring back tone.
  • a CRBT application server including:
  • a receiving module configured to receive a call triggered by the SS network
  • a sending module and a receiving module configured to perform media negotiation with the called party and the calling party together with the SS network and the MSC;
  • a triggering module configured to trigger media negotiation to the USS
  • the notification module is configured to notify the USS to play the video ring back tone to the calling party.
  • the receiving module is specifically configured to: when the calling party calls the called party, receive an invite message sent by the SS network, where the invite message carries a video call sign, where the invite message is
  • the SS network converts the call
  • the triggering module is specifically configured to trigger media negotiation according to the video call sign to the USS.
  • the sending module is specifically configured to: after the triggering module triggers media negotiation, send an invitation message of the media carrying the USS to the SS network;
  • the receiving module is specifically configured to receive a ringing message sent by the SS network, where the ringing message carries the negotiated media, and the ringing message is converted by the SS network to receive the received party's feedback; the sending module Specifically, the method is used to send the ringing message to an SS network.
  • the notification module is specifically configured to notify after the sending module sends the ringing message
  • the USS plays the video ring tones to the calling party.
  • the notification module is specifically configured to notify the USS to play a video ring back tone to the calling party by sending an information message to the USS.
  • a system for implementing a video ring back tone service includes:
  • the SS network is configured to receive a call through the MSC, and trigger the call to the CRBT AS, and complete media negotiation with the called party and the calling party together with the CRBT AS and the MSC;
  • the ring back tone AS is used to trigger media negotiation with the USS, complete the media negotiation with the SS network and the MSC, and notify the USS to play the video ring back tone to the calling party, and notify the calling party to receive the video through the SS network.
  • Color ring
  • USS used to play video ring tones to the calling party.
  • the SS network is specifically configured to: when the calling party calls the called party, receive the call by using the MSC, convert the call into an invitation message, and send the call to the CRBT AS, where the invitation message carries the video call sign. ;
  • the CRBT AS is specifically configured to trigger media negotiation according to the video call flag to the USS, and send an invitation message of the media carrying the USS to the SS network.
  • the SS network is specifically configured to convert the invitation message of the USS-capable media into an IAM, send it to the called party for media negotiation, and receive feedback from the called party through the MSC, and convert the feedback into ringing. The message is sent to the CRBT AS after the negotiated media is carried;
  • the CRBT AS is specifically configured to send the ringing message to the SS network, and notify the USS to play a video ring back tone to the calling party.
  • the SS network is specifically configured to convert the ringing message into an ACM, and notify the calling party to receive the video ring back tone.
  • the SS network receives the call through the MSC, and triggers the call to the CRBT AS; the CRBT AS triggers the media negotiation with the USS, and the CRBT AS, the SS network, and the MSC jointly complete the media negotiation with the called party and the calling party.
  • the color ring AS notifies the USS to play the video ring back tone to the calling party, and notifies the calling party to receive the video ring back tone through the SS network, which can realize the demand for the video color ring back tone of the user in the MSC of the 3G communication system, and can provide a better color ring back tone service. , very conducive to the development of color ring tones business.
  • FIG. 1 is a schematic flowchart of a method for implementing a video ring back tone service according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of an SS network system according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a color ring tone AS according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a system for implementing a video ring back tone service according to an embodiment of the present invention. detailed description
  • the SS network receives the call through the MSC, and triggers the call to the CRBT application server (Application Server, AS); the CRBT AS triggers the media negotiation to the playback device (USS), and the CRBT AS, the SS network, and the MSC jointly The media negotiation with the called party and the calling party is completed; the CRBT AS notifies the USS to play the video ring back tone to the calling party, and connects the calling party through the SS network port to the ⁇ : video ring back tone.
  • the SS network triggers the call to the CRBT AS.
  • the SS network sends the call to the CRBT after the call is received by the MSC.
  • the call message carries the video call identifier.
  • the CRBT AS, the SS network, and the MSC jointly complete the media negotiation with the called party.
  • the CRBT AS receives the media confirmation message sent by the USS and sends the packet to the SS network.
  • the invitation message of the media of the USS; the SS network converts the invitation message of the media carrying the USS into an Initial Address Message (I AM ) and sends it to the called party for media negotiation; the SS network receives the called party through the MSC.
  • the feedback is converted into a ringing message and carried to the negotiated media and sent to the CRBT AS.
  • the CRBT AS sends a confirmation message carrying the negotiated media to the USS.
  • the CRBT AS, the SS network, and the MSC jointly complete the media negotiation with the calling party, and the CRBT AS notifies the calling party to receive the video CRBT through the SS network, specifically: the CRBT AS sends an invitation message carrying the media of the calling party to the USS, and Receiving a confirmation message carrying the negotiated media; the CRBT AS sends a ringing message carrying the negotiated media to the SS network; the SS network converts the ringing message into an Address Complete Message (ACM) carrying the negotiated media.
  • ACM Address Complete Message
  • the calling party is connected to the ⁇ : video ring tones.
  • the user's demand for video ring back tones in the MSC of the 3G communication system can be realized, and a better CRBT service can be provided, which is beneficial to the development of the service.
