WO2011113240A1 - 在点击拨号过程中嵌套多媒体的方法和点击拨号业务系统 - Google Patents

在点击拨号过程中嵌套多媒体的方法和点击拨号业务系统 Download PDF

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Publication number
WO2011113240A1
WO2011113240A1 PCT/CN2010/074746 CN2010074746W WO2011113240A1 WO 2011113240 A1 WO2011113240 A1 WO 2011113240A1 CN 2010074746 W CN2010074746 W CN 2010074746W WO 2011113240 A1 WO2011113240 A1 WO 2011113240A1
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WIPO (PCT)
Prior art keywords
click
response
dial
platform
called
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PCT/CN2010/074746
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English (en)
French (fr)
Inventor
蒋宇智
马光兵
王成灿
哈景楠
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中兴通讯股份有限公司
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Publication of WO2011113240A1 publication Critical patent/WO2011113240A1/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
    • H04M7/003—Click to dial services
    • 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

Definitions

  • the present invention relates to an IMS (IP Multimedia Subsystem, IP Multimedia System) / NGN (Next Generation Network) to the Internet SP capability field, and particularly relates to a method for nesting multimedia in a click-to-dial process and a click-to-dial service system .
  • IMS IP Multimedia Subsystem, IP Multimedia System
  • NGN Next Generation Network
  • the personal multimedia ring back tone is a called service, and the corresponding ring back tone file can be played to the calling user according to the condition set by the called user in advance. For example, different color ring files can be played for different calling users, or different color ring files can be played in different time periods.
  • the multimedia CRBT service platform is a system for providing users with CRBT playback, which has the ability to store, play and manage CRBT, and supports SIP (Session Initiation Protocol). After the called user applies for the service, the platform should provide the playback function of the multimedia ring back tone to the calling user, and automatically interrupt the playing of the color ring tone when the called user answers.
  • SIP Session Initiation Protocol
  • a Click To Dial (CTD) service is a service initiated by a user from a CTD client.
  • the user can input the phone numbers of the A and B users who want to establish a call on the service interface provided by the CTD client, thereby establishing a connection between the two users.
  • a and B users who use click-to-dial services can be local and domestic PSTN (Public Switched Telephone Network), softswitch, PHS (Personal Handy-phone System) or mobile users. Can be a business number.
  • the existing click-to-dial service capability open mode can only be achieved when the calling number A hears the ring back tone set by the called number B.
  • the ring back tone cannot be controlled by the Internet SP/personal developer.
  • the present invention provides a method for nesting multimedia in a click-to-dial process and a click-to-dial service system to overcome the color that a user who initiates a click-to-dial service using a CTD client cannot hear to the calling party.
  • the bell is controlled to be defective.
  • the present invention provides a method for nesting multimedia in a click-to-dial process, including:
  • Clicking the dial-up service open platform receives the first call request from the dial-up client that carries the number information of the calling party and the called party, calls the calling party, and after receiving the response response from the calling party, the ring tones
  • the platform initiates a second call request; after receiving the second call request, the CRBT platform plays the multimedia file customized by the click-to-dial client to the calling user, and returns a response response to the click-to-dial service open platform; After receiving the response response from the CRBT platform, the click-to-dial service open platform calls the called party, and after receiving the response response from the called response, notifies the CRBT platform to terminate the multimedia file. Play.
  • the above method may further include:
  • the click-to-dial service open platform re-executes media negotiation between the calling party and the called party after receiving the response response of the called response.
  • the above method may also have the following features:
  • the call to the called party refers to: the click-to-dial service open platform delays a response after receiving the response response of the CRBT platform. Call the called party after the time.
  • the above method may also have the following features:
  • the first call request further carries a delay duration
  • the call-to-call service open platform delays the call after the call is delayed for a period of time: the click-to-dial service open platform is delayed according to the value of the delay duration carried in the first call request. Call the called party.
  • the above method may further include:
  • the user Before the first call request is sent to the click-to-dial service open platform, the user registers with the ring back tone platform through the click-to-dial client; after the registration is successful, the CRBT platform saves the user's Correspondence between the service identification information and the multimedia file customized by the click-to-dial client;
  • the first call request further carries the service identification information;
  • the step of the click-to-dial service open platform sending a second call request to the CRBT platform after receiving the first call request is: the click-to-dial service open platform receives the first information carrying the service information identifier After the call request, the second call request carrying the service information identifier is sent to the CRBT platform; the CRBT platform playing the multimedia file customized by the click-to-dial client to the calling user is: the CRBT platform And searching for the multimedia file corresponding to the service identification information locally according to the service identification information carried in the second call request, and then playing the multimedia file to the calling user.
  • the response of the called reply is a ringing notification message
  • the call-to-dial service open platform after calling the called party, if it is determined that the ringing notification message of the called reply carries the session description protocol SDP information of the ring back tone platform of the called customized multimedia file, An invalid SDP message is carried in the temporary response replied to the message.
  • the invention also provides a click-to-dial service system, which comprises: clicking a dial-up client, clicking a dial-up service open platform and a ring back tone platform;
  • the click-to-dial client is configured to, after the user initiates the click-to-dial instruction, send a first call request carrying the number information of the calling and called parties participating in the click-to-dial process to the click-to-dial service open platform;
  • the click-to-dial service open platform is configured to: after receiving the first call request, call the calling party, and after receiving the response response of the calling response, initiate a second call to the CRBT platform.
