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WO2011038610A1 - 一种ip多媒体子系统中彩像业务的实现方法和相应系统 - Google Patents

一种ip多媒体子系统中彩像业务的实现方法和相应系统 Download PDF

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Publication number
WO2011038610A1
WO2011038610A1 PCT/CN2010/075244 CN2010075244W WO2011038610A1 WO 2011038610 A1 WO2011038610 A1 WO 2011038610A1 CN 2010075244 W CN2010075244 W CN 2010075244W WO 2011038610 A1 WO2011038610 A1 WO 2011038610A1
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WO
WIPO (PCT)
Prior art keywords
color image
user
called
playing rule
image playing
Prior art date
Application number
PCT/CN2010/075244
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English (en)
French (fr)
Inventor
李世涛
刘海军
Original Assignee
中兴通讯股份有限公司
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Publication of WO2011038610A1 publication Critical patent/WO2011038610A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0024—Services and arrangements where telephone services are combined with data services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1096—Supplementary features, e.g. call forwarding or call holding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/02—Calling substations, e.g. by ringing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/38—Displays

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and system for implementing a color image service in an IP multimedia subsystem.
  • IMS Internet Protocol Multimedia Core Network Subsystem
  • IP Internet Protocol
  • SIP Session Initiation Protocol
  • Session Initiation Protocol an application layer protocol that creates, modifies, and terminates a session between two or more parties
  • SDP Session Description Protocol
  • an application layer protocol that establishes, modifies, and terminates media between two or more parties
  • UE User Equipment
  • user equipment User Equipment
  • CSCF Call session Control Function
  • I-CSCF Interrogating Call Session Control Function
  • inquiring CSCF performing a query call session control function
  • S-CSCF Server Call Session Control Function
  • service CSCF performs service call session control function
  • CRS AS Customerized Ringing Signal Application Server
  • color image service application server color image service application server
  • the color image service can be implemented in the IMS network: when the calling party makes a call to the called party, the calling party can display or play the text, picture, audio, and the preset text set by the calling user on the called terminal. Video and other media formats.
  • FIG. 1 is a structural diagram of deploying a color image service in an IMS network. Including the calling user terminal UE1 (101), calling side S-CSCF (102), calling side CRS AS (103), called side S-CSCF (104), called side CRS AS (105) and called user terminal UE2 (106) ).
  • UE1 initiates a session request through an IMS network.
  • the calling side CRS AS inserts the capability indication supporting the early session mode into the session request and returns to the calling side S-CSCF;
  • the calling side S-CSCF sends a session request to the called side S-CSCF;
  • the called side S-CSCF routes the session request to the UE2;
  • the UE2 After receiving the session request, the UE2 responds with a response 180, which includes a capability indication that supports the early session mode. According to the protocol requirement, the called user does not activate the local ringtone temporarily;
  • the called side S-CSCF routes the 180 response to the calling S-CSCF;
  • the calling side S-CSCF triggers the 180 response to the calling side CRS AS, and the calling side CRS AS knows that the called party also supports the early session mode;
  • the calling side CRS AS returns 180 response to the calling side S-CSCF;
  • the calling side S-CSCF forwards the 180 response to UE1;
  • UE1 sends a temporary response to the called party.
  • the calling side CRS AS inserts a CRS SDP request, which includes the color image media information, after receiving the temporary response;
  • the calling side S-CSCF routes the temporary response with the CRS SDP request to the UE2 via the called side S-CSCF;
  • UE2 returns a temporary response response to the calling side S-CSCF via the called side S-CSCF, and the message carries a CRS SDP response;
  • the calling side S-CSCF forwards the temporary response to the calling side CRS AS, and the media negotiation of the color image is completed, and the calling side CRS AS notifies the color image playing media gateway to prepare for the called party.
  • the user plays the color image
  • the calling side CRS AS deletes the CRS SDP response in the temporary response, and forwards it to the UE1 through the calling side S-CSCF;
  • UE2 can receive the color image media.
  • the called side S-CSCF routes the 200 OK response to the calling side S-CSCF;
  • the calling side S-CSCF then triggers the 200 OK response to the calling side CRS AS.
  • the calling side CRS AS receives the 200 OK, it determines to stop playing the color according to the policy specified by the calling user when signing the color image service. Like or continue to play the color image;
  • the calling side CRS AS forwards the 200 OK response to the calling side S-CSCF;
  • the calling side S-CSCF forwards the 200 OK response to the calling UE1;
  • the above process does not consider resource reservation.
  • the flow chart in the case of resource reservation has more resource reservation negotiation steps, which are basically similar in the playback steps of the color image, and will not be described here.
  • the CRS AS decides to stop playing the color picture service or continue to play the color picture service based on the signing rules of the calling user.
  • the called user can only accept it passively. This is not reasonable enough from the experience of the called user. Summary of the invention
  • the technical problem to be solved by the present invention is to provide an implementation method and a corresponding system for a color image service in an IP multimedia subsystem, which can fully consider the called experience and provide a better service performance for the called user.
  • the present invention provides a method for implementing a color image service in an IP multimedia subsystem, including:
  • the called side network After the user answers the call with the color image service as the called user, the called side network will be called.
  • the color image playing rule information set by the user for the current color image service is sent to the calling side network; the calling side network integrates the color image playing rules set by the calling user and the called user for the current color image service, and determines a color image playback rule to be executed after a call; and
  • the calling side network performs the determined color picture playing rules.
  • the color image playing rule is saved in a color image service application server (CRS AS) serving the user;
  • CRS AS color image service application server
  • the step of the called side network sending the color image playing rule information applicable to the current color image service set by the called user to the calling side network includes: triggering the response message by the called side session control function entity (CSCF)
  • CSCF called side session control function entity
  • the color image playing rule when the user is called is saved in the user terminal;
  • the step of the called side network sending the color image playing rule information that is set by the called user to the current color image service to the calling side network includes: the user terminal setting the current color image service set by the called user The color image playing rule information is added to the response message and sent to the calling side network.