  • An embodiment of the present invention provides a method for implementing a video ring back tone service, including:
  • the SS network When the calling party calls the called party, the SS network receives the call through the MSC, converts the call into an invitation message, and sends the call to the CRBT AS, where the invite message carries the video call sign;
  • the CRBT AS triggers media negotiation to the USS according to the video call sign, and sends an invitation message of the media carrying the USS to the SS network;
  • the SS network converts the invitation message of the media carrying the USS into an IAM and sends it to the called party for media negotiation;
  • the SS network receives the feedback of the called party through the MSC, converts the feedback into a ringing message, and carries the negotiated media and sends the message to the CRBT AS;
  • the ring back tone AS sends a ringing message to the SS network, and notifies the USS to play the video ring back tone to the calling party; the SS network converts the ringing message into a receiving confirmation message, and notifies the calling party to receive the video ring back tone.
  • Step 1 The calling party UE-A sends a setup message to the MSC-A requesting to establish a call with the called party UE-B, the setup message including the number of the called party UE-B.
  • Step 2 MSC-A receives the setup message and goes to the home location register (Home Location)
  • HLR Sends a Routing Information (SRI) message to query the routing message.
  • SRI Routing Information
  • the MSC-A sends a route query information message to the HLR, queries the called party UE-B in the MSC-B, and queries whether the UE-B has subscribed to the video ring back tone service.
  • Step 3 The HLR returns a routing message to the MSC-A, and the MSC-A requests the MSC-B to establish a call with the called party UE-B according to the routing message.
  • the HLR receives the route query information message, determines the MSC-B where the called party UE-B is located, and determines whether the UE-B subscribes to the video CRBT service, and notifies the MSC-A by using the routing message returned to the MSC-A.
  • Step 4 MSC-A sends a Call Proceeding message to UE-A.
  • Step 5 The MSC-A signs the routing message of the video ring back tone service according to the called party UE-B, and sends the IAM to the SS network.
  • Step 6 The SS network receives the IAM, and the IAM is converted into a broadband invite (invitation) message, which is sent to the CRBT AS, and the invite message carries the video call flag.
  • Step 7 The CRBT receives the invite message and sends an invite message without the media to the USS. The invite message carries the video call flag.
  • Step 8 The USS receives the invite message without the media, and sends a confirmation message 200 OK message to the CRBT AS.
  • the USS determines that the current service is a video ring service according to the video call flag in the invite message, and then sends a 200 OK message of the media with the USS to the CRBT AS to start media negotiation.
  • Step 9 The ring back tone AS receives the 200 OK message and sends the invite message of the media with the USS to the SS network.
  • Step 10 The SS network converts the invite message of the media with the USS into an IAM and sends it to the called party UE-B.
  • Step 11 The UE-B receives the IAM, performs media negotiation, and returns an alert message with the negotiated media to the MSC-B.
  • Step 12 The MSC-B receives the alert message and sends the ACM with the negotiated media to the SS network.
  • Step 13 The SS network converts the ACM into a ringing message 180 message, and sends the negotiated media to the ring back tone AS.
  • Step 14 The CRBT receives the 180 message and sends an acknowledgement message ACK message to the USS.
  • Step 15 CRBT The AS sends an invite message with the media of the calling party to the USS.
  • Step 16 The USS receives the invite message, performs media negotiation, and returns a 200 OK message of the media with the negotiation to the CRBT AS.
  • Step 17 The CRBT AS receives the 200 OK message, returns an ACK message to the USS, and replies The 180 message with the negotiated media is sent to the SS network.
  • Step 18 The CRBT sends an information (info) message to the USS, informing the USS to play the called party's video ring back tone to the calling party UE-A.
  • the SS network converts the 180 message into an ACM and sends it to the calling party UE-A, informing the calling party UE-A to receive the video ring back tone.
  • the USS and the calling party UE-A establish a connection through the H.245 protocol application channel to establish a connection and play a video ring tone to the calling party. After the connection is established, the USS and the UE-A can make a call.
  • Step 19 After the USS finishes playing, it sends a 200 OK message to the CRBT AS.
  • Step 20 The called party UE-B answers the call, sends a connect (connect) message to the MSC-B, and the MSC-B returns an ACK message to the UE-B.
  • Step 21 The MSC-B sends an Answer Message (ANM) to the SS network.
  • NNM Answer Message
  • Step 23 The CRBT AS sends a 200 OK message to the SS network.
  • Step 24 The SS network converts the 200 OK message into an ANM, sends it to the MSC-A, and returns an ACK message to the CRBT AS.
  • Step 25 The CRBT receives the ACK message and sends it to the SS network.
  • Step 26 The ring back tone AS sends an info message to the USS to notify the USS to establish a connection with the called party UE-B to apply for a channel, and the USS and the called party UE-B can make a call through the H.245 protocol.
  • the calling party UE-A and the called party UE-B can make a call.
  • the calling party and the called party in FIG. 1 may belong to the same MSC or may belong to different MSCs; the SS network may be the same SS network or a different SS network.
  • the embodiment of the present invention further provides an SS network system, as shown in FIG. 2, including: a receiving module, a converting module, and a notification module; wherein, the receiving module is configured to: when the calling party calls the called party, The calling module receives the call through the MSC; the conversion module is configured to trigger the call to the CRBT AS, and complete the media negotiation with the called party and the calling party together with the CRBT AS and the MSC; the notification module is configured to notify the calling party to receive the video ring back tone.
  • the receiving module is configured to: when the calling party calls the called party, The calling module receives the call through the MSC;
  • the conversion module is configured to trigger the call to the CRBT AS, and complete the media negotiation with the called party and the calling party together with the CRBT AS and the MSC;
  • the notification module is configured to notify the calling party to receive the video ring back tone.
  • the conversion module converts the call into an invitation message and sends the message to the color ring tone AS, where the invitation message carries the video call flag.