  • the request is further configured to: after receiving the response response of the CRBT platform reply, call the called party, and send a termination to play the multimedia file to the CRBT platform after receiving the response response of the called response Notification message;
  • the CRBT platform is configured to: after receiving the second call request, play the multimedia file customized by the click-to-dial client to the calling user, and reply response response to the click-to-dial service open platform; After receiving the notification message for terminating playing the multimedia file sent by the click-to-dial service open platform, stopping playing the multimedia file to the calling party.
  • the above system can also have the following features:
  • the click-to-dial service open platform is further configured to perform media negotiation between the calling party and the called party after receiving the response response of the called response.
  • the above system can also have the following features:
  • the click-to-dial service open platform is configured to call the called party by: after receiving the response response of the CRBT platform reply, delaying the call for a period of time and then calling the called party.
  • the above system can also have the following features:
  • the first call request further carries a delay duration
  • the click-to-dial service open platform is configured to call the called party after delaying for a period of time according to the value of the delay duration carried in the first call request.
  • the above system can also have the following features:
  • the response of the called reply is a ringing notification message
  • the click-to-dial service open platform is further configured to determine whether the ringing notification message of the called reply carries the session description protocol SDP information of the CRBT platform where the called customized multimedia file is located, and if yes, The temporary response to the message reply carries an invalid SDP message.
  • the present invention also provides a click-to-dial service opening platform that supports nested multimedia in a click-to-dial process, and the click-to-dial service open platform is set to:
  • the platform After receiving the first call request by the user by clicking the dialing client to carry the number information of the calling party and the called party, calling the calling party, and after receiving the response response of the calling party reply, to the ring back tone
  • the platform initiates a second call request; and after receiving the response response of the CRBT platform reply, calling the called party, and after receiving the response response of the called response, notifying the CRBT platform to terminate the multimedia The playback of the file.
  • the response of the called reply is a ringing notification message
  • the click-to-dial service open platform is further configured to: determine whether the ringing notification message of the called reply carries the session description protocol SDP information of the CRBT platform where the called customized multimedia file is located, and if yes, The temporary response replied to the message carries an invalid SDP message.
  • the present invention also provides a ring back tone platform that supports nesting multimedia in a click-to-dial process
  • the CRBT platform is configured to: after receiving the second call request sent by the click-to-dial service open platform, play the multimedia file customized by the click-to-dial client to the calling user, and reply the response to the click-to-dial service open platform.
  • the ability to open the dialing ability to the Internet SP/personal developer can be nested while the multimedia playing capability can be nested to control the playback of the multimedia file.
  • the SP/personal developer can control the multimedia file played by the caller in the click-to-dial process by setting the service identification information and according to his or her wishes.
  • FIG. 1 is a networking diagram of a click-to-dial service system according to an embodiment of the present invention
  • FIG. 2 is a signaling flow diagram of a method for nesting multimedia in a click-to-dial process according to an embodiment of the present invention.
  • the basic idea of the method of the present invention is: Clicking on the dial-up service open platform, after receiving a call request from the CTD client to carry the number information of the calling party and the called party, calling the calling party and receiving the calling party reply After the response is answered, a call request is initiated to the CRBT platform; after receiving the CRBT platform, the multimedia file customized by the CTD terminal is played to the calling user, and the response response is returned to the click-to-dial service open platform; After the response of the response from the platform is answered, the called party is called, and after receiving the response response of the called response, the ring back tone platform is notified to terminate the playing of the multimedia file.
  • clicking on the dial-up service open platform also needs to re-nego media negotiation between the calling party and the called party to establish a call link between the calling party and the called party.
  • the dialing service open platform can call the called party after a response time response received by the ring back tone platform, and the value of the delay time can be an open platform of the click-to-dial service.
  • the preset value in the middle, or set by the user is sent to the click-to-dial service open platform through the above call request.
  • the user who initiates the click-to-dial can control the multimedia file received by the calling user while waiting for the click-to-dial process, and the control for playing the multimedia file is transferred to the user who initiated the click-to-dial (the user can be the Internet) SP (Service Provider, Service Provider)
  • the user with the click-to-dial permission can set the color ring tone policy to play the background sound, the advertisement ring tone or any other type of audio and video multimedia files to the calling user according to his or her wishes.
  • FIG. 1 is a networking diagram of a system tape according to the present invention, which includes: a CTD terminal, a dial-up service open platform, a ring back tone platform, a core network, and a calling party A and a called party B.
  • the CTD terminal can call the dial-up service open platform through Internet Protocol (such as: WebService), REST (Representational State Transfer), MASHUP (combined state transfer), JAVASCRIPT or other common Internet protocols. Click-to-dial service is open.
  • the platform is located in the IMS/NGN network.
  • the SIP protocol is used to control the call of the calling party and the called party through the core network.
  • the ring tone platform can also be used to control the caller to play or hang up.
  • the ring back tone platform and the calling party The media stream between users is routed through the core network; the type of the main called terminal user can be GSM (Global System for Mobile Communications) users, CDMA (Code Division Multiple Access) users, Various telephone users such as telecom fixed-line users, IMS SIP hard terminals, and soft terminals.
  • GSM Global System for Mobile Communications
  • CDMA Code Division Multiple Access
  • Various telephone users such as telecom fixed-line users, IMS SIP hard terminals, and soft terminals.