  • the above implementation method can also have the following characteristics:
  • the color image playing rule is uniformly set for all media types of the color image; the called side network sets the called user on the called side network.
  • the color image playing rule information that is applicable to the current color image service is sent to the calling side network, and the color image playing rule applied to the current color image service is the unified setting of the color image playing rule; or
  • the color image playing rule is separately set for various media types of the color image; the called side network will be called the user
  • the setting of the color image playing rule information that is applicable to the current color image service is sent to the calling side network, and the color image playing rule applied to the current color image service corresponds to the media type of the current color image.
  • Color image playback rules can also have the following characteristics:
  • the color image playing rule includes a rule of whether to continue playing the color image after answering the call, setting to resume playing the color image after answering the call, or stopping to continue playing the color image after answering the call.
  • the calling side network integrates the color image playing rules set by the calling user and the called user for the current color image service, and determines the color image playing rule to be executed after the call is connected, including: the calling side CRS AS Determining, according to the pre-configured color image playing rule, a color image playing rule to be executed after the call is connected;
  • the color image playing rule determining policy includes: when the color image playing rule set by the called user and the calling user is suitable for the current color image service, the high priority color image playing rule specified by the operator is used.
  • the high-priority color image playing rule is a color image playing rule set by the called user or a color image playing rule set by the calling user; or, the color image playing rule determining policy is: when the calling user and the called user set
  • the color image playback rules applicable to the current color image service are continued to play, and then continue to play the color image, otherwise the color image is stopped.
  • the color image playing rule information that is set by the called user and is applicable to the current color image service is carried by a parameter in the SIP message, or is carried by an XML message body.
  • An IP multimedia subsystem for implementing a color image service comprising a color image service application server (CRS AS), a session control function entity (CSCF) and a user terminal, wherein the CRS AS and the CSCF each include a calling processing module And called processing modules, where:
  • the called processing module of the CRS AS is configured to: save the color image playing rule of the user set by the user as the called party, and after receiving the response message of the user as the called user to the call with the color image service, Adding, in the response message, the color image playing rule information set by the called user for the current color image service, and sending the information to the called side CSCF;
  • the calling processing module of the CRS AS is configured to: combine the color image playing rules set by the calling user and the called user for the current color image service, and determine the color image playing rule to be executed after the call is connected. And notifying the color image playing media gateway to execute the color image playing rule;
  • the called processing module of the CSCF is configured to: after receiving the response message of the called user to the call with the color image service, send the response message to the called side CRS AS, and return the called side CRS AS The response message is sent to the calling side CRS CS.
  • the calling processing module of the CRS AS is configured to determine a color image playing rule to be executed after the call is connected according to the pre-configured color image playing rule determining policy;
  • the color image playing rule determining policy is: when the called user and the calling user conflict with the color image playing rules that are applicable to the current color image service, the high priority color image playing rule specified by the operator is used.
  • the high-priority color image playing rule is a color image playing rule set by the called user or a color image playing rule set by the calling user; or, the color image playing rule determining policy is: when the calling user and the called user set
  • the color image playback rules applicable to the current color image service are continued to play, and then continue to play the color image, otherwise the color image is stopped.
  • the color image playing rule saved in the called processing module of the CRS AS is uniformly set for all media types of the color image, and the set rule is to continue playing the color image after answering the call or to stop playing the color image after answering the call.
  • the color image playing rule applicable to the current color image service is the unified setting of the color image playing rule; or
  • the color image playing rule saved in the called processing module of the CRS AS is separately set for each media type of the color image, and the set rule is to continue playing the color image after answering the call or to stop playing the color after answering the call.
  • the color image playing rule applied to the current color image service is a color image playing rule corresponding to the media type of the current color image.
  • Another IP multimedia subsystem for implementing a color image service includes a color image service application server (CRS AS), a session control function entity (CSCF) and a user terminal, and the CRS AS and the CSCF each include a calling process.
  • CRS AS color image service application server
  • CSCF session control function entity
  • Module and called processing module where:
  • the user terminal is configured to: save a color image playing rule when the user set as the called party, and add the call with the color image service to the called user, and add the response message in the response message. Enter the color image playing rule information set by the called user for the current color image service, and send it to the called side.
  • the calling processing module of the CRS AS is configured to: combine the color image playing rules set by the calling user and the called user for the current color image service, determine a color image playing rule to be executed after the call is connected, and notify the coloring Performing the color image playing rule like playing a media gateway;
  • the called processing module of the CSCF is configured to: after receiving the response message of the called user to the call with the color image service, send the response message to the calling side CRS CS.
  • the calling processing module of the CRS AS is configured to determine a color image playing rule to be executed after the call is connected according to the pre-configured color image playing rule determining policy;
  • the color image playing rule determining policy is: when the called user and the calling user conflict with the color image playing rules that are applicable to the current color image service, the high priority color image playing rule specified by the operator is used.
  • the high-priority color image playing rule is a color image playing rule set by the called user or a color image playing rule set by the calling user; or, the color image playing rule determining policy is: when the calling user and the called user set
  • the color image playback rules applicable to the current color image service are continued to play, and then continue to play the color image, otherwise the color image is stopped.
  • 1 is an architectural diagram of a known color image implementation of an IMS system
  • FIG. 3 is a flowchart of implementing a color image service according to an embodiment of the present invention.
  • FIG. 4 is a specific flowchart of playing a color image with a called policy control according to an embodiment of the present invention, and carrying the called policy information in the SIP message. Preferred embodiment of the invention
  • Step 10 setting a color image playing rule when the user is called
  • the color image playing rule includes a rule of whether to continue playing the color image after answering the call, and the rule may continue to play the color image after stopping the playing of the color image after answering the call or answering the call.