  • the receiving module receives the color ring tone AS and transmits the color ring tone AS to the USS after the media ring negotiation is performed according to the video call sign.
  • the invitation message of the media of the USS The invitation message of the media of the USS; the conversion module converts the invitation message of the media carrying the USS into an IAM and sends it to the called party for media negotiation; the receiving module receives the feedback of the called party through the MSC; the conversion module converts the feedback into The ringing message is sent to the CRBT AS after receiving the negotiated media; the receiving module receives the ringing message sent by the CRBT AS and carries the negotiated media; and the notification module converts the ringing message into the media carrying the negotiation.
  • ACM notifying the calling party to receive the video ring tones.
  • the embodiment of the present invention further provides a color ring tone AS, as shown in FIG. 3, including: a receiving module, a sending module, a triggering module, and a notification module; wherein, the receiving module is configured to receive a call triggered by the SS network; The media module is triggered to the USS.
  • the sending module and the receiving module are configured to perform media negotiation with the called party and the calling party together with the SS network and the MSC.
  • the notification module is configured to notify the USS to play the video ring back tone to the calling party.
  • the receiving module receives an invitation message sent by the SS network, where the invitation message carries a video call flag, and the invitation message is converted by the SS network; the triggering module is configured according to the video call.
  • the flag triggers media negotiation with the USS.
  • the sending module sends an invitation message of the media carrying the USS to the SS network after the triggering module triggers the media negotiation.
  • the receiving module receives the ringing message sent by the SS network, and the ringing message carries the negotiated media.
  • the ringing message is obtained by the SS network to receive the received feedback of the called party.
  • the sending module sends the ringing message to the SS network.
  • the notification module is configured to notify the USS to play the video to the calling party after the sending module sends the ringing message. Ring tones, so that the calling party can receive the video ring tones.
  • the triggering module is specifically configured to send an invitation message without media to the USS, and Receiving a confirmation message with the USS media sent by the USS.
  • the notification module is specifically configured to notify the USS to play the video ring back tone to the calling party by sending an information message to the USS.
  • the embodiment of the present invention provides a system for implementing a video CRBT service.
  • the system includes: a CRBT AS, an SS network, and a USS.
  • the SS network is configured to receive a call through the MSC, and trigger the call to the CRBT AS.
  • the CRBT AS is used to trigger media negotiation with the USS, and complete media negotiation with the called party and the calling party together with the SS network and the MSC, and notify
  • the USS broadcasts a video ring back tone to the calling party, and the calling party notifies the calling party to receive the video ring back tone.
  • the USS is used to play the video ring back tone to the calling party.
  • the SS network receives the call by the MSC when the calling party calls the called party, converts the call into an invitation message, and sends the call to the CRBT AS, the invitation message carries a video call sign; the CRBT AS according to the video call sign Initiating media negotiation to the USS, and sending an invitation message of the media carrying the USS to the SS network; the SS network converts the invitation message of the media carrying the USS into an IAM, sends it to the called party for media negotiation, and receives the called party through the MSC.
  • the feedback is converted into a ringing message and sent to the CRBT AS by the negotiated media; the CRBT AS sends the ringing message to the SS network, and notifies the USS to play the video ringback to the calling party; the SS network will The ringing message is converted into an ACM, and the calling party is notified to receive the video ring back tone.
  • the SS network receives the call through the MSC, converts the call into an invitation message, and sends the call to the CRBT AS, where the invite message carries a video call sign; the CRBT AS triggers media negotiation to the USS, and sends the message to the SS network.
  • the message is sent to the CRBT AS after the negotiated media is sent; the CRBT AS sends a ringing message to the SS network, and notifies the USS to play the video ring back tone to the calling party; the SS network converts the ringing message into ACM, and notifies the main
  • the calling party receives the video ring back tone, which can realize the demand for the video ring back tone of the user under the MSC of the 3G communication system, and provide a better color ring back tone service, which is beneficial to the development of the color ring back tone service.