  • the click-to-dial client is configured to send a first call request carrying the number information of the calling and called parties participating in the click-to-dial process to the click-to-dial service open platform after the user initiates the click-to-dial command; After receiving the first call request, the caller is called, and after receiving the response response of the caller response, the second call request is initiated to the ring back tone platform; and is further configured to: after receiving the response response of the ring back tone platform reply, the call is Calling, and after receiving the response response of the called response, sending a notification message for terminating the playing of the multimedia file to the ring back tone platform; the ring back tone platform is configured to play the customized multimedia of the click-to-dial terminal to the calling user after receiving the second call request File, and reply response response to the click-to-dial service open platform; also set to stop playing the multimedia file to the calling party after receiving the notification message of terminating the playing of the multimedia file sent by the click-to-dial service open platform.
  • the click-to-dial service open platform is further configured to perform media negotiation between the calling party and the called party after receiving the response response of the called party reply.
  • the click-to-dial service open platform is set to answer the response after receiving the response from the ring back tone platform, and then call the called party after a delay.
  • the request also carries a delay duration; the click-to-dial service open platform is set to a value according to the delay duration carried in the first call request, and then the called party is called after a delay.
  • the click-to-dial service open platform is further configured to, after the call is called, if it is determined that the ringing notification (180 Ring) message of the called reply carries the session description protocol (SDP) information of the CRBT center where the customized multimedia file is located. , carrying an invalid SDP message in the temporary response replied to the message.
  • SDP session description protocol
  • the method for nesting multimedia in a click-to-dial process specifically includes the following steps:
  • the CTD terminal initiates a call request to the click-to-dial service open platform under the control of the Internet SP/personal developer, and the request carries the calling number, the called number, the service identification information, and the delay set by the Internet SP/personal developer. Parameters such as duration;
  • the click-to-dial service open platform can call the calling party by sending an INVITE message to the calling party; when the calling party rings, the 180 Ring message can be replied to the click-to-dial service open platform, when the calling party answers, A 200 OK message may be replied to the click-to-dial service open platform, where the SDP (Session Description Protocol) information of the calling party is carried;
  • SDP Session Description Protocol
  • the click-to-dial service open platform will report the call state of the caller's ringing, connecting, busy, etc. to the CTD terminal for the CTD terminal to display. In the app, for users to view.
  • the multimedia file customized by the CTD terminal is played to the calling user according to the SDP information of the calling party, and the response response is returned to the click-to-dial service open platform.
  • the multimedia file may be an audio file or a video file.
  • the click-to-dial service open platform can initiate a call to the ring back tone platform by sending an INVITE message carrying the calling SDP information, and the ring back tone platform can respond to the latter by replying to the 200 OK message to the click-to-dial service open platform. , the response also carries a ring tones center SDP information.
  • the CTD terminal registers with the CRBT platform, the correspondence between the service identification information and the customized multimedia file of the CTD terminal is established in the CRBT platform. Therefore, after receiving the call request, the CRBT platform can be carried according to the CRCD terminal. The business identification information is retrieved to the corresponding multimedia file, and then the multimedia file is played to the calling party.
  • the user when registering, can also set a play policy on the CRBT platform through the CTD terminal.
  • the play policy can be, but is not limited to, including: playing different multimedia files in different time periods, playing different multimedia files for different calling numbers. Wait.
  • the dial-up service open platform receives the response response (ie, 200 OK message) replied by the CRBT platform, after the delay time carried in the call request is delayed for a certain period of time, the called party is called;
  • the method of calling can realize the control of the duration of playing multimedia files by the calling user by the Internet SP/personal developer who initiates the click-to-dial service using the CTD terminal.
  • the click-to-dial service open platform after clicking the 200 OK message replied by the CRBT platform, the click-to-dial service open platform also needs to reply to the CRBT platform with an acknowledgment message (ie, an ACK message), and reply to the caller to confirm the message (ie, an ACK message). , which carries the SDP information of the ring back tone platform.
  • the called party When the called party rings, it will reply 180 Ring message to the click-to-dial service open platform. If the called ring tone service is set, the SDP information of the CRBT center where the ring back tone is located is carried in the 180 Ring message; after receiving the dial-up service open platform, the temporary response PRACK message is sent to the called party (such as the received 180 Ring) If the message carries the SDP information, the PRACK message also needs to carry an invalid SDP message. After receiving the PRACK message, the called party will reply the 200 OK message to the click-to-dial service open platform for the PRACK message.
  • the dialing service open platform can perform the function of shielding the called color ring tone by not transmitting the SDP information of the ring back tone center of the CRBT to the calling party.
  • the dialing service open platform After receiving the response response of the called response, click the dialing service open platform to notify the ring back tone platform to terminate the playing of the multimedia file.
  • the called party After the called party picks up the phone, it will reply to the click-to-dial service open platform with a 200 OK message (ie, response response) for the INVITE message; after receiving the dial-up service open platform, it will respond to the called party (ie, the ACK message), and Sending a BYE message carrying the service identification information to the CRBT platform to notify the user to terminate the playback of the multimedia file; after receiving the CRBT platform, the multimedia ring file is terminated according to the service identification information, and the click-to-dial service open platform is replied to the BYE.
  • the response of the message ie 200 OK message).
  • the caller After receiving the dial-up service open platform, the caller is called again, and the caller's SDP information is carried in the call request (ie, the Reinvite message); after the callee receives the call, the response response is sent to the click-to-dial service open platform (ie, 200) OK message), which carries the called SDP information; after receiving the dialing service open platform, it sends a response (ie ACK message) to the calling party, which carries the called SDP information; after the calling party receives, both the calling party and the called party Both have obtained the SDP information of the other party, that is, the media negotiation process between the two parties is completed, so the two parties can start the normal call process.