  • all the media types of the color image can be uniformly set, such as uniformly setting to stop playing the color image after answering the call, or uniformly setting to resume playing the color image after answering the call.
  • various media types of the color image are separately set, and the color image playing rule set for each media type can be saved by using two state values, and one state value indicates that the playing is stopped, that is, corresponding The color image playing rule stops playing the color image after answering the call, and another state value indicates that the playing continues, that is, the corresponding color image playing rule continues to play the color image after answering the call. As shown in the following table:
  • the set color image playing rule is stored in the CRS AS serving the user, and can be set by the operator after the user signs the contract.
  • the called user terminal may also be directly set and stored by the user.
  • Step 20 After the user answers the call with the color image service as the called user, the called side network sends the color image playing rule information set by the called user to the current color image service to the calling side through the response message.
  • the internet The internet
  • the called side CRS AS needs to determine the corresponding color image playing rule according to the media type of the received color image, and the color is selected.
  • the play rule information is carried in the 200 OK response and sent to the calling side CRS AS. If the called user uniformly sets the color image playing rule for all media types, it is only necessary to directly bring the color image playing rule to the calling side CRS AS.
  • the color image playing rule information sent by the called side network to the calling side network can be used as a parameter in the SIP message, such as using a specific parameter to indicate whether the color image continues to play or stop. In another embodiment, it can also be carried by an XML message body.
  • Step 30 The calling side network integrates the color image playing rules set by the calling user and the called user, and determines a color image playing rule to be executed after the call is connected;
  • the playing rules set by the calling user can be stored in the calling side CRS AS, and the calling side CRS AS usually determines the color picture playing rule to be executed after the call is connected.
  • the CRS AS in the calling side network integrates the color image playing rules set by the calling user and the called user.
  • the policy can be determined according to the pre-configured color image playing rule.
  • the color image playing rule determining policy may be: when the called user and the calling user set a color image playing rule conflicting with the current color image service, the high priority color image playing rule specified by the operator shall prevail.
  • the high-priority color image playing rule specified by the operator may be a color image playing rule set by the called user or a color image playing rule set by the calling user.
  • the color image playing rule determining policy may also be: only when the color image playing rule set by the calling user and the called user for the current color image service continues to play the color image, the color image is continued to be played, otherwise the playing is stopped. Color image.
  • Step 40 The calling side network stops or continues to play the color image according to the determined playing rule.
  • the calling side CRS AS can notify the color image playing media gateway to stop playing the color image.
  • the steps are similar to the steps 201-220 in FIG. 2, except that in this embodiment, the color image playing rule is saved in the CRS AS on the called side, so in 301 ⁇ 328, steps 201-220 are needed.
  • the following changes are made:
  • the called side S-CSCF receives the signaling from the calling side S-CSCF or UE2, it triggers the CRS AS to the called side.
  • the called side CRS AS does not process, but will The signaling is anchored on the called side CRS AS to prepare for the subsequent service. After completing these steps, the color image is started to be played;
  • the called side S-CSCF triggers a 200 OK response to the called side CRS AS;
  • the called side CRS AS determines, according to the correspondence between the media type sent by the UE2 to the calling side network and the color image playing rule, the color image playing rule corresponding to the media type in the current color image, if the video continues to play or stops, and the The color image playing rule information is added to the 200 OK message and forwarded to the called side S-CSCF;
  • the called side S-CSCF routes the 200 OK response with the above-mentioned color picture playing rule information to the calling side CRS AS;
  • the calling side CRS AS determines a policy according to the configured color image playing rule, and a color image playing rule set by the called user and the calling user for the current color image service, determining whether to continue playing the color image or stopping the playing of the color image. ;
  • the calling side CRS AS forwards the 200 OK response to the calling side S-CSCF;
  • the calling side S-CSCF forwards the 200 OK response to UE1, and the session is connected.
  • the color image playing rule as the called party can be directly set by the user and stored in the user terminal.
  • the color image service implementation process does not need to be on the called side S-CSCF and is The interaction between the CRS ASs is called.
  • the method of the present invention does not need to modify the existing IMS architecture, and only needs to strengthen the function of the CRS AS, so that the calling side CRS AS and the called side CRS AS can negotiate their respective subscriptions. Strategy information.
  • the method and system for implementing the color image service of the present invention fully considers the called experience and provides a better business embodiment for the called user.

