WO2008095385A1 - Procédé, système et dispositif d'appel personnalisé - Google Patents

Procédé, système et dispositif d'appel personnalisé Download PDF

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Publication number
WO2008095385A1
WO2008095385A1 PCT/CN2007/070636 CN2007070636W WO2008095385A1 WO 2008095385 A1 WO2008095385 A1 WO 2008095385A1 CN 2007070636 W CN2007070636 W CN 2007070636W WO 2008095385 A1 WO2008095385 A1 WO 2008095385A1
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WO
WIPO (PCT)
Prior art keywords
ringback tone
calling
code
tone
called
Prior art date
Application number
PCT/CN2007/070636
Other languages
English (en)
French (fr)
Inventor
Zhifeng Zhang
Qingchun Shen
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to EP07801045A priority Critical patent/EP2120468A4/en
Priority to US12/098,072 priority patent/US8295464B2/en
Publication of WO2008095385A1 publication Critical patent/WO2008095385A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
    • 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
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42017—Customized ring-back tones

Definitions

  • the present invention relates to the field of ring back tone implementation technologies, and in particular, to a method, system and apparatus for implementing a ring back tone service. Background of the invention
  • NGN Next Generation Network
  • the existing ring back tone service is a service that is customized by the called user to provide the user with a pleasant music or a greeting or a customized voice recorded by the customizer to replace the ordinary ring back tone.
  • the called ring to you business.
  • the main devices that implement the ringback tone service are:
  • the softswitch (SX, Softswitch) of the called user is directly connected to the calling user and the called user, and is responsible for connecting the call between the users;
  • AS Application Server
  • Ringback tone platform used to provide unified ringback tone file management; a media resource server (MRS) for storing a ringback tone file and playing a ringback tone for the calling user;
  • MRS media resource server
  • the Smart Home Location Register (SHLR) is used to save the user's ringback tone service subscription information.
  • FIG. 1 is a flowchart of implementing the ringback tone service in the prior art. The method comprises the following steps:
  • Step 101 The calling user calls the called user, and the call is transmitted to the sx where the called user is located.
  • Step 103 The AS determines, by the called ringback tone access code, that the ringback tone service is called, and returns the called number to the SX where the called user is located, and calls the called user.
  • Step 104 The SX where the called user is located is connected to the called user.
  • Step 105 The called user rings, and sends a ringing message to the SX where the called user is located.
  • Step 107 The AS obtains the called ringback tone code from the ringback tone query interface to the ringback tone platform, and parses the storage address of the called ringback tone file according to the called ringback tone code.
  • Step 108 The AS sends the storage address of the called ringback tone file to the MRS, and requests the MRS to play the corresponding ringback tone to the calling user.
  • Step 109 The MRS obtains the called ringback tone file according to the received address, and plays a ringback tone to the calling user.
  • the called party picks up the phone and continues to perform the following steps:
  • Step 110 The called user picks up the phone and sends an off-hook message to the SX where the called user is located.
  • Step 111 The SX where the called user is located sends an off-hook message to the AS, and the notification is already connected. The called user.
  • Step 112 The AS sends an end ringback tone playback message to the MRS, and the MRS ends the playback.
  • Step 113 The AS controls the calling user and the called user to perform two-way negotiation, and the calling user and the called user talk normally.
  • the embodiment of the present invention provides a method for implementing a ring back tone service based on an NGN, which enables the calling user to listen to the calling user's own customized ringback while waiting for the called user to ring. sound.
  • the method includes:
  • the application server receives a call request from a ringback tone user of the softswitch, where the call request carries a callback ringtone access code;
  • the application server obtains the calling ringback tone code from the ringback tone platform according to the calling ringback tone access code, and according to the calling ringback tone code, the media resource server plays the calling ringback tone code corresponding to the calling party user. Ringback tone.
  • the embodiment of the present invention further provides another method for implementing a ring back tone service based on the NGN.
  • the method enables the calling user to listen to the called user's own customized back according to the preset setting while waiting for the called user to ring. Ringtone or the ringback tone customized by the called user.
  • the method includes:
  • the application server receives a call request from a ringback tone user of the softswitch, where the call request carries a callback ringtone access code;
  • the application server authenticates the calling number, obtains the ringback tone priority information of the calling ringback tone user, and obtains the ringback tone code according to the ringback tone priority information, indicating the media resource service.