  • the Internet SP/personal developer can control the multimedia file played by the calling party in the click-to-dial process according to the will of the user by setting the service identification information.

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  • Engineering & Computer Science (AREA)
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  • General Engineering & Computer Science (AREA)
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Abstract

本发明提供一种在点击拨号过程中嵌套多媒体的方法和系统，所述方法包括：点击拨号业务开放平台收到用户通过点击拨号客户端发来的携带主叫和被叫的号码信息的第一呼叫请求后，呼叫主叫，并在收到主叫回复的应答响应后，向彩铃平台发起第二呼叫请求；彩铃平台收到第二呼叫请求后，向主叫用户播放点击拨号客户端定制的多媒体文件，并向点击拨号业务开放平台回复应答响应；以及点击拨号业务开放平台收到彩铃平台回复的应答响应后，呼叫被叫，并在收到被叫回复的应答响应后，通知彩铃平台终止多媒体文件的播放。采用本发明后，互联网SP/个人开发者可以通过设置业务标识信息，按照其意愿来控制点击拨号过程中为主叫播放的多媒体文件。

Description

在点击拨号过程中嵌套多媒体的方法和点击拨号业务系统
技术领域
本发明涉及 IMS ( IP Multimedia Subsystem, IP多媒体系统） /NGN ( Next Generation Network, 下一代网络） 向互联网 SP能力开放领域， 尤其涉及一 种在点击拨号过程中嵌套多媒体的方法和点击拨号业务系统。
背景技术
个人多媒体彩铃是一种被叫业务， 可以根据被叫用户事先设置的条件向 主叫用户播放相应的彩铃文件。 例如， 可以为不同的主叫用户播放不同的彩 铃文件， 或在不同的时间段播放不同的彩铃文件等。
多媒体彩铃业务平台是为用户提供彩铃播放的系统， 其具备彩铃存储、 播放和管理的能力， 并且支持 SIP ( Session Initiation Protocol, 会话初始化协 议） 。 在被叫用户申请该业务后， 该平台应可以为主叫用户提供多媒体彩铃 的播放功能， 并在被叫用户接听时可以自动中断该彩铃的播放。
点击拨号 （Click To Dial, 简称为 CTD )业务是一种由用户从 CTD客户 端发起的业务。用户可在 CTD客户端提供的业务界面上输入要建立呼叫的 A、 B用户的电话号码， 从而建立这两个用户的连接。 使用点击拨号业务的 A、 B 用户可以是本地和国内的 PSTN ( Public Switched Telephone Network, 公共交 换电话网络） 、 软交换、 PHS ( Personal Handy-phone System, 个人手持式电 话系统）或移动用户， 也可以是某个业务号码。
现有的点击拨号业务能力开放方式， 只能做到主叫号码 A听到被叫号码 B设置的彩铃， 这个彩铃无法被互联网 SP/个人开发者所控制。
发明内容
本发明提供一种在点击拨号过程中嵌套多媒体的方法和点击拨号业务系 统，以克服使用 CTD客户端发起点击拨号业务的用户无法对主叫方听到的彩 铃进行控制的缺陷。
为解决上述问题， 本发明提供了一种在点击拨号过程中嵌套多媒体的方 法， 包括：
点击拨号业务开放平台收到用户通过点击拨号客户端发来的携带主叫和 被叫的号码信息的第一呼叫请求后， 呼叫主叫， 并在收到主叫回复的应答响 应后， 向彩铃平台发起第二呼叫请求； 所述彩铃平台收到所述第二呼叫请求 后， 向主叫用户播放所述点击拨号客户端定制的多媒体文件， 并向所述点击 拨号业务开放平台回复应答响应； 所述点击拨号业务开放平台收到所述彩铃 平台回复的应答响应后， 呼叫所述被叫， 并在收到所述被叫回复的应答响应 后， 通知所述彩铃平台终止所述多媒体文件的播放。
上述方法还可包括：
所述点击拨号业务开放平台在收到所述被叫回复的应答响应后， 重新进 行所述主叫和所述被叫间的媒体协商。
上述方法还可具有以下特征：
所述点击拨号业务开放平台收到所述彩铃平台回复的应答响应后， 呼叫 所述被叫是指： 所述点击拨号业务开放平台在收到所述彩铃平台回复的应答 响应后， 延时一段时间后再呼叫所述被叫。
上述方法还可具有以下特征：
所述第一呼叫请求中还携带有延时时长；
所述点击拨号业务开放平台延时一段时间后再呼叫所述被叫是指： 所述 点击拨号业务开放平台根据所述第一呼叫请求中携带的延时时长的值， 延时 一段时间后再呼叫所述被叫。