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  • Business, Economics & Management (AREA)
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  • Computer Networks & Wireless Communication (AREA)
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Abstract

本发明公开了一种IP多媒体子系统中彩像业务的实现方法和系统， 该方法包括：对用户作为被叫时的彩像播放规则进行设置；所述用户作为被叫用户应答带有彩像业务的呼叫后，被叫侧网络将被叫用户设置的适用于当前彩像业务的彩像播放规则信息发送到主叫侧网络；主叫侧网络综合主叫用户和被叫用户设置的适用于当前彩像业务的彩像播放规则，确定接通呼叫后要执行的彩像播放规则；主叫侧网络执行所确定的彩像播放规则。本发明充分考虑了被叫的体验，为被叫用户提供了更好的业务体现。

Description

一种 IP多媒体子系统中彩像业务的实现方法和相应系统
技术领域
本发明涉及通信领域， 更具体地， 涉及一种 IP多媒体子系统中彩像业务 的实现方法和系统。
背景技术
先对本文中主要涉及的英文缩写说明如下：
IMS ( Internet Protocol Multimedia Core Network Subsystem ) , 互联网协 议（IP ) 多媒体子系统；
SIP (Session Initiation Protocol ),会话发起协议， 一种在两方或者多方间 创建、 修改、 终结会话的应用层协议；
SDP(Session Description Protocol),会话描述协议， 一种在两方或者多方 间建立， 修改， 终结媒体的应用层协议；
UE ( User Equipment ) , 用户设备；
CSCF ( Call session Control Function ) , IMS核心网会话控制功能实体， 完成注册、 会话， 路由功能；
I-CSCF ( Interrogating Call Session Control Function ) , 问询 CSCF,执行查 询呼叫会话控制功能；
S-CSCF ( Serving Call Session Control Function )，服务 CSCF,执行服务呼 叫会话控制功能；
CRS AS ( Customized Ringing Signal Application Server )，彩像业务应用服 务器。
在现有技术中， 已经可以在 IMS网络中实施彩像业务： 主叫在向被叫打 电话的时候， 可以在被叫的终端上显示或播放主叫用户事先设置的文字、 图 片、 音频、 视频等多种媒体形式。
图 1是一种 IMS网络中部署彩像业务的架构图。 其中包括主叫用户终端 UEl ( 101 ) ,主叫侧 S-CSCF ( 102 ) ,主叫侧 CRS AS ( 103 ) ,被叫侧 S-CSCF ( 104 ) , 被叫侧 CRS AS ( 105 )和被叫用户终端 UE2 ( 106 ) 。
图 2是现有技术中， 釆用早会话方式播放彩像的流程图如下：
201 , UE1通过 IMS网络发起会话请求；
202, 主叫侧 S-CSCF收到会话请求时， 根据主叫用户对彩像的签约规则 将呼叫触发到主叫侧 CRS AS上；
203 ,主叫侧 CRS AS将支持早会话方式的能力标示插入到会话请求中再 返回给主叫侧 S-CSCF;
204, 主叫侧 S-CSCF将会话请求发送给被叫侧 S-CSCF;
205 , 被叫侧 S-CSCF将会话请求路由给 UE2;
206, UE2收到会话请求后， 回复 180响应， 其中包含支持早会话方式的 能力标示， 根据协议要求， 被叫用户暂不启动本地铃声；
207 , 被叫侧 S-CSCF将 180响应路由给主叫的 S-CSCF;
208,主叫侧 S-CSCF再将 180响应触发给主叫侧 CRS AS,主叫侧 CRS AS 此时知道被叫也支持早会话方式；
209, 同时主叫侧 CRS AS再将 180响应返回给主叫侧 S-CSCF;
210, 主叫侧 S-CSCF将 180响应转发给 UE1 ;
211 , UE1向被叫发送临时响应；
212, 主叫侧 S-CSCF, 将这个临时响应触发到主叫侧 CRS AS上；
213 , 主叫侧 CRS AS收到临时响应后， 将 CRS SDP请求插入， 其中包 含彩像媒体信息；
214-215 , 主叫侧 S-CSCF将带有 CRS SDP请求的临时响应经被叫侧 S-CSCF路由到 UE2;
216-217 , UE2经被叫侧 S-CSCF向主叫侧 S-CSCF返回临时响应应答， 消息中携带 CRS SDP应答；
218, 主叫侧 S-CSCF将临时响应应答转发给主叫侧 CRS AS, 此时彩像 的媒体协商就完成了， 主叫侧 CRS AS通知彩像播放媒体网关准备为被叫用 户播放彩像；
219-220, 主叫侧 CRS AS将临时响应应答中的 CRS SDP应答删除， 并 经主叫侧 S-CSCF转发给 UE1；
此时 UE2就可以收到彩像媒体了。
221 , 当 UE2应答这个呼叫的时候， 向主叫发送 200 OK应答；
222, 被叫侧 S-CSCF将 200 OK应答路由到主叫侧 S-CSCF;