  • the player plays the ring back tone for the calling user.
  • the embodiment of the invention further provides a system for implementing a ring back tone service based on the NGN.
  • the system realizes that the calling user plays its own customized ring back tone during the ringing process of the calling user waiting for the called user.
  • the system includes: a softswitch, an application server, a ring back tone platform, and a media resource server;
  • a softswitch configured to send a call request of a calling ringback tone user to the application server, where the call request carries a calling ringback tone access code
  • the application server is configured to obtain a calling ringback tone code from the ringback tone platform according to the received ringback tone access code, and indicate that the media resource server plays the calling user according to the calling ringback tone code
  • the ringback tone corresponding to the ringback tone code of the calling party
  • the media resource server is configured to play, according to an instruction of the application server, a ringback tone corresponding to the calling ringback tone code of the calling party.
  • An embodiment of the present invention provides an application server that implements a ring back tone service based on an NGN, where the application server includes a calling ringback tone encoding acquisition module and a ring back tone playing indication module, where:
  • the calling ringback tone encoding obtaining module is configured to obtain a calling ringback tone code from the ringback tone platform according to the calling ringback tone access code, and send the calling ringback tone code to the ringback tone playing indication Module
  • the ringback tone play indication module is configured to instruct the media resource server to play the ring back tone corresponding to the calling ringback tone code of the calling party according to the received calling ringback tone code.
  • An embodiment of the present invention provides a media resource server that implements a ring back tone service based on an NGN, where the media resource server includes: a ring back tone storage module and a calling ring back tone playing module; and the ring back tone storage module is configured to Storing a ringback tone file;
  • the calling ringback tone playing module is configured to receive, by the application server, an indication that the calling user plays a ringback tone corresponding to the calling ringback tone code, and play the calling user according to the indication.
  • the ringback tone corresponding to the ringback tone code of the calling party is configured to receive, by the application server, an indication that the calling user plays a ringback tone corresponding to the calling ringback tone code, and play the calling user according to the indication.
  • the ringback tone corresponding to the ringback tone code of the calling party is configured to receive, by the application server, an indication that the calling user plays a ringback tone corresponding to the calling ringback tone code, and play the calling user according to the indication.
  • the ringback tone corresponding to the ringback tone code of the calling party is configured to receive, by the application server, an indication that the calling user plays a ringback tone corresponding to the calling ringback tone code, and play the calling user according to the indication.
  • the application server first obtains the calling ringback tone code from the ring back tone platform, and then the application server indicates the media resource server according to the calling ringback tone coding. Ask the user to play the ringback tone.
  • the calling user can customize the ring back tone in advance, save the ring back tone file in the media resource server, and save the calling ring back tone code on the ring back tone platform, thereby applying the server.
  • the calling ringback tone code can be obtained from the ring back tone platform, and the media ringing tone code is used to indicate that the media resource server plays the ring back tone for the calling user.
  • the embodiment of the present invention enables the calling user to listen to the ringback tone customized by the calling user while waiting for the called user to ring, without passively listening to the ringback tone or the ordinary ringing tone customized by the called user.
  • the embodiment of the present invention can also enable the calling user to listen to the ringback tone customized by the calling user or the ring back tone customized by the called user according to the preset setting while waiting for the called user to ring.
  • FIG. 2 is a schematic diagram of a system structure for implementing a ring back tone service based on an NGN according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a system for implementing a ring back tone service according to a preferred embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of an AS according to a preferred embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of an MRS according to a preferred embodiment of the present invention.
  • FIG. 6 is a flowchart of a method for implementing a ring back tone service based on an NGN and using a Session Initiation Protocol (SIP) according to an embodiment of the present invention. Mode for carrying out the invention
  • FIG. 2 is a schematic structural diagram of a system for implementing a ring back tone service based on an NGN according to an embodiment of the present invention
  • the system includes: an SX 201, an AS 202, a ring back tone platform 203, and an MRS 204.
  • SX 201 configured to send a call request of a calling ringback tone user to the AS 202, where the call request carries a calling ringback tone access code
  • the AS 202 is configured to obtain a calling ringback tone code from the ringback tone platform 203 according to the received calling ringback tone access code, and use the MRS 204 to play the calling party as the calling party according to the calling ringback tone coding indication.