上述方法还可包括：
在向所述点击拨号业务开放平台发送所述第一呼叫请求之前， 所述用户 通过所述点击拨号客户端向所述彩铃平台进行注册； 在注册成功后， 所述彩 铃平台保存所述用户的业务标识信息与所述点击拨号客户端定制的多媒体文 件之间的对应关系； 其中，
所述第一呼叫请求中还携带有所述业务标识信息； 所述点击拨号业务开放平台在收到所述第一呼叫请求后向所述彩铃平台 发送第二呼叫请求的步骤为： 所述点击拨号业务开放平台在收到携带所述业 务信息标识的第一呼叫请求后， 向所述彩铃平台发送携带所述业务信息标识 的第二呼叫请求； 所述彩铃平台向所述主叫用户播放所述点击拨号用户端定制的多媒体文 件是指： 所述彩铃平台根据所述第二呼叫请求中携带的所述业务标识信息在 本地查找出与该业务标识信息对应的多媒体文件 ,然后向所述主叫用户播放。
上述方法还可具有以下特点：
所述被叫回复的应答响应为振铃通知消息；
所述点击拨号业务开放平台在呼叫所述被叫后， 如判断出所述被叫回复 的振铃通知消息中携带有所述被叫定制的多媒体文件所在彩铃平台的会话描 述协议 SDP信息时， 则在针对该消息回复的临时响应中携带一个无效的 SDP 信息。
本发明还提供了一种点击拨号业务系统， 包括： 点击拨号客户端、 点击 拨号业务开放平台及彩铃平台；
所述点击拨号客户端设置成在用户发起点击拨号指令后， 向所述点击拨 号业务开放平台发送携带参与此次点击拨号过程的主叫和被叫的号码信息的 第一呼叫请求；
所述点击拨号业务开放平台设置成： 在收到所述第一呼叫请求后， 呼叫 所述主叫， 并在收到所述主叫回复的应答响应后， 向所述彩铃平台发起第二 呼叫请求； 还用于在收到所述彩铃平台回复的应答响应后， 呼叫所述被叫， 并在收到所述被叫回复的应答响应后， 向所述彩铃平台发送终止播放所述多 媒体文件的通知消息；
所述彩铃平台设置成： 在收到所述第二呼叫请求后， 向所述主叫用户播 放所述点击拨号客户端定制的多媒体文件， 并向所述点击拨号业务开放平台 回复应答响应； 以及在收到所述点击拨号业务开放平台发来的所述终止播放 所述多媒体文件的通知消息后， 停止向所述主叫播放所述多媒体文件。
上述系统还可具有以下特征： 所述点击拨号业务开放平台还设置成在收到所述被叫回复的应答响应 后， 重新进行所述主叫和所述被叫间的媒体协商。
上述系统还可具有以下特征：
所述点击拨号业务开放平台是设置成通过如下方式呼叫所述被叫： 收到 所述彩铃平台回复的应答响应后， 延时一段时间后再呼叫所述被叫。
上述系统还可具有以下特征：
所述第一呼叫请求中还携带有延时时长；
所述点击拨号业务开放平台是设置成根据所述第一呼叫请求中携带的延 时时长的值， 延时一段时间后再呼叫所述被叫。
上述系统还可具有以下特征：
所述被叫回复的应答响应为振铃通知消息；
所述点击拨号业务开放平台还设置成判断所述被叫回复的振铃通知消息 中是否携带有所述被叫定制的多媒体文件所在彩铃平台的会话描述协议 SDP 信息， 若有， 则在针对该消息回复的临时响应中携带一个无效的 SDP信息。
本发明还提供一种支持在点击拨号过程中嵌套多媒体的点击拨号业务开 放平台， 所述点击拨号业务开放平台设置成：
在收到用户通过点击拨号客户端发来的携带主叫和被叫的号码信息的第 一呼叫请求后， 呼叫所述主叫， 并在收到所述主叫回复的应答响应后， 向彩 铃平台发起第二呼叫请求； 以及在收到所述彩铃平台回复的应答响应后， 呼 叫所述被叫， 并在收到所述被叫回复的应答响应后， 通知所述彩铃平台终止 所述多媒体文件的播放。
优选地， 所述被叫回复的应答响应为振铃通知消息；
所述点击拨号业务开放平台还设置成： 判断所述被叫回复的振铃通知消 息中是否携带有所述被叫定制的多媒体文件所在彩铃平台的会话描述协议 SDP信息， 若有， 则在针对该消息回复的临时响应中携带一个无效的 SDP信 息。
本发明还提供一种支持在点击拨号过程中嵌套多媒体的彩铃平台， 所述 彩铃平台设置成： 在收到点击拨号业务开放平台发送的第二呼叫请求后， 向 主叫用户播放点击拨号客户端定制的多媒体文件， 并向所述点击拨号业务开 放平台回复应答响应。
与现有技术相比，釆用本发明后，在对互联网 SP/个人开发者开放点击拨 号能力的同时， 可以嵌套多媒体播放能力， 控制多媒体文件的播放。 互联网
SP/个人开发者可以通过设置业务标识信息，按照其意愿来控制点击拨号过程 中为主叫播放的多媒体文件。
附图概述
图 1为本发明实施例中点击拨号业务系统的组网图；
图 2为本发明实施例中在点击拨号过程中嵌套多媒体的方法的信令流程 图。
本发明的较佳实施方式
下面将结合附图及实施例对本发明的技术方案进行更详细的说明。
本发明所述方法的基本构思是： 点击拨号业务开放平台收到用户通过 CTD客户端发来的携带主叫和被叫的号码信息的呼叫请求后， 呼叫主叫， 并 在收到主叫回复的应答响应后， 向彩铃平台发起呼叫请求； 彩铃平台收到后， 向主叫用户播放上述 CTD终端定制的多媒体文件，并向点击拨号业务开放平 台回复应答响应； 点击拨号业务开放平台收到彩铃平台回复的应答响应后， 呼叫被叫， 并在收到被叫回复的应答响应后， 通知彩铃平台终止上述多媒体 文件的播放。