223 , 主叫侧 S-CSCF再将 200 OK应答触发到主叫侧 CRS AS, 当主叫 侧 CRS AS收到 200 OK后，根据主叫用户签约彩像业务时规定的策略，确定 停止播放彩像或继续播放彩像；
224, 主叫侧 CRS AS再将 200 OK应答转发给主叫侧 S-CSCF;
225 , 主叫侧 S-CSCF将 200 OK应答转发给主叫 UE1 ;
此时会话就接通了。
上述流程是没有考虑资源预留的情况， 有资源预留情况下的流程图多了 资源预留协商步骤， 在彩像的播放步骤上基本相似， 这里不再赘述。
但在以上的现有技术中， 没有考虑被叫用户的体验， 比如在第 223步，
CRS AS 决定停止播放彩像业务或是继续播放彩像业务依据的只是主叫用户 的签约规则， 被叫用户只能很被动的接受， 从被叫用户的体验上来说这点不 够合理。 发明内容
本发明要解决的技术问题是提供一种 IP多媒体子系统中彩像业务的实现 方法及相应系统， 可以充分考虑被叫的体验， 为被叫用户提供更好的业务体 现。
为了解决上述问题， 本发明提供了一种 IP多媒体子系统中彩像业务的实 现方法， 包括：
对用户作为被叫时的彩像播放规则进行设置；
所述用户作为被叫用户应答带有彩像业务的呼叫后， 被叫侧网络将被叫 用户设置的适用于当前彩像业务的彩像播放规则信息发送到主叫侧网络； 主叫侧网络综合主叫用户和被叫用户设置的适用于当前彩像业务的彩像 播放规则， 确定接通呼叫后要执行的彩像播放规则； 以及
主叫侧网络执行所确定的彩像播放规则。
上述实现方法还可具有以下特点：
在所述对用户作为被叫时的彩像播放规则进行设置的步骤中， 所述彩像 播放规则保存在为所述用户服务的彩像业务应用服务器 (CRS AS)中；
所述被叫侧网络将被叫用户设置的适用于当前彩像业务的彩像播放规则 信息发送到主叫侧网络的步骤包括： 由被叫侧会话控制功能实体 (CSCF)将应 答消息触发到所述 CRS AS,所述 CRS AS在收到的应答消息中加入被叫用户 设置的适用于当前彩像业务的彩像播放规则信息后， 经被叫侧 CSCF发送到
上述实现方法还可具有以下特点：
在所述对用户作为被叫时的彩像播放规则进行设置的步骤中， 所述用户 作为被叫时的彩像播放规则保存在用户终端；
所述被叫侧网络将被叫用户设置的适用于当前彩像业务的彩像播放规则 信息发送到主叫侧网络的步骤包括： 所述用户终端将被叫用户设置的适用于 当前彩像业务的彩像播放规则信息加入到应答消息中， 发送到主叫侧网络。 上述实现方法还可具有以下特点：
在所述对用户作为被叫时的彩像播放规则进行设置的步骤中， 所述彩像 播放规则是针对彩像的所有媒体类型统一设置的； 在所述被叫侧网络将被叫 用户设置的适用于当前彩像业务的彩像播放规则信息发送到主叫侧网络的步 骤中， 所述适用于当前彩像业务的彩像播放规则即为统一设置的该彩像播放 规则； 或者
在所述对用户作为被叫时的彩像播放规则进行设置的步骤中， 所述彩像 播放规则是针对彩像的各种媒体类型分别设置的； 在所述被叫侧网络将被叫 用户设置的适用于当前彩像业务的彩像播放规则信息发送到主叫侧网络的步 骤中， 所述适用于当前彩像业务的彩像播放规则为当前彩像的媒体类型对应 的彩像播放规则。 上述实现方法还可具有以下特点：
所述彩像播放规则包括应答呼叫后是否继续播放彩像的规则， 设置为应 答呼叫后继续播放彩像， 或者应答呼叫后停止继续播放彩像。
上述实现方法还可具有以下特点：
所述主叫侧网络综合主叫用户和被叫用户设置的适用于当前彩像业务的 彩像播放规则， 确定接通呼叫后要执行的彩像播放规则的步骤包括： 由主叫 侧 CRS AS根据预先配置的彩像播放规则确定策略确定接通呼叫后要执行的 彩像播放规则；
该彩像播放规则确定策略包括： 当被叫用户和主叫用户设置的适用于当 前彩像业务的彩像播放规则冲突时， 以运营商规定的高优先级的彩像播放规 则为准， 该高优先级的彩像播放规则为被叫用户设置的彩像播放规则或主叫 用户设置的彩像播放规则； 或者， 该彩像播放规则确定策略为： 当主叫用户 和被叫用户设置的适用于当前彩像业务的彩像播放规则都是继续播放时， 才 继续播放彩像， 否则停止播放彩像。
上述实现方法还可具有以下特点：
所述被叫用户设置的适用于当前彩像业务的彩像播放规则信息通过 SIP 消息里的参数来携带， 或者通过 XML消息体来携带。
本发明提供的一种实现彩像业务的 IP多媒体子系统， 包括彩像业务应用 服务器 (CRS AS), 会话控制功能实体 (CSCF)和用户终端， 所述 CRS AS 和 CSCF均包括主叫处理模块和被叫处理模块， 其中：
所述 CRS AS的被叫处理模块设置为： 保存用户设置的该用户作为被叫 时的彩像播放规则， 并在收到该用户作为被叫用户对带有彩像业务的呼叫的 应答消息后， 在该应答消息中加入被叫用户设置的适用于当前彩像业务的彩 像播放规则信息， 发送到被叫侧 CSCF;
所述 CRS AS的主叫处理模块设置为： 综合主叫用户和被叫用户设置的 适用于当前彩像业务的彩像播放规则， 确定接通呼叫后要执行的彩像播放规 则， 并通知彩像播放媒体网关执行该彩像播放规则；
所述 CSCF的被叫处理模块设置为： 在收到被叫用户对带有彩像业务的 呼叫的应答消息后，将该应答消息发送到被叫侧 CRS AS ,并将被叫侧 CRS AS 返回的应答消息发送到主叫侧 CRS CS。
上述 IP多媒体子系统还可具有以下特点：
所述 CRS AS的主叫处理模块是设置为根据预先配置的彩像播放规则确 定策略确定接通呼叫后要执行的彩像播放规则；