Description

实现视频彩铃业务的方法、 装置和系统 技术领域
本发明涉及通信领域， 特别涉及一种实现视频彩铃业务的方法、 装置 和系统。 背景技术
宽带视频彩铃业务是一个建立在会话初始化协议 （Session Initiation Protocol, SIP )基础上， 融合了数据、 语音和软交换（ Software Switch, SS ) 网络的体系， 是现在分组交换域上的实时业务， 它将 IP灵活的业务能力植 根于通信系统之中， 极大地提升了彩铃业务的支持能力。
目前， SS网络的视频彩铃业务是一个比较成熟稳定的业务， 在现网中 也有应用。 SS核心网虽然能够与第三代（Third Generation, 3G )通信系统 中的移动交换中心 （Mobile Switching Center, MSC )进行通信， 但是 3G 通信系统的 MSC下的用户暂时还不能支持视频彩铃， 因此， 亟需解决该问 题的技术方案。 发明内容
有鉴于此， 本发明的主要目的在于提供一种实现视频彩铃业务的方法、 装置和系统， 以解决现有技术中 3G通信系统的 MSC下的用户不能支持视 频彩铃的问题。
为了解决上述技术问题， 本发明的技术方案是这样实现的：
一种实现视频彩铃业务的方法， 包括：
软交换（SS ) 网络通过移动交换中心 （MSC )接收呼叫， 并将呼叫触 发至彩铃应用服务器（AS ); 彩铃 AS向放音设备 ( USS )触发媒体协商， 彩铃 AS、 SS网络、 MSC 共同完成与被叫方、 主叫方的媒体协商；
彩铃 AS通知所述 USS对主叫方播放视频彩铃，并通过 SS网络通知主 叫方接收视频彩铃。
所述 SS网络将呼叫触发至彩铃 AS , 具体包括： SS网络通过 MSC接 收所述呼叫后， 将所述呼叫转换为邀请消息后发送给彩铃 AS, 所述邀请消 息携带视频呼叫标志。
所述彩铃 AS、 SS网络、 MSC共同完成与被叫方的媒体协商， 具体包 括：
彩铃 AS根据所述视频呼叫标志向 USS触发媒体协商后， 接收 USS发 送的携带 USS的媒体的确认消息， 并向 SS网络发送携带 USS的媒体的邀 请消息；
SS网络将所述携带 USS的媒体的邀请消息转换成初始地址消息（ IAM ) 后发送给所述被叫方进行媒体协商；
SS 网络通过 MSC接收所述被叫方的反馈， 将所述反馈转换成振铃消 息并携带上协商后的媒体后发送给彩铃 AS;
彩铃 AS向 USS发送携带协商后的媒体的确认消息。
所述彩铃 AS、 SS网络、 MSC共同完成与主叫方的媒体协商、 及彩铃 AS通过 SS网络通知主叫方接收视频彩铃， 具体包括：
彩铃 AS向 USS发送携带主叫方的媒体的邀请消息， 并接收携带协商 后的媒体的确认消息；
彩铃 AS向 SS网络发送携带协商后的媒体的振铃消息， SS网络将所述 振铃消息转换成携带协商后的媒体的地址全消息（ACM ),通知所述主叫方 接收视频彩铃。
所述彩铃 AS通过向所述 USS发送信息消息， 通知所述 USS对主叫方 播放视频彩铃。
一种软交换网络系统， 包括：
接收模块， 用于当主叫方呼叫被叫方时， 通过 MSC接收该呼叫； 转换模块， 用于将呼叫触发至彩铃 AS, 与彩铃 AS、 MSC共同完成与 被叫方、 主叫方的媒体协商；
通知模块， 用于通知主叫方接收视频彩铃。
上述方案中， 所述转换模块具体用于将所述呼叫转换为邀请消息后发 送给 AS, 所述邀请消息携带视频呼叫标志；
所述接收模块具体用于在彩铃 AS根据所述视频呼叫标志向 USS触发 媒体协商后， 接收所述彩铃 AS发送的携带 USS的媒体的邀请消息；
所述转换模块具体用于将所述携带 USS的媒体的邀请消息转换成 IAM 后发送给被叫方进行媒体协商；
所述接收模块具体用于通过 MSC接收所述被叫方的反馈；
所述转换模块具体用于将所述反馈转换成振铃消息并携带上协商后的 媒体后发送给所述彩铃 AS;
所述接收模块具体用于接收彩铃 AS 发送的携带协商后的媒体的振铃 消息；
所述通知模块具体用于将所述振铃消息转换成携带协商后的媒体的 ACM, 通知主叫方接收视频彩铃。
一种彩铃应用服务器， 包括：
接收模块， 用于接收 SS网络触发过来的呼叫；
发送模块和接收模块， 用于与 SS 网络、 MSC共同完成与被叫方、 主 叫方的媒体协商；
触发模块， 用于向 USS触发媒体协商；
通知模块， 用于通知 USS对该主叫方播放视频彩铃。 上述方案中， 所述接收模块具体用于当主叫方呼叫被叫方时， 接收 SS 网络发送的邀请消息， 所述邀请消息携带视频呼叫标志， 所述邀请消息由
SS网络将所述呼叫转换得到；
所述触发模块具体用于根据所述视频呼叫标志向 USS触发媒体协商； 所述发送模块具体用于在所述触发模块触发媒体协商后， 向 SS网络发 送携带 USS的媒体的邀请消息；
所述接收模块具体用于接收 SS网络发送的振铃消息，所述振铃消息携 带协商后的媒体，所述振铃消息由 SS网络将接收的被叫方的反馈转换得到； 所述发送模块具体用于向 SS网络发送所述振铃消息；
所述通知模块具体用于在所述发送模块发送所述振铃消息后， 通知
USS对主叫方播放视频彩铃。