在收到被叫回复的应答响应后， 点击拨号业务开放平台还需要重新进行 主叫和被叫间的媒体协商， 以建立主被叫之间的通话链路。
为了保证彩铃的播放时长， 点击拨号业务开放平台可以在收到彩铃平台 回复的应答响应后， 延时一固定的时长再呼叫被叫， 其中， 该延时时长的值 可以为点击拨号业务开放平台中预设的值， 或者由用户进行设置后通过上述 呼叫请求发送到点击拨号业务开放平台。 釆用上述方法后， 发起点击拨号的用户可以控制点击拨号过程中主叫用 户等待时所接收到的多媒体文件， 即将播放多媒体文件的控制权转交给了发 起点击拨号的用户 （该用户可以是互联网 SP ( Service Provider, 服务提供商）
/个人开发者） 。 具有点击拨号权限的用户在获得控制权后， 可以通过设置彩 铃策略， 按照其意愿向主叫用户播放背景音、 广告铃音或者其它任意类型的 音视频多媒体文件。
图 1所示为本发明所述系统带的组网图， 其中包括： CTD终端、 点击拨 号业务开放平台、 彩铃平台、 核心网络及主叫 A和被叫 B。
CTD 终端可通过互联网协议 （如： WebService (网络服务） 、 REST ( Representational State Transfer, 表述性状态转移） 、 MASHUP (糅合 ) 、 JAVASCRIPT或者其它互联网常见协议）呼叫点击拨号业务开放平台； 点击 拨号业务开放平台位于 IMS/NGN网络中，其通过 SIP协议， 经过核心网络对 主被叫进行呼叫控制， 还可通过 SIP信令控制彩铃平台对主叫用户进行放音 或者是挂断； 彩铃平台和主叫用户之间的媒体流通过核心网络进行路由； 主 被叫终端用户的类型可以是 GSM ( Global System for Mobile Communications, 全球移动通讯系统）用户、 CDMA ( Code Division Multiple Access,码分多址 ) 用户、 电信固话用户、 IMS SIP硬终端、 软终端等各种电话用户。
点击拨号客户端设置成在用户发起点击拨号指令后， 向点击拨号业务开 放平台发送携带参与此次点击拨号过程的主叫和被叫的号码信息的第一呼叫 请求； 点击拨号业务开放平台设置成在收到第一呼叫请求后， 呼叫主叫， 并 在收到主叫回复的应答响应后， 向彩铃平台发起第二呼叫请求； 还设置成在 收到彩铃平台回复的应答响应后， 呼叫被叫， 并在收到被叫回复的应答响应 后， 向彩铃平台发送终止播放多媒体文件的通知消息； 彩铃平台设置成在收 到第二呼叫请求后， 向主叫用户播放点击拨号终端定制的多媒体文件， 并向 点击拨号业务开放平台回复应答响应； 还设置成在收到点击拨号业务开放平 台发来的终止播放多媒体文件的通知消息后， 停止向主叫播放多媒体文件。
优选地，点击拨号业务开放平台还设置成在收到被叫回复的应答响应后， 重新进行主叫和被叫间的媒体协商。 点击拨号业务开放平台是设置成在收到 彩铃平台回复的应答响应后， 延时一段时间后再呼叫被叫。 其中， 第一呼叫 请求中还携带有延时时长； 点击拨号业务开放平台是设置成根据第一呼叫请 求中携带的延时时长的值， 延时一段时间后再呼叫被叫。
点击拨号业务开放平台还设置成在呼叫被叫后， 如判断出被叫回复的振 铃通知（ 180 Ring )消息中携带有被叫定制的多媒体文件所在彩铃中心的会话 描述协议（SDP )信息时， 在针对该消息回复的临时响应中携带一个无效的 SDP信息。
下面用本发明的一应用实例进一步加以说明。
如图 2所示， 本发明所述在点击拨号过程中嵌套多媒体的方法， 具体包 括以下步骤：
201 : CTD终端在互联网 SP/个人开发者的控制下向点击拨号业务开放平 台发起呼叫请求，该请求中携带互联网 SP/个人开发者设置的主叫号码、被叫 号码、 业务标识信息和延时时长等参数；
202: 点击拨号业务开放平台收到上述呼叫请求后， 呼叫主叫；
在具体实现时，点击拨号业务开放平台可通过向主叫发送 INVITE(邀请） 消息呼叫主叫； 当主叫振铃时， 可向点击拨号业务开放平台回复 180 Ring消 息， 当主叫应答时， 可向点击拨号业务开放平台回复 200 OK消息， 其中携带 主叫的 SDP ( Session Description Protocol, 会话描述协议）信息；
此外， 在上述呼叫过程中， 点击拨号业务开放平台在收到主叫回复的消 息后， 会相应地向 CTD 终端上报主叫的振铃、 接通、 忙等呼叫状态， 以供 CTD终端显示到应用中， 供用户查看。
203: 在收到主叫回复的应答响应 （即 200 OK消息）后， 点击拨号业务 开放平台向彩铃平台发起呼叫请求， 其中携带上述业务标识信息及主叫的 SDP信息； 彩铃平台收到后， 根据主叫的 SDP信息向主叫用户播放 CTD终 端定制的多媒体文件， 并向点击拨号业务开放平台回复应答响应。 其中， 该 多媒体文件可以是音频文件或视频文件。