  • the MRS 204 is configured to play a ringback tone corresponding to the calling ringback tone code of the calling party according to the indication of the AS 202.
  • FIG. 3 is a schematic structural diagram of a system for implementing a ring back tone service according to a preferred embodiment of the present invention.
  • the system includes: SX 301, AS 302, ring back tone platform 303, MRS 304, SHLR 305, calling ringback tone query module 306, and called ringback tone query module 307.
  • SX 301 configured to send the calling number to the SHLR 305, and query whether the calling user subscribes to the calling ringback tone service; when the SHLR 305 returns the calling ringback tone access code, send the calling ringback to the AS 302. The call message of the tone access code.
  • the AS 302 is configured to authenticate the calling number after receiving the calling ringback tone access code, and determine whether the ringback tone priority information set by the calling user is the calling priority information or the called priority information: If it is the calling priority information, the AS 302 obtains the calling ringback tone code from the ring back tone platform 303, and according to the calling ringback tone code indication, the MRS 304 plays the calling ringback tone code corresponding to the calling party. Ringback tone; if it is the called priority information, the AS 302 acquires the called ringback tone code from the ringback tone platform 303, and instructs the MRS according to the called ringback tone code indication. 304 plays the ring back tone corresponding to the called ringback tone code for the calling user.
  • the ring back tone platform 303 is configured to store the calling ringback tone code and the called ringback tone code of the user, and provide the AS 302 with the ringback tone code and the called ringback tone code.
  • the MRS 304 is configured to play a ringback tone corresponding to the calling ringback tone code or the called ringback tone code of the called party.
  • the SHLR 305 is configured to determine whether the calling party corresponding to the received calling number has signed the ring back tone service, and returns the calling ringback tone access code of the signed calling party to the SX 301.
  • the AS 302 and the ring back tone platform 303 include a calling ringback tone query module 306 and a called ringback tone query module 307 for transmitting the calling ringback tone code and the called ringback tone code to the AS 302, respectively.
  • the AS that implements the ring back tone service based on the NGN is configured to obtain the calling ringback tone code from the ring back tone platform, and instruct the MRS to play the ring back tone corresponding to the calling ringback tone code of the calling party.
  • FIG. 4 is a schematic view showing the structure of an AS according to a preferred embodiment of the present invention.
  • the AS includes a calling ringback tone encoding acquisition module 401 and a ringback tone playing indication module 402, where:
  • the calling ringback tone encoding obtaining module 401 is configured to obtain a calling ringback tone code from the ringback tone platform, and send the calling ringback tone code to the ringback tone playing.
  • the ring back tone playing indication module 402 is configured to: according to the received calling ringback tone coding indication, the MRS plays the ring back tone corresponding to the calling ringback tone code of the calling party.
  • the AS may further include an authentication module 403 and a called ringback tone coded acquisition block 404.
  • the authentication module 403 is configured to authenticate the calling number and obtain the ringback of the ring back tone user. If the ringback tone priority information is the calling priority information, the calling ringback tone encoding obtaining module 401 is configured to obtain the calling ringback tone code from the ringback tone platform; if the ringback tone priority information If the called priority information is used, the called ringback tone encoding acquisition module 404 obtains the called ringback tone code from the ringback tone platform;
  • the calling ringback tone encoding acquisition module 401 is further configured to: when the ringback tone priority information acquired by the authentication module 403 is the calling priority information, obtain the calling ringback tone code from the ringback tone platform, and The ring back tone code is sent to the ring back tone play indication module 402.
  • the called ringback tone code obtaining module 404 is configured to: when the ringback tone priority information acquired by the authentication module 403 is the called priority information, obtain the called ringback tone code from the ringback tone platform, and use the called ringback tone code to The ring back tone code is sent to the ring back tone play indication module 402.
  • the ringback tone play indication module 402 is further configured to: according to the received ringback tone code indication, the MRS plays the ringback tone corresponding to the called ringback tone code for the calling user.
  • FIG. 5 is a schematic diagram of an MRS structure in accordance with a preferred embodiment of the present invention.
  • the MRS includes a ring back tone storage module 501 and a calling ring back tone playing module 502;
  • the ring back tone storage module 501 is configured to store a ring back tone file
  • the calling ringback tone playing module 502 is configured to receive, by the AS, an indication of a ringback tone corresponding to the calling ringback tone code of the calling party, and play the calling ringback tone code of the calling party according to the indication. Corresponding ringback tone.