所述通知模块具体用于通过向 USS发送信息消息，通知 USS对主叫方 播放视频彩铃。
一种实现视频彩铃业务的系统， 包括：
SS 网络用于通过 MSC接收呼叫， 并将呼叫触发至彩铃 AS, 与彩铃 AS、 MSC共同完成与被叫方、 主叫方的媒体协商；
彩铃 AS , 用于向 USS触发媒体协商， 与 SS网络、 MSC共同完成与被 叫方、 主叫方的媒体协商， 并通知 USS对主叫方播放视频彩铃， 通过 SS 网络通知主叫方接收视频彩铃；
USS, 用于向主叫方播放视频彩铃。
上述方案中，所述 SS网络具体用于当主叫方呼叫被叫方时，通过 MSC 接收所述呼叫， 将所述呼叫转换为邀请消息后发送给彩铃 AS, 所述邀请消 息携带视频呼叫标志；
所述彩铃 AS具体用于根据所述视频呼叫标志向 USS触发媒体协商， 并向 SS网络发送携带 USS的媒体的邀请消息； 所述 SS网络具体用于将所述携带 USS的媒体的邀请消息转换成 IAM 后发送给被叫方进行媒体协商， 并通过 MSC接收所述被叫方的反馈， 将所 述反馈转换成振铃消息并携带上协商后的媒体后发送给彩铃 AS;
所述彩铃 AS具体用于向 SS网络发送所述振铃消息，并通知 USS对主 叫方播放视频彩铃；
所述 SS网络具体用于将所述振铃消息转换成 ACM, 通知主叫方接收 视频彩铃。
在本发明实施例中， SS 网络通过 MSC接收呼叫， 并将呼叫触发至彩 铃 AS; 彩铃 AS向 USS触发媒体协商， 彩铃 AS、 SS网络、 MSC共同完成 与被叫方、 主叫方的媒体协商； 彩铃 AS通知所述 USS对主叫方播放视频 彩铃， 并通过 SS网络通知主叫方接收视频彩铃， 可以实现 3G通信系统的 MSC下的用户对视频彩铃的需求， 能够提供更好的彩铃服务， 非常有利于 彩铃业务的发展。 附图说明
图 1是本发明实施例提供的一种实现视频彩铃业务的方法流程示意图； 图 2是本发明实施例提供的一种 SS网络系统的结构示意图；
图 3是本发明实施例提供的一种彩铃 AS的结构示意图；
图 4是本发明实施例提供的一种实现视频彩铃业务的系统结构示意图。 具体实施方式
本发明的核心思想在于： SS 网络通过 MSC接收呼叫， 并将呼叫触发 至彩铃应用服务器（Application Server, AS ); 彩铃 AS向放音设备（ USS ) 触发媒体协商， 彩铃 AS、 SS网络、 MSC共同完成与被叫方、 主叫方的媒 体协商； 彩铃 AS通知所述 USS对主叫方播放视频彩铃， 并通过 SS网络通 口主叫方接^：视频彩铃。 其中， SS网络将呼叫触发至彩铃 AS具体为： SS网络通过 MSC接收 呼叫后， 将呼叫转换为邀请消息后发送给彩铃 AS, 所述邀请消息携带视频 呼叫标志。
彩铃 AS、 SS网络、 MSC共同完成与被叫方的媒体协商具体为： 彩铃 AS根据视频呼叫标志向 USS触发媒体协商后， 接收 USS发送的携带 USS 的媒体的确认消息， 并向 SS网络发送携带 USS的媒体的邀请消息； SS网 络将携带 USS 的媒体的邀请消息转换成初始地址消息 （Initial Address Message, I AM )后发送给被叫方进行媒体协商； SS网络通过 MSC接收所 述被叫方的反馈， 将反馈转换成振铃消息并携带上协商后的媒体后发送给 彩铃 AS, 彩铃 AS向 USS发送携带协商后的媒体的确认消息。
彩铃 AS、 SS 网络、 MSC共同完成与主叫方的媒体协商、 及彩铃 AS 通过 SS网络通知主叫方接收视频彩铃， 具体为： 彩铃 AS向 USS发送携带 主叫方的媒体的邀请消息， 并接收携带协商后的媒体的确认消息； 彩铃 AS 向 SS 网络发送携带协商后的媒体的振铃消息； SS 网络将振铃消息转换成 携带协商后的媒体的地址全消息 （Address Complete Message, ACM ), 通 口主叫方接^：视频彩铃。
根据以上描述， 便可以实现 3G通信系统的 MSC下的用户对视频彩铃 的需求， 提供更好的彩铃服务， 有利于业务的发展。
下面结合附图及优选实施方式对本发明的技术方案进行进一步的详细 说明。
本发明实施例提供了一种实现视频彩铃业务的方法， 包括：
当主叫方呼叫被叫方时， SS 网络通过 MSC接收该呼叫， 将该呼叫转 换为邀请消息后发送给彩铃 AS, 该邀请消息携带视频呼叫标志；
彩铃 AS根据视频呼叫标志向 USS触发媒体协商，并向 SS网络发送携 带 USS的媒体的邀请消息； SS网络将携带 USS的媒体的邀请消息转换成 IAM后发送给被叫方进 行媒体协商；
所述 SS网络通过 MSC接收所述被叫方的反馈， 将反馈转换成振铃消 息并携带上协商后的媒体后发送给彩铃 AS;
彩铃 AS向 SS网络发送振铃消息，并通知 USS对主叫方播放视频彩铃； SS网络将振铃消息转换成接收确认消息，并通知主叫方接收视频彩铃。 下面通过一个具体的示例对上述实施例进行详细的描述， 但本示例并 不构成对本发明保护范围的限制。 具体的， 如图 1所示， 包括：
步骤 1 : 主叫方 UE-A向 MSC-A发送建立 （setup ) 消息， 请求与被叫 方 UE-B建立呼叫， 该 setup消息包括被叫方 UE-B的号码。