该彩像播放规则确定策略为： 当被叫用户和主叫用户设置的适用于当前 彩像业务的彩像播放规则冲突时， 以运营商规定的高优先级的彩像播放规则 为准， 该高优先级的彩像播放规则为被叫用户设置的彩像播放规则或主叫用 户设置的彩像播放规则； 或者， 该彩像播放规则确定策略为： 当主叫用户和 被叫用户设置的适用于当前彩像业务的彩像播放规则都是继续播放时， 才继 续播放彩像， 否则停止播放彩像。
上述 IP多媒体子系统还可具有以下特点：
所述 CRS AS的被叫处理模块中保存的所述彩像播放规则是针对彩像的 所有媒体类型统一设置的， 设置的规则为应答呼叫后继续播放彩像或者应答 呼叫后停止继续播放彩像， 所述适用于当前彩像业务的彩像播放规则即为统 一设置的该彩像播放规则； 或者
所述 CRS AS的被叫处理模块中保存的所述彩像播放规则是针对彩像的 各种媒体类型分别设置的， 设置的规则为应答呼叫后继续播放彩像或者应答 呼叫后停止继续播放彩像， 所述适用于当前彩像业务的彩像播放规则为当前 彩像的媒体类型对应的彩像播放规则。
本发明提供的另一种实现彩像业务的 IP多媒体子系统， 包括彩像业务应 用服务器 (CRS AS), 会话控制功能实体 (CSCF)和用户终端， 所述 CRS AS和 CSCF均包括主叫处理模块和被叫处理模块， 其中：
所述用户终端设置为： 保存用户设置的该用户作为被叫时的彩像播放规 则， 并在该用户作为被叫用户应答带有彩像业务的呼叫后， 在应答消息中加 入被叫用户设置的适用于当前彩像业务的彩像播放规则信息， 发送到被叫侧
CSCF;
所述 CRS AS的主叫处理模块设置为： 综合主叫用户和被叫用户设置的 适用于当前彩像业务的彩像播放规则， 确定接通呼叫后要执行的彩像播放规 则， 并通知彩像播放媒体网关执行该彩像播放规则；
所述 CSCF的被叫处理模块设置为： 在收到被叫用户对带有彩像业务的 呼叫的应答消息后， 将该应答消息发送到主叫侧 CRS CS。
上述 IP多媒体子系统还可具有以下特点：
所述 CRS AS的主叫处理模块是设置为根据预先配置的彩像播放规则确 定策略确定接通呼叫后要执行的彩像播放规则；
该彩像播放规则确定策略为： 当被叫用户和主叫用户设置的适用于当前 彩像业务的彩像播放规则冲突时， 以运营商规定的高优先级的彩像播放规则 为准， 该高优先级的彩像播放规则为被叫用户设置的彩像播放规则或主叫用 户设置的彩像播放规则； 或者， 该彩像播放规则确定策略为： 当主叫用户和 被叫用户设置的适用于当前彩像业务的彩像播放规则都是继续播放时， 才继 续播放彩像， 否则停止播放彩像。
上述彩像业务的实现方法充分考虑了被叫的体验， 为被叫用户提供了更 好的业务体现。
附图概述
图 1为 IMS系统已知彩像实现的架构图；
图 2为 IMS系统已知彩像播放的流程图；
图 3为本发明实施例彩像业务的实现流程图；
图 4为本发明实施例带被叫策略控制的彩像播放的具体流程图， 在 SIP 消息里携带被叫策略信息。 本发明的较佳实施方式
下面结合附图和具体实施方式对本发明做进一步详细的说明。
本实施例通过对彩像业务实现流程的改进， 加入被叫策略的控制， 从而 使被叫对彩像的体验更加合理。
步骤 10, 对用户作为被叫时的彩像播放规则进行设置；
所述彩像播放规则包括应答呼叫后是否继续播放彩像的规则， 该规则可 以是应答呼叫后停止播放彩像或应答呼叫后继续播放彩像。
设置作为被叫时的彩像播放规则时， 可以对彩像的所有媒体类型进行统 一设置， 如统一设置为应答呼叫后停止播放彩像， 或统一设置为应答呼叫后 继续播放彩像。 但本实施例中， 是针对彩像的各种媒体类型分别进行设置， 对每一种媒体类型设置的彩像播放规则可以用 2个状态值进行保存， 一个状 态值表示停止播放， 即相应的彩像播放规则为应答呼叫后停止播放彩像， 另 一个状态值表示继续播放， 即相应的彩像播放规则为应答呼叫后继续播放彩 像。 如下表所示：
Figure imgf000010_0001
本实施例中，上述设置的彩像播放规则存放在为所述用户服务的 CRS AS 里， 可以在用户签约后由运营商来完成设置。 但是， 在其他实施例中， 也可 以由用户直接设置并存放被叫用户终端里。
步骤 20, 该用户作为被叫用户应答带有彩像业务的呼叫后， 被叫侧网络 通过应答消息将该被叫用户设置的适用于当前彩像业务的彩像播放规则信息 发送到主叫侧网络；
当被叫用户针对彩像的各种媒体类型分别设置彩像播放规则时， 被叫侧 CRS AS需要根据接收到的彩像的媒体类型确定对应的彩像播放规则，将该彩 像播放规则信息携带在 200 OK应答里发送给主叫侧 CRS AS。 如果被叫用户 针对所有媒体类型统一设置彩像播放规则， 只需直接将该彩像播放规则带给 主叫侧 CRS AS即可。
被叫侧网络发送到主叫侧网络的彩像播放规则信息可以作为 SIP消息里 的参数， 如使用一个特定的参数指示彩像是继续播放还是停止。 在另一实施 例中， 也可以通过 XML消息体携带。
步骤 30, 主叫侧网络综合主叫用户和被叫用户设置的彩像播放规则， 确 定接通呼叫后要执行的彩像播放规则；
主叫用户设置的播放规则可以存放在主叫侧 CRS AS里， 通常由主叫侧 CRS AS来确定接通呼叫后要执行的彩像播放规则。
主叫侧网络中的 CRS AS综合主叫用户和被叫用户设置的彩像播放规则 确定接通呼叫后要执行的彩像播放规则时， 可以依据预先配置的彩像播放规 则确定策略进行。
该彩像播放规则确定策略可以是： 当被叫用户和主叫用户设置的适用于 当前彩像业务的彩像播放规则冲突时， 以运营商规定的高优先级的彩像播放 规则为准， 运营商规定的高优先级的彩像播放规则可以为被叫用户设置的彩 像播放规则或主叫用户设置的彩像播放规则。