  • the MRS may further include a called ringback tone playing module 503, and the called ringback tone playing module 503 is configured to receive, by the AS, the ringback tone corresponding to the called ringback tone code of the called party.
  • the indication according to the instruction is to play the ring back tone corresponding to the called ringback tone code of the called party.
  • the AS receives the call clearing of the calling ringback tone user from the SX, and the call request carries the calling ringback tone access code;
  • the AS obtains the calling ringback tone code from the ringback tone platform according to the calling ringback tone access code, and according to the calling ringback tone code, the MRS plays the ringback tone corresponding to the calling ringback tone code of the calling party. .
  • the foregoing method may further include: the SX acquiring the calling ringback tone access code from the SHLR.
  • the AS instructs the media resource server to play the ringback tone corresponding to the ringback tone of the calling party according to the calling ringback tone code
  • the AS is specifically configured to: the AS ringback tone encoding obtained by the AS. Sending a ringback tone storage address, and sending the ringback tone storage address to the MRS;
  • the MRS obtains a ringback tone file according to the ringback tone storage address, and plays a ringback tone to the calling user.
  • the present invention proposes another method embodiment for implementing a ring back tone service based on NGN.
  • the method includes:
  • the AS receives the call clearing of the calling ringback tone user from the SX, and the call request carries the calling ringback tone access code;
  • the AS authenticates the calling number, obtains the ring back tone priority information of the calling ring back tone user, and obtains the ring back tone code according to the ring back tone priority information, instructing the MRS to play the ring back tone for the calling user.
  • the foregoing method may further include: the SX acquiring the calling ringback tone access code from the SHLR.
  • the indicating, according to the ringback tone priority information, indicating that the MRS is the calling user broadcast The way to put back the ring tone can be:
  • the AS obtains the calling ringback tone code from the ringback tone platform, and according to the calling ringback tone code, the MRS plays the calling ringback tone for the calling user. Coding the corresponding ring back tone;
  • the AS obtains the called ringback tone code from the ringback tone platform, and according to the called ringback tone code, the MRS plays the called ringback tone for the calling user. Encode the corresponding ring back tone.
  • FIG. 6 is a flowchart of a method for implementing a ring back tone service based on an NGN and using SIP according to an embodiment of the present invention.
  • the calling user has subscribed to the calling ringback tone service, and adopts the second method embodiment of the present invention, and selects the calling user to play the calling user's own customization according to the preset ring back tone priority information.
  • the specific process is as follows:
  • the calling user calls the called user, and sends a call request, that is, an Invite message, to the SX where the calling user is located.
  • the SX of the calling user sends an Invite message to the AS after querying the SHLR to identify that the calling user has subscribed to the ringback tone service of the calling party.
  • the specific process is as follows:
  • the SX of the calling user sends the calling number to the SHLR according to the received Invite message, and the SHLR determines that the calling user corresponding to the calling number has signed the ring back tone service, and the calling user is located at the SX.
  • the calling subscriber's SX adds the received ringback tone access code to the AS in the Invite message.
  • the AS receives the ringing message and triggers the ringback tone playback process.
  • the AS sends the called number to the SX where the calling user is located through the Invite message.
  • the Invite message contains a fake call media description information.
  • the SX where the calling user is located forwards the Invite message to the called user, and then connects the called party.
  • the called user rings, and the 180 ringing message carrying the media description information of the called user is sent to the SX where the calling user is located.
  • the SX that the calling user is located forwards the received 180 ringing message to the AS, and triggers the ringing tone playing process.
  • the AS 4 processes the ringback tone playing process according to the ringback tone priority information of the calling user and the authentication of the called user.
  • the specific process is as follows:
  • the AS searches for the relevant calling ringback tone code through the calling ringback tone query module to the ringback tone platform;
  • the AS authenticates the called user to determine whether it has subscribed to the called ringback tone service: If the authentication passes, the AS searches through the called ringback tone query module to the ringback tone platform.
  • the related called ringback tone code is encoded; otherwise, the AS searches for the relevant calling ringback tone code through the calling ringback tone query module to the ringback tone platform.
  • the ringback tone priority information is set by the calling user in advance, and may be the calling priority information or the called priority information.