步骤 2: MSC-A接收 setup消息， 并向归属位置寄存器（ Home Location
Register, HLR )发送路由查询信息 （ Send Routing Info , SRI ) 消息， 查询 路由消息。
具体地， MSC-A向 HLR发送路由查询信息消息， 查询被叫方 UE-B所 在 MSC-B , 并查询 UE-B是否签约了视频彩铃业务。
步骤 3: HLR 向 MSC-A返回路由消息， MSC-A根据路由消息请求 MSC-B与被叫方 UE-B建立呼叫。
具体地， HLR接收路由查询信息消息，确定被叫方 UE-B所在 MSC-B, 并确定 UE-B是否签约了视频彩铃业务， 通过向 MSC-A返回的路由消息告 知 MSC-A。
步骤 4: MSC-A向 UE-A发送呼叫继续 （ Call Proceeding ) 消息。
步骤 5: MSC-A根据被叫方 UE-B签约了视频彩铃业务的路由消息， 向 SS网络发送 IAM。
步骤 6: SS网络接收 IAM, 将该 IAM转换为宽带邀请 ( invite ) 消息 发送给彩铃 AS, 该 invite消息中携带视频呼叫标志。 步骤 7:彩铃 AS接收 invite消息，并发送不带媒体的 invite消息给 USS, 该 invite消息中携带视频呼叫标志。
步骤 8: USS接收不带媒体的 invite消息， 并向彩铃 AS发送确认消息 200 OK消息。
具体地， USS根据 invite消息中的视频呼叫标志确定当前业务为视频彩 铃业务， 于是向彩铃 AS发送带 USS的媒体的 200 OK消息， 开始进行媒体 协商。
步骤 9: 彩铃 AS接收 200 OK消息， 并发送带 USS的媒体的 invite消 息给 SS网络。
步骤 10: SS网络将带 USS的媒体的 invite消息转换为 IAM后发送给 被叫方 UE-B。
步骤 11 : UE-B接收 IAM, 进行媒体协商， 并返回带协商后的媒体的 提醒（alert ) 消息给 MSC-B。
步骤 12: MSC-B接收 alert消息， 并发送带协商后的媒体的 ACM给 SS网络。
步骤 13: SS网络将 ACM转化为振铃消息 180消息， 并且带上协商后 的媒体后发送给彩铃 AS。
步骤 14: 彩铃 AS接收 180消息， 并向 USS发送协商后的媒体的确认 消息 ACK消息。
通过以上步骤 8~步骤 14完成了 USS与被叫方 UE-B的媒体协商， 为 后续主叫方 UE-A与被叫方 UE-B进行媒体通话做好了准备。
步骤 15: 彩铃 AS发送带主叫方的媒体的 invite消息给 USS。
步骤 16: USS接收 invite消息， 进行媒体协商， 并向彩铃 AS返回带协 商后的媒体的 200 OK消息。
步骤 17： 彩铃 AS接收 200 OK消息， 向 USS返回 ACK消息； 并回复 带协商后的媒体的 180消息给 SS网络。
步骤 18: 彩铃 AS发送信息 （info ) 消息给 USS, 通知 USS给主叫方 UE-A播放被叫方的视频彩铃。 SS网络将 180消息转化为 ACM, 并且发送 给主叫方 UE-A, 通知主叫方 UE-A接收视频彩铃。 USS与主叫方 UE-A通 过 H.245 协议申请通道建立连接， 以建立连接并且播放视频彩铃音给主叫 方， 建立连接后 USS与 UE-A便可进行通话。
步骤 19: USS在播放完毕后， 发送 200 OK消息给彩铃 AS。
至此， 视频彩铃业务得以实现， 以下是如何实现主叫方和被叫方通话 的过程：
步骤 20: 被叫方 UE-B接听电话， 发送连接 ( connect )消息给 MSC-B, MSC-B向 UE-B返回 ACK消息。
步骤 21: MSC-B发送应答消息（ Answer Message, ANM )给 SS网络。 步骤 22: SS网络将 ANM转化为 200 OK消息后发送给彩铃 AS。
步骤 23: 彩铃 AS发送 200 OK消息给 SS网络。
步骤 24: SS网络将 200 OK消息转化为 ANM后发送给 MSC-A, 并且 回 ACK消息给彩铃 AS。
步骤 25: 彩铃 AS接收 ACK消息并发送给 SS网络。
步骤 26: 彩铃 AS发送 info消息给 USS , 通知 USS与被叫方 UE-B申 请通道建立连接， 通过 H.245协议 USS与被叫方 UE-B便可进行通话。
由于本示例中是三方会议方式，主叫方 UE-A和被叫方 UE-B就可以进 行通话了。
需要说明的是， 图 1中的主叫方和被叫方可以属于同一 MSC, 也可以 属于不同的 MSC; SS网络可以是同一 SS网络， 也可以是不同的 SS网络。
本发明实施例还提供了一种 SS网络系统， 如图 2所示， 包括： 接收模 块、 转换模块和通知模块； 其中， 接收模块用于当主叫方呼叫被叫方时， 通过 MSC接收该呼叫； 转换模块用于将呼叫触发至彩铃 AS, 与彩铃 AS、 MSC共同完成与被叫方、 主叫方的媒体协商； 通知模块用于通知主叫方接 收视频彩铃。