在具体实现时， 点击拨号业务开放平台可通过发送携带主叫 SDP信息的 INVITE消息向彩铃平台发起呼叫，而彩铃平台可通过向点击拨号业务开放平 台回复 200 OK消息的方式向后者回复应答响应，该响应中还携带有彩铃中心 的 SDP信息。
由于 CTD终端在向彩铃平台进行注册后 ,彩铃平台中已经建立了业务标 识信息与使用该 CTD终端的用户定制的多媒体文件的对应关系， 因此， 彩铃 平台在收到呼叫请求后， 可根据其中携带的业务标识信息检索到对应的多媒 体文件， 然后向主叫播放该多媒体文件。
此外， 在进行注册时， 用户还可通过 CTD终端在彩铃平台上设置播放策 略， 该播放策略可以但不限于包括： 在不同时段播放不同的多媒体文件、 为 不同的主叫号码播放不同的多媒体文件等。
用户可以在注册时申请多个业务标识信息， 这样就可以通过在呼叫过程 中使用不同的业务标识信息， 以更加灵活的控制播放策略。
204: 点击拨号业务开放平台收到彩铃平台回复的应答响应 （即 200 OK 消息）后， 根据呼叫请求中携带的延时时长延时一段时长后， 再呼叫被叫； 通过这种延时呼叫被叫的方式，可以实现使用 CTD终端发起点击拨号业 务的互联网 SP/个人开发者对主叫用户播放多媒体文件的时长进行控制。
此外， 根据 SIP协议规定， 点击拨号业务开放平台在收到彩铃平台回复 的 200 OK消息后， 还需向彩铃平台回复确认消息（即 ACK消息） ， 并向主 叫回复确定消息 （即 ACK消息） ， 其中携带彩铃平台的 SDP信息。
205: 延时结束后， 点击拨号业务开放平台呼叫被叫 （可通过向被叫发送 INVITE消息的方式实现） ；
被叫振铃时， 会向点击拨号业务开放平台回复 180 Ring消息。 如果被叫 设置了彩铃业务， 则会在该 180 Ring消息中携带该彩铃所在彩铃中心的 SDP 信息； 点击拨号业务开放平台收到后， 向被叫回复临时响应 PRACK消息（如 收到的 180 Ring消息中携带了 SDP信息， 则还需要在该 PRACK消息中携 带一个无效 SDP信息） ， 被叫在收到该 PRACK消息后会针对该 PRACK消 息向点击拨号业务开放平台回复 200 OK消息。
根据上述流程可知， 当被叫设置了彩铃后， 点击拨号业务开放平台通过 不将该彩铃所在彩铃中心的 SDP信息发送给主叫的方式， 实现了对被叫彩铃 进行屏蔽的功能。 206: 在收到被叫回复的应答响应后， 点击拨号业务开放平台通知彩铃平 台终止上述多媒体文件的播放。
被叫摘机后， 会向点击拨号业务开放平台回复一个针对 INVITE消息的 200 OK消息（即应答响应）； 点击拨号业务开放平台收到后， 会向被叫回复 响应 （即 ACK消息） ， 并向彩铃平台发送携带上述业务标识信息的 BYE消 息， 以通知其终止上述多媒体文件的播放； 彩铃平台收到后， 根据业务标识 信息终止相应多媒体文件的播放， 并向点击拨号业务开放平台回复针对 BYE 消息的响应 （即 200 OK消息） 。
207: 点击拨号业务开放平台重新发起主被叫间的媒体协商流程， 经过协 商后主被叫双方建立通话媒体链路。
点击拨号业务开放平台重新呼叫主叫 （即向主叫发送重邀请 Reinvite消 息）；主叫收到后，向点击拨号业务开放平台发送应答响应（即 200 OK消息）， 其中携带主叫的 SDP信息； 点击拨号业务开放平台收到后， 重新呼叫被叫， 并在呼叫请求（即 Reinvite消息） 中携带主叫的 SDP信息； 被叫收到后， 向 点击拨号业务开放平台发送应答响应 （即 200 OK消息） ， 其中携带被叫的 SDP信息； 点击拨号业务开放平台收到后，向主叫发送应答（即 ACK消息）， 其中携带被叫的 SDP信息； 主叫收到后， 主被叫双方都已获得对方的 SDP 信息， 即完成了双方的媒体协商流程， 因此， 双方即可开始正常的通话流程。
当然， 本发明还可有其它多种实施例， 在不背离本发明精神及其实质的 但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。
工业实用性
与现有技术相比，釆用本发明后， 互联网 SP/个人开发者可以通过设置业 务标识信息， 按照其意愿来控制点击拨号过程中为主叫播放的多媒体文件。

Claims

权 利 要 求 书
1、 一种在点击拨号过程中嵌套多媒体的方法， 包括：
点击拨号业务开放平台收到用户通过点击拨号客户端发来的携带主叫和 被叫的号码信息的第一呼叫请求后， 呼叫所述主叫， 并在收到所述主叫回复 的应答响应后， 向彩铃平台发起第二呼叫请求；
所述彩铃平台收到所述第二呼叫请求后， 向主叫用户播放所述点击拨号 客户端定制的多媒体文件， 并向所述点击拨号业务开放平台回复应答响应； 以及
所述点击拨号业务开放平台收到所述彩铃平台回复的应答响应后， 呼叫 所述被叫， 并在收到所述被叫回复的应答响应后， 通知所述彩铃平台终止所 述多媒体文件的播放。
2、 如权利要求 1所述的方法， 还包括：
所述点击拨号业务开放平台在收到所述被叫回复的应答响应后， 重新进 行所述主叫和所述被叫间的媒体协商。
3、 如权利要求 1所述的方法， 其中，