  • the calling priority information is: During the waiting for the called party to ring, the system preferentially plays the customized ring back tone to the calling user.
  • the called priority information is: During the waiting for the called party to ring, the system preferentially plays the ringback tone customized by the called user to the calling user.
  • the AS obtains a calling ringback tone code or a called ringback tone code from the ringback tone platform through the interface.
  • the AS sends an Invite request to the MRS to play a ringback tone for the calling user.
  • the MRS returns a 200 OK message.
  • the AS sends a 180 ringing message carrying the MRS media description information to the calling party.
  • User sx The AS sends a 180 ringing message carrying the MRS media description information to the calling party.
  • the SX that the calling user is located forwards the received 180 ringing message to the calling user.
  • the SX of the calling user sends a PRACK message to the AS.
  • the AS sends back an ACK message to the MRS, instructing the MRS to start playing a ring back tone to the calling user.
  • the AS sends a 200 OK message to the SX where the calling user is located.
  • the MRS plays a ring back tone to the calling user via a media channel, such as a Universal Media Gateway (UMG).
  • UMG Universal Media Gateway
  • the called user picks up the phone and sends a 200 OK message carrying the media description information of the called user to the SX where the calling user is located.
  • the SX that the calling user is located sends a 200 OK message to the AS, and informs the AS that the called user has been connected.
  • the AS sends a Bye message to the MRS, and the MRS ends the playback.
  • the MRS sends a 200 OK message to the AS, and the AS sends an ACK message to the SX where the calling user is located, and the SX where the calling user is located sends the ACK message to the called user.
  • the AS control releases the MRS resource, the calling user and the called user are connected to make a call.
  • the calling user may not set the ring back tone priority information in advance, and the system plays its own customized ring back tone for the calling user.