具体地， 转换模块将呼叫转换为邀请消息后发送给彩铃 AS , 该邀请消 息携带视频呼叫标志； 接收模块在彩铃 AS根据所述视频呼叫标志向 USS 触发媒体协商后， 接收该彩铃 AS发送的携带 USS的媒体的邀请消息； 转 换模块将该携带 USS的媒体的邀请消息转换成 IAM后发送给被叫方进行媒 体协商； 接收模块通过 MSC接收该被叫方的反馈； 转换模块将该反馈转换 成振铃消息并携带上协商后的媒体后发送给该彩铃 AS; 接收模块接收该彩 铃 AS发送的携带协商后的媒体的振铃消息；通知模块将该振铃消息转换成 携带协商后的媒体的 ACM, 通知主叫方接收视频彩铃。
本发明实施例还提供了一种彩铃 AS, 如图 3所示， 包括： 接收模块、 发送模块、 触发模块和通知模块； 其中， 接收模块用于接收 SS网络触发过 来的呼叫； 触发模块用于向 USS触发媒体协商； 发送模块和接收模块用于 与 SS 网络、 MSC共同完成与被叫方、 主叫方的媒体协商； 通知模块用于 通知 USS对该主叫方播放视频彩铃。
具体地， 接收模块当主叫方呼叫被叫方时， 接收 SS网络发送的邀请消 息， 该邀请消息携带视频呼叫标志， 该邀请消息由该 SS网络将呼叫转换得 到； 触发模块根据所述视频呼叫标志向 USS触发媒体协商； 发送模块在触 发模块触发媒体协商后， 向 SS网络发送携带 USS的媒体的邀请消息； 接 收模块接收 SS网络发送的振铃消息， 该振铃消息携带协商后的媒体， 该振 铃消息由 SS网络将接收的被叫方的反馈转换得到； 发送模块向 SS网络发 送该振铃消息； 通知模块用于在发送模块发送振铃消息后， 通知 USS对主 叫方播放视频彩铃， 以便主叫方能够接收视频彩铃。
更为具体地， 触发模块具体用于向 USS发送不带媒体的邀请消息， 并 接收该 USS发送的带 USS媒体的确认消息。通知模块具体用于通过向 USS 发送信息消息， 通知 USS对主叫方播放视频彩铃。
本发明实施例提供了一种实现视频彩铃业务的系统， 如图 4所示， 包 括： 彩铃 AS、 SS网络和 USS; 其中， SS网络用于通过 MSC接收呼叫， 并将呼叫触发至彩铃 AS, 与彩铃 AS、 MSC共同完成与被叫方、 主叫方的 媒体协商； 彩铃 AS用于向 USS触发媒体协商， 与 SS网络、 MSC共同完 成与被叫方、 主叫方的媒体协商， 并通知 USS对主叫方播放视频彩铃， 通 过 SS网络通知主叫方接收视频彩铃； USS用于向主叫方播放视频彩铃。
具体地， SS 网络当主叫方呼叫被叫方时， 通过 MSC接收该呼叫， 将 该呼叫转换为邀请消息后发送给彩铃 AS , 该邀请消息携带视频呼叫标志； 彩铃 AS根据所述视频呼叫标志向 USS触发媒体协商，并向 SS网络发送携 带 USS的媒体的邀请消息； SS网络将该携带 USS的媒体的邀请消息转换 成 IAM后发送给被叫方进行媒体协商， 并通过 MSC接收该被叫方的反馈， 将该反馈转换成振铃消息并携带上协商后的媒体后发送给彩铃 AS; 彩铃 AS向 SS 网络发送该振铃消息， 并通知 USS对主叫方播放视频彩铃； SS 网络将该振铃消息转换成 ACM, 通知该主叫方接收视频彩铃。
上述实施例提供的技术方案中， SS 网络通过 MSC接收呼叫， 将呼叫 转换为邀请消息后发送给彩铃 AS , 所述邀请消息携带视频呼叫标志； 彩铃 AS向 USS触发媒体协商， 并向 SS网络发送携带 USS的媒体的邀请消息； SS网络将携带 USS的媒体的邀请消息转换成 IAM后发送给被叫方进行媒 体协商； SS 网络通过 MSC接收所述被叫方的反馈， 将反馈转换成振铃消 息并携带上协商后的媒体后发送给彩铃 AS; 彩铃 AS向 SS网络发送振铃 消息， 并通知所述 USS对主叫方播放视频彩铃； SS网络将振铃消息转换成 ACM, 并通知主叫方接收视频彩铃， 可以实现 3G通信系统的 MSC下的用 户对视频彩铃的需求， 提供更好的彩铃服务， 有利于彩铃业务的发展。 上述说明示出并描述了本发明的一个优选实施例， 但如前所述， 应当 理解本发明并非局限于本文所披露的形式， 不应看作是对其他实施例的排 除， 而可用于各种其他组合、 修改和环境， 并能够在本文所述发明构想范 围内， 通过上述教导或相关领域的技术或知识进行改动。 而本领域人员所 进行的改动和变化不脱离本发明的精神和范围， 则都应在本发明所附权利 要求的保护范围内。

Claims

权利要求书
1、 一种实现视频彩铃业务的方法， 其特征在于， 包括：
软交换（SS ) 网络通过移动交换中心 （MSC )接收呼叫， 并将呼叫触 发至彩铃应用服务器（AS );
彩铃 AS向放音设备 ( USS )触发媒体协商， 彩铃 AS、 SS网络、 MSC 共同完成与被叫方、 主叫方的媒体协商；
彩铃 AS通知所述 USS对主叫方播放视频彩铃，并通过 SS网络通知主 叫方接收视频彩铃。
2、 根据权利要求 1所述的方法， 其特征在于， 所述 SS网络将呼叫触 发至彩铃 AS , 具体包括： SS网络通过 MSC接收所述呼叫后， 将所述呼叫 转换为邀请消息后发送给彩铃 AS , 所述邀请消息携带视频呼叫标志。