所述点击拨号业务开放平台收到所述彩铃平台回复的应答响应后呼叫所 述被叫的步骤为： 所述点击拨号业务开放平台在收到所述彩铃平台回复的应 答响应后， 延时一段时间后再呼叫所述被叫。
4、 如权利要求 3所述的方法， 其中，
所述第一呼叫请求中还携带有延时时长；
所述点击拨号业务开放平台延时一段时间后再呼叫所述被叫的步骤为： 所述点击拨号业务开放平台根据所述第一呼叫请求中携带的延时时长的值， 延时一段时间后再呼叫所述被叫。
5、 如权利要求 1~4中任一项所述的方法， 还包括：
在向所述点击拨号业务开放平台发送所述第一呼叫请求之前， 所述用户 通过所述点击拨号客户端向所述彩铃平台进行注册； 在注册成功后， 所述彩 铃平台保存所述用户的业务标识信息与所述点击拨号客户端定制的多媒体文 件之间的对应关系； 其中
所述第一呼叫请求中还携带有所述业务标识信息；
所述点击拨号业务开放平台在收到所述第一呼叫请求后向所述彩铃平台 发送第二呼叫请求的步骤为： 所述点击拨号业务开放平台在收到携带所述业 务标识信息的第一呼叫请求后， 向所述彩铃平台发送携带所述业务标识信息 的第二呼叫请求； 所述彩铃平台向所述主叫用户播放所述点击拨号客户端定制的多媒体文 件的步骤包括： 所述彩铃平台根据所述第二呼叫请求中携带的所述业务标识 信息在本地查找出与该业务标识信息对应的多媒体文件， 然后向所述主叫用 户播放。
6、 如权利要求 1所述的方法， 其中，
所述被叫回复的应答响应为振铃通知消息；
所述方法还还包括： 所述点击拨号业务开放平台判断所述被叫回复的振 铃通知消息中是否携带有所述被叫定制的多媒体文件所在彩铃平台的会话描 述协议 SDP信息， 若有， 则在针对该消息回复的临时响应中携带一个无效的 SDP信息。
7、 一种点击拨号业务系统， 包括点击拨号客户端、 点击拨号业务开放平 台及彩铃平台；
所述点击拨号客户端设置成在用户发起点击拨号指令后， 向所述点击拨 号业务开放平台发送携带参与此次点击拨号过程的主叫和被叫的号码信息的 第一呼叫请求；
所述点击拨号业务开放平台设置成： 在收到所述第一呼叫请求后， 呼叫 所述主叫， 并在收到所述主叫回复的应答响应后， 向所述彩铃平台发起第二 呼叫请求； 以及在收到所述彩铃平台回复的应答响应后， 呼叫所述被叫， 并 在收到所述被叫回复的应答响应后， 向所述彩铃平台发送终止播放所述多媒 体文件的通知消息；
所述彩铃平台设置成： 在收到所述第二呼叫请求后， 向所述主叫用户播 放所述点击拨号客户端定制的多媒体文件， 并向所述点击拨号业务开放平台 回复应答响应； 以及在收到所述点击拨号业务开放平台发来的所述终止播放 所述多媒体文件的通知消息后， 停止向所述主叫播放所述多媒体文件。
8、 如权利要求 7所述的系统， 其中，
所述点击拨号业务开放平台还设置成在收到所述被叫回复的应答响应 后， 重新进行所述主叫和所述被叫间的媒体协商。
9、 如权利要求 7所述的系统， 其中，
所述点击拨号业务开放平台是设置成通过以下方式呼叫所述被叫在收到 所述彩铃平台回复的应答响应后， 延时一段时间后再呼叫所述被叫。
10、 如权利要求 9所述的系统， 其中，
所述第一呼叫请求中还携带有延时时长；
所述点击拨号业务开放平台是设置成根据所述第一呼叫请求中携带的延 时时长的值， 延时一段时间后再呼叫所述被叫。
11、 如权利要求 7所述的方法， 其中，
所述被叫回复的应答响应为振铃通知消息；
所述点击拨号业务开放平台还设置成判断所述被叫回复的振铃通知消息 中是否携带有所述被叫定制的多媒体文件所在彩铃平台的会话描述协议 SDP 信息， 若有， 则在针对该消息回复的临时响应中携带一个无效的 SDP信息。
12、 一种支持在点击拨号过程中嵌套多媒体的点击拨号业务开放平台， 所述点击拨号业务开放平台设置成：
在收到用户通过点击拨号客户端发来的携带主叫和被叫的号码信息的第 一呼叫请求后， 呼叫所述主叫， 并在收到所述主叫回复的应答响应后， 向彩 铃平台发起第二呼叫请求； 以及在收到所述彩铃平台回复的应答响应后， 呼 叫所述被叫， 并在收到所述被叫回复的应答响应后， 通知所述彩铃平台终止 所述多媒体文件的播放。
13、 如权利要求 12所述的点击拨号业务开放平台， 其中，
所述被叫回复的应答响应为振铃通知消息；
所述点击拨号业务开放平台还设置成： 判断所述被叫回复的振铃通知消 息中是否携带有所述被叫定制的多媒体文件所在彩铃平台的会话描述协议
SDP信息， 若有， 则在针对该消息回复的临时响应中携带一个无效的 SDP信 息。
14、 一种支持在点击拨号过程中嵌套多媒体的彩铃平台， 所述彩铃平台 设置成： 在收到点击拨号业务开放平台发送的第二呼叫请求后， 向主叫用户 播放点击拨号客户端定制的多媒体文件 , 并向所述点击拨号业务开放平台回 复应答响应。
PCT/CN2010/074746 2010-03-17 2010-06-29 在点击拨号过程中嵌套多媒体的方法和点击拨号业务系统 WO2011113240A1 (zh)

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