  • the AS does not need to determine whether the ringback tone priority information is the calling priority information or the called priority information, but instead: the AS directly searches for the relevant calling back through the calling ringback tone query module to the ringback tone platform. Ring tone code.
  • the method, system AS and MRS for implementing the ringback tone service of the calling party based on the NGN network can play the customized ring back tone of the calling party.
  • the calling user can be selected to play its own customized ring back tone, or the ring back tone customized by the called user.

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  • Computer Networks & Wireless Communication (AREA)
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Description

实现回铃音业务的方法、 系统及装置 技术领域
本发明涉及回铃音实现技术领域，特别涉及实现回铃音业务的方法、 系统及装置。 发明背景
随着网络的发展， 人们对通信的需求越来越多， 增值业务的多样性 一成不变。 在如今这个彰扬个性的时代里， 人们也希望别人在打电话给 自己时不再听到那单调的嘟嘟声。 这就给增值业务的提供者带来了巨大 的商机。 随着下一代网络 (NGN, Next Generation Network) 时代的到 来， 网络带宽不断增加、 网络能力不断增强、 功能不断丰富。 我们可以 通过 NGN网絡为用户提供更加丰富多彩的回铃音， 例如歌曲、 动画、 电 影片断等等， 充分满足用户的个性化需求。
现有的回铃音业务是一项由被叫用户定制， 为主叫用户提供一段悦 耳的音乐或一句问候语或定制者自行录制合成的一段提示语音来替代 普通回铃音的业务， 称为被叫回铃音（ Ring to you )业务。
在 NGN网络中， 实现被叫回铃音业务的主要设备有：
被叫用户所在软交换（ SX， Softswitch ) , 直接与主叫用户及被叫 用户相连， 负责接续用户之间的通话；
应用服务器 （AS , Application Server) ， 用于为用户提供回铃音业 务；
回铃音平台： 用于提供统一的回铃音文件管理； 媒体资源服务器（MRS , Media Resource Server ) , 用于存储回铃 音文件， 并为主叫用户播放回铃音；
智能归属位置寄存器（SHLR, Smart Home Location Register ) , 用 于保存用户的被叫回铃音业务签约信息。
被叫回铃音业务的实现方法如图 1所示， 图 1为现有技术中被叫回铃 音业务的实现流程图。 该方法包括如下步骤：
步骤 101、 主叫用户呼叫被叫用户， 呼叫传送至被叫用户所在 sx。 步骤 102、被叫用户所在 SX将被叫号码发送到 SHLR,查询被叫用 户是否已签约被叫回铃音业务。 如果是， 则 SHLR返回被叫回铃音接入 码， 被叫用户所在 SX将被叫回铃音接入码添加在被叫号码之前， 发送 到 AS。
步骤 103、 AS通过被叫回铃音接入码判断出是被叫回铃音业务，将 被叫号码返回到被叫用户所在 SX , 呼叫被叫用户。
步骤 104、 被叫用户所在 SX接续路由被叫用户。
步骤 105、 被叫用户振铃， 将振铃消息发送给被叫用户所在 SX。 步骤 106、 被叫用户所在 SX将振铃消息发送给 AS。
步骤 107、 AS通过回铃音查询接口到回铃音平台中获取被叫回铃音 编码， 根据被叫回铃音编码解析出被叫回铃音文件的存放地址。
步骤 108、 AS将被叫回铃音文件的存放地址发送给 MRS ,要求 MRS 向主叫用户播放相应的回铃音。
步骤 109、 MRS根据收到的地址获取被叫回铃音文件， 并向主叫用 户播放回铃音。
被叫摘机应答， 继续执行以下步骤：
步骤 110、 被叫用户摘机应答， 向被叫用户所在 SX发送摘机消息。 步骤 111、 被叫用户所在 SX将摘机消息发送给 AS , 告知已经接通 被叫用户。
步骤 112、 AS向 MRS发送结束回铃音播放消息， MRS结束放音。 步骤 113、 AS控制主叫用户和被叫用户进行双向协商， 主叫用户和 被叫用户正常通话。
可见， 现有的被叫回铃音业务中， 主叫用户拨打电话时， 只能被动 地听取由被叫用户定制的回铃音； 如果被叫用户没有定制回铃音， 则主 叫用户只能听到普通回铃音。 发明内容
有鉴于此， 本发明实施例提供了一种基于 NGN实现回铃音业务的 方法， 该方法实现了使主叫用户在等待被叫用户振铃过程中， 能够听取 主叫用户自己定制的回铃音。 该方法包括：
应用服务器接收来自软交换的主叫回铃音用户的呼叫请求， 所述呼 叫请求中携带主叫回铃音接入码；
应用服务器根据主叫回铃音接入码从回铃音平台获取主叫回铃音 编码 , 根据所述主叫回铃音编码指示媒体资源服务器为主叫用户播放主 叫回铃音编码对应的回铃音。