3、 根据权利要求 2所述的方法， 其特征在于， 所述彩铃 AS、 SS网络、 MSC共同完成与被叫方的媒体协商， 具体包括：
彩铃 AS根据所述视频呼叫标志向 USS触发媒体协商后， 接收 USS发 送的携带 USS的媒体的确认消息， 并向 SS网络发送携带 USS的媒体的邀 请消息；
SS网络将所述携带 USS的媒体的邀请消息转换成初始地址消息（ IAM ) 后发送给所述被叫方进行媒体协商；
SS 网络通过 MSC接收所述被叫方的反馈， 将所述反馈转换成振铃消 息并携带上协商后的媒体后发送给彩铃 AS;
彩铃 AS向 USS发送携带协商后的媒体的确认消息。
4、 根据权利要求 1所述的方法， 其特征在于， 所述彩铃 AS、 SS网络、 MSC共同完成与主叫方的媒体协商、及彩铃 AS通过 SS网络通知主叫方接 收视频彩铃， 具体包括：
彩铃 AS向 USS发送携带主叫方的媒体的邀请消息， 并接收携带协商 后的媒体的确认消息；
彩铃 AS向 SS网络发送携带协商后的媒体的振铃消息， SS网络将所述 振铃消息转换成携带协商后的媒体的地址全消息（ACM ),通知所述主叫方 接收视频彩铃。
5、 根据权利要求 1所述的方法， 其特征在于， 所述彩铃 AS通过向所 述 USS发送信息消息， 通知所述 USS对主叫方播放视频彩铃。
6、 一种软交换网络系统， 其特征在于， 包括：
接收模块， 用于当主叫方呼叫被叫方时， 通过 MSC接收该呼叫； 转换模块， 用于将呼叫触发至彩铃 AS, 与彩铃 AS、 MSC共同完成与 被叫方、 主叫方的媒体协商；
通知模块， 用于通知主叫方接收视频彩铃。
7、 根据权利要求 6所述的系统， 其特征在于，
所述转换模块具体用于将所述呼叫转换为邀请消息后发送给 AS , 所述 邀请消息携带视频呼叫标志；
所述接收模块具体用于在彩铃 AS根据所述视频呼叫标志向 USS触发 媒体协商后， 接收所述彩铃 AS发送的携带 USS的媒体的邀请消息；
所述转换模块具体用于将所述携带 USS的媒体的邀请消息转换成 IAM 后发送给被叫方进行媒体协商；
所述接收模块具体用于通过 MSC接收所述被叫方的反馈；
所述转换模块具体用于将所述反馈转换成振铃消息并携带上协商后的 媒体后发送给所述彩铃 AS;
所述接收模块具体用于接收彩铃 AS 发送的携带协商后的媒体的振铃 消息；
所述通知模块具体用于将所述振铃消息转换成携带协商后的媒体的 ACM, 通知主叫方接收视频彩铃。
8、 一种彩铃应用服务器， 其特征在于， 包括：
接收模块， 用于接收 SS网络触发过来的呼叫；
发送模块和接收模块， 用于与 SS 网络、 MSC共同完成与被叫方、 主 叫方的媒体协商；
触发模块， 用于向 USS触发媒体协商；
通知模块， 用于通知 USS对该主叫方播放视频彩铃。
9、 根据权利要求 8所述的服务器， 其特征在于，
所述接收模块具体用于当主叫方呼叫被叫方时，接收 SS网络发送的邀 请消息， 所述邀请消息携带视频呼叫标志， 所述邀请消息由 SS网络将所述 呼叫转换得到；
所述触发模块具体用于根据所述视频呼叫标志向 USS触发媒体协商； 所述发送模块具体用于在所述触发模块触发媒体协商后， 向 SS网络发 送携带 USS的媒体的邀请消息；
所述接收模块具体用于接收 SS网络发送的振铃消息，所述振铃消息携 带协商后的媒体，所述振铃消息由 SS网络将接收的被叫方的反馈转换得到； 所述发送模块具体用于向 SS网络发送所述振铃消息；
所述通知模块具体用于在所述发送模块发送所述振铃消息后， 通知
USS对主叫方播放视频彩铃。
10、 根据权利要求 9所述的服务器， 其特征在于， 所述通知模块具体 用于通过向 USS发送信息消息， 通知 USS对主叫方播放视频彩铃。
11、 一种实现视频彩铃业务的系统， 其特征在于， 包括：
SS 网络用于通过 MSC接收呼叫， 并将呼叫触发至彩铃 AS, 与彩铃 AS、 MSC共同完成与被叫方、 主叫方的媒体协商；
彩铃 AS , 用于向 USS触发媒体协商， 与 SS网络、 MSC共同完成与被 叫方、 主叫方的媒体协商， 并通知 USS对主叫方播放视频彩铃， 通过 SS 网络通知主叫方接收视频彩铃；
USS, 用于向主叫方播放视频彩铃。
12、 根据权利要求 11所述的系统， 其特征在于，
所述 SS网络具体用于当主叫方呼叫被叫方时， 通过 MSC接收所述呼 叫， 将所述呼叫转换为邀请消息后发送给彩铃 AS , 所述邀请消息携带视频 呼叫标志；
所述彩铃 AS具体用于根据所述视频呼叫标志向 USS触发媒体协商， 并向 SS网络发送携带 USS的媒体的邀请消息；
所述 SS网络具体用于将所述携带 USS的媒体的邀请消息转换成 IAM 后发送给被叫方进行媒体协商， 并通过 MSC接收所述被叫方的反馈， 将所 述反馈转换成振铃消息并携带上协商后的媒体后发送给彩铃 AS;
所述彩铃 AS具体用于向 SS网络发送所述振铃消息，并通知 USS对主 叫方播放视频彩铃；
所述 SS网络具体用于将所述振铃消息转换成 ACM, 通知主叫方接收 视频彩铃。
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