该彩像播放规则确定策略也可以是： 只在主叫用户和被叫用户设置的适 用于当前彩像业务的彩像播放规则都是继续播放彩像时， 才继续播放彩像， 否则停止播放彩像。
步骤 40, 主叫侧网络根据确定的播放规则， 停止或继续播放彩像。
在需要停止播放彩像时， 可以由主叫侧 CRS AS通知彩像播放媒体网关 停止播放彩像。
在完成对用户作为被叫时的彩像播放规则的设置， 在 CRS AS中保存彩 像播放规则后， 彩像的具体实现流程如下：
301-328, 步骤同图 2中步骤 201~220类似， 只是因为在本实施例中， 彩 像播放规则保存在被叫侧的 CRS AS,因此在 301~328中，需要对步骤 201~220 做如下改动： 当被叫侧 S-CSCF收到来自主叫侧 S-CSCF或 UE2的信令后， 都触发到被叫侧 CRS AS, 此时被叫侧 CRS AS并不做处理， 只是将信令锚定 在被叫侧 CRS AS上， 为后续的服务做准备， 完成这些步骤后， 开始播放彩 像；
329, 当 UE2应答该呼叫时， 向主叫侧发送 200 OK应答；
330, 被叫侧 S-CSCF将 200 OK应答触发到被叫侧 CRS AS上；
331 , 被叫侧 CRS AS根据 UE2发送到主叫侧网络的媒体类型与彩像播 放规则的对应关系， 确定当前彩像中媒体类型对应的彩像播放规则， 如是继 续播放还是停止，并将该彩像播放规则信息加入到 200 OK消息里，转发给被 叫侧 S-CSCF;
332-333 , 被叫侧 S-CSCF将带有上述彩像播放规则信息的 200 OK应答 路由给主叫侧 CRS AS;
334, 主叫侧 CRS AS根据配置的彩像播放规则确定策略， 以及被叫用户 和主叫用户设置的适用于当前彩像业务的彩像播放规则， 确定是继续播放彩 像还是停止播放彩像；
335 , 主叫侧 CRS AS将 200 OK响应转发给主叫侧 S-CSCF;
336, 主叫侧 S-CSCF将 200 OK响应转发给 UE1 , 此时会话就接通了。 在另一实施例中， 可以由用户直接设置作为被叫时的彩像播放规则并存 放在用户终端里，这种情况下的彩像业务实现流程中不需要在被叫侧 S-CSCF 和被叫侧 CRS AS之间进行交互。 在图 2流程的基础上， 需要做以下改动： 被叫用户终端应答呼叫后， 在应答消息 （200OK ) 中加入适用于当前彩像业 务的彩像播放规则，经被叫侧 S-CSCF、主叫侧 S-CSCF发送到主叫侧 CRS AS, 主叫侧 CRS AS收到后的处理与本发明的上述实施例是一样的， 请参见步骤 334 336。
综上所述， 釆用本发明方法， 并不需要对现有 IMS架构做修改， 只需要 对 CRS AS的功能做加强，使主叫侧 CRS AS和被叫侧 CRS AS间能够协商各 自签约的策略信息。
以上所述， 仅为本发明的较佳实例而已， 并非用于限定本发明的保护范 围。 凡在本发明的精神和原则之内， 所做的任何修改、 等同替换、 改进等， 均应包含在本发明的保护范围之内。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序 来指令相关硬件完成， 所述程序可以存储于计算机可读存储介质中， 如只读 存储器、 磁盘或光盘等。 可选地， 上述实施例的全部或部分步骤也可以使用 一个或多个集成电路来实现。 相应地， 上述实施例中的各模块 /单元可以釆用 硬件的形式实现， 也可以釆用软件功能模块的形式实现。 本发明不限制于任 何特定形式的硬件和软件的结合。
工业实用性
本发明彩像业务的实现方法和系统充分考虑了被叫的体验， 为被叫用户 提供了更好的业务体现。

Claims

权 利 要 求 书
1、 一种 IP多媒体子系统中彩像业务的实现方法， 其包括：
对用户作为被叫时的彩像播放规则进行设置；
所述用户作为被叫用户应答带有彩像业务的呼叫后， 被叫侧网络将被叫 用户设置的适用于当前彩像业务的彩像播放规则信息发送到主叫侧网络； 主叫侧网络综合主叫用户和被叫用户设置的适用于当前彩像业务的彩像 播放规则， 确定接通呼叫后要执行的彩像播放规则； 以及
主叫侧网络执行所确定的彩像播放规则。
2、 如权利要求 1所述的实现方法， 其中，
在所述对用户作为被叫时的彩像播放规则进行设置的步骤中， 所述彩像 播放规则保存在为所述用户服务的彩像业务应用服务器 (CRS AS)中；
所述被叫侧网络将被叫用户设置的适用于当前彩像业务的彩像播放规则 信息发送到主叫侧网络的步骤包括： 由被叫侧会话控制功能实体 (CSCF)将应 答消息触发到所述 CRS AS ,所述 CRS AS在收到的应答消息中加入被叫用户 设置的适用于当前彩像业务的彩像播放规则信息后， 经被叫侧 CSCF发送到
3、 如权利要求 1所述的实现方法， 其中，
在所述对用户作为被叫时的彩像播放规则进行设置的步骤中， 所述彩像 播放规则保存在用户终端；
所述被叫侧网络将被叫用户设置的适用于当前彩像业务的彩像播放规则 信息发送到主叫侧网络的步骤包括： 所述用户终端将被叫用户设置的适用于 当前彩像业务的彩像播放规则信息加入到应答消息中， 发送到主叫侧网络。
4、 如权利要求 1或 2或 3所述的实现方法， 其中，
在所述对用户作为被叫时的彩像播放规则进行设置的步骤中， 所述彩像 播放规则是针对彩像的所有媒体类型统一设置的； 在所述被叫侧网络将被叫 用户设置的适用于当前彩像业务的彩像播放规则信息发送到主叫侧网络的步 骤中， 所述适用于当前彩像业务的彩像播放规则即为统一设置的该彩像播放 规则； 或者
在所述对用户作为被叫时的彩像播放规则进行设置的步骤中， 所述彩像 播放规则是针对彩像的各种媒体类型分别设置的； 在所述被叫侧网络将被叫 用户设置的适用于当前彩像业务的彩像播放规则信息发送到主叫侧网络的步 骤中， 所述适用于当前彩像业务的彩像播放规则为当前彩像的媒体类型对应 的彩像播放规则。
5、 如权利要求 1或 2或 3所述的实现方法， 其中，
所述彩像播放规则包括应答呼叫后是否继续播放彩像的规则， 设置为应 答呼叫后继续播放彩像， 或者应答呼叫后停止继续播放彩像。
6、 如权利要求 5所述的实现方法， 其中，
所述主叫侧网络综合主叫用户和被叫用户设置的适用于当前彩像业务的 彩像播放规则， 确定接通呼叫后要执行的彩像播放规则的步骤包括： 由主叫 侧 CRS AS根据预先配置的彩像播放规则确定策略确定接通呼叫后要执行的 彩像播放规则；
该彩像播放规则确定策略包括： 当被叫用户和主叫用户设置的适用于当 前彩像业务的彩像播放规则冲突时， 以运营商规定的高优先级的彩像播放规 则为准， 该高优先级的彩像播放规则为被叫用户设置的彩像播放规则或主叫 用户设置的彩像播放规则； 或者， 该彩像播放规则确定策略为： 当主叫用户 和被叫用户设置的适用于当前彩像业务的彩像播放规则都是继续播放时， 才 继续播放彩像， 否则停止播放彩像。
7、 如权利要求 2或 3所述的实现方法， 其中， 所述被叫用户设置的适用于当前彩像业务的彩像播放规则信息通过会话 发起协议消息里的参数来携带， 或者通过可扩展标记语言消息体来携带。
8、 一种实现彩像业务的互联网协议多媒体子系统（IMS ) , 包括彩像业 务应用服务器 (CRS AS),会话控制功能实体 (CSCF)和用户终端，所述 CRS AS 和 CSCF均包括主叫处理模块和被叫处理模块；
所述 CRS AS的被叫处理模块设置为： 保存用户设置的该用户作为被叫 时的彩像播放规则， 并在收到该用户作为被叫用户对带有彩像业务的呼叫的 应答消息后， 在该应答消息中加入被叫用户设置的适用于当前彩像业务的彩 像播放规则信息， 发送到被叫侧 CSCF;
所述 CRS AS的主叫处理模块设置为： 综合主叫用户和被叫用户设置的 适用于当前彩像业务的彩像播放规则， 确定接通呼叫后要执行的彩像播放规 则， 并通知彩像播放媒体网关执行该彩像播放规则；
所述 CSCF的被叫处理模块设置为： 在收到被叫用户对带有彩像业务的 呼叫的应答消息后，将该应答消息发送到被叫侧 CRS AS ,并将被叫侧 CRS AS 返回的应答消息发送到主叫侧 CRS CS。
9、 如权利要求 8所述的 IMS, 其中，
所述 CRS AS的主叫处理模块是设置为根据预先配置的彩像播放规则确 定策略确定接通呼叫后要执行的彩像播放规则；
该彩像播放规则确定策略为： 当被叫用户和主叫用户设置的适用于当前 彩像业务的彩像播放规则冲突时， 以运营商规定的高优先级的彩像播放规则 为准， 该高优先级的彩像播放规则为被叫用户设置的彩像播放规则或主叫用 户设置的彩像播放规则； 或者， 该彩像播放规则确定策略为： 当主叫用户和 被叫用户设置的适用于当前彩像业务的彩像播放规则都是继续播放时， 才继 续播放彩像， 否则停止播放彩像。
10、 如权利要求 8或 9所述的 IP多媒体子系统， 其中，
所述 CRS AS的被叫处理模块中保存的所述彩像播放规则是针对彩像的 所有媒体类型统一设置的， 设置的规则为应答呼叫后继续播放彩像或者应答 呼叫后停止继续播放彩像， 所述适用于当前彩像业务的彩像播放规则即为统 一设置的该彩像播放规则； 或者
所述 CRS AS的被叫处理模块中保存的所述彩像播放规则是针对彩像的 各种媒体类型分别设置的， 设置的规则为应答呼叫后继续播放彩像或者应答 呼叫后停止继续播放彩像， 所述适用于当前彩像业务的彩像播放规则为当前 彩像的媒体类型对应的彩像播放规则。
11、 一种实现彩像业务的互联网协议多媒体子系统（IMS ) , 其包括彩 像业务应用服务器 (CRS AS) ,会话控制功能实体 (CSCF)和用户终端，所述 CRS AS和 CSCF均包括主叫处理模块和被叫处理模块；
所述用户终端设置为： 保存用户设置的该用户作为被叫时的彩像播放规 则， 并在该用户作为被叫用户应答带有彩像业务的呼叫后， 在应答消息中加 入被叫用户设置的适用于当前彩像业务的彩像播放规则信息， 发送到被叫侧 CSCF;
所述 CRS AS的主叫处理模块设置为： 综合主叫用户和被叫用户设置的 适用于当前彩像业务的彩像播放规则， 确定接通呼叫后要执行的彩像播放规 则， 并通知彩像播放媒体网关执行该彩像播放规则；
所述 CSCF的被叫处理模块设置为： 在收到被叫用户对带有彩像业务的 呼叫的应答消息后， 将该应答消息发送到主叫侧 CRS CS。
12、 如权利要求 11所述的 IP多媒体子系统， 其中，
所述 CRS AS的主叫处理模块是设置为根据预先配置的彩像播放规则确 定策略确定接通呼叫后要执行的彩像播放规则；
该彩像播放规则确定策略为： 当被叫用户和主叫用户设置的适用于当前 彩像业务的彩像播放规则冲突时， 以运营商规定的高优先级的彩像播放规则 为准， 该高优先级的彩像播放规则为被叫用户设置的彩像播放规则或主叫用 户设置的彩像播放规则； 或者， 该彩像播放规则确定策略为： 当主叫用户和 被叫用户设置的适用于当前彩像业务的彩像播放规则都是继续播放时， 才继 续播放彩像， 否则停止播放彩像。
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