本发明实施例还提供了另一种基于 NGN实现回铃音业务的方法， 该方法实现了使主叫用户在等待被叫用户振铃过程中 , 能够根据预先设 置听取主叫用户自己定制的回铃音或被叫用户定制的回铃音。 该方法包 括：
应用服务器接收来自软交换的主叫回铃音用户的呼叫请求， 所述呼 叫请求中携带主叫回铃音接入码；
应用服务器对主叫号码进行鉴权， 获取主叫回铃音用户的回铃音优 先信息， 根据所述回铃音优先信息获取回铃音编码， 指示媒体资源服务 器为主叫用户播放回铃音。
本发明实施例还提供了一种基于 NGN实现回铃音业务的系统， 该 系统实现了在主叫用户等待被叫用户振铃过程中 , 为主叫用户播放其自 己订制的回铃音。 该系统包括： 软交换、 应用服务器、 回铃音平台和媒 体资源服务器；
软交换， 用于向应用服务器发送主叫回铃音用户的呼叫请求， 所述 呼叫请求中携带主叫回铃音接入码；
所述应用服务器， 用于根据接收到的主叫回铃音接入码从回铃音平 台获取主叫回铃音编码， 根据所述主叫回铃音编码指示媒体资源服务器 为主叫用户播放主叫回铃音编码对应的回铃音；
所述媒体资源服务器， 用于根据应用服务器的指示， 为主叫用户播 放主叫回铃音编码对应的回铃音。
本发明实施例提供了一种基于 NGN实现回铃音业务的应用服务器， 该应用服务器包括主叫回铃音编码获取模块和回铃音播放指示模块， 其 中：
主叫回铃音编码获取模块， 用于根据主叫回铃音接入码从回铃音平 台获取主叫回铃音编码， 并将所述主叫回铃音编码发送给回铃音播放指 示模块；
回铃音播放指示模块， 用于根据收到的主叫回铃音编码指示媒体资 源服务器为主叫用户播放主叫回铃音编码对应的回铃音。
本发明实施例提供了一种基于 NGN实现回铃音业务的媒体资源服 务器，该媒体资源服务器包括：回铃音存储模块和主叫回铃音播放模块； 所述回铃音存储模块， 用于存储回铃音文件；
所述主叫回铃音播放模块 , 用于接收应用服务器发送的为主叫用户 播放主叫回铃音编码对应的回铃音的指示， 根据该指示为主叫用户播放 主叫回铃音编码对应的回铃音。
从上述技术方案中可以看出， 在本发明实施例中， 应用服务器首先 从回铃音平台获取主叫回铃音编码， 然后应用服务器根据所述主叫回铃 音编码指示媒体资源服务器为主叫用户播放回铃音。 由此可见， 应用本 发明实施例， 主叫用户能够事先自己定制回铃音， 将回铃音文件保存在 媒体资源服务器中， 同时在回铃音平台保存主叫回铃音编码， 从而应用 服务器能够从回铃音平台获取主叫回铃音编码， 并通过主叫回铃音编码 指示媒体资源服务器为主叫用户播放回铃音。 所以， 本发明实施例能够 使主叫用户在等待被叫用户振铃过程中， 听取主叫用户自己定制的回铃 音， 而无需被动听取被叫用户定制的回铃音或普通振铃音。 另外， 本发 明实施例还能够使主叫用户在等待被叫用户振铃过程中 , 根据预先设置 选择听取主叫用户自己定制的回铃音或被叫用户定制的回铃音。 附图简要说明
图 1为现有技术中被叫回铃音业务的实现流程图；
图 2为根据本发明实施例基于 NGN实现回铃音业务的系统结构示 意图；
图 3为根据本发明较佳实施例实现回铃音业务的系统结构示意图； 图 4为根据本发明较佳实施例的 AS结构示意图；
图 5为根据本发明较佳实施例的 MRS结构示意图；
图 6为本发明实施例基于 NGN、 采用会话发起协议 ( SIP, Session Initiation Protocol ) 实现回铃音业务的方法流程图。 实施本发明的方式
为使本发明实施例的技术方案和优点更加清楚明白， 下面结合实施 例和附图对本发明进行详细说明。
参见图 2,图 2为根据本发明实施例基于 NGN实现回铃音业务的系 统结构示意图； 该系统包括： SX 201、 AS 202、 回铃音平台 203和 MRS 204。
SX 201 , 用于向 AS 202发送主叫回铃音用户的呼叫请求， 所述呼 叫请求中携带主叫回铃音接入码；
AS 202, 用于根据接收到的主叫回铃音接入码从回铃音平台 203获 取主叫回铃音编码，根据所述主叫回铃音编码指示 MRS 204为主叫用户 播放主叫回铃音编码对应的回铃音；
MRS 204,用于根据 AS 202的指示，为主叫用户播放主叫回铃音编 码对应的回铃音。
基于图 2所示结构， 根据具体应用场景的不同， 本发明实施例可以 有多种的具体的实现方式。 比如： 参见图 3, 图 3为根据本发明较佳实 施例实现回铃音业务的系统结构示意图。 如图 3所示， 该系统包括： SX 301、 AS 302、 回铃音平台 303、 MRS 304 、 SHLR 305、 主叫回铃音查 询模块 306以及被叫回铃音查询模块 307。
SX 301 , 用于将主叫号码发送至 SHLR 305 , 查询主叫用户是否签 约主叫回铃音业务； 当 SHLR 305返回主叫回铃音接入码后 , 向 AS 302 发送携带主叫回铃音接入码的呼叫消息。
AS 302,用于在收到主叫回铃音接入码之后，对主叫号码进行鉴权， 判断主叫用户事先设定的回铃音优先信息是主叫优先信息还是被叫优 先信息： 如果是主叫优先信息， 则 AS 302从回铃音平台 303获取主叫 回铃音编码 , 艮据所述主叫回铃音编码指示 MRS 304为主叫用户播放主 叫回铃音编码对应的回铃音； 如果是被叫优先信息， 则 AS 302从回铃 音平台 303获取被叫回铃音编码， 根据所述被叫回铃音编码指示 MRS 304为主叫用户播放被叫回铃音编码对应的回铃音。
回铃音平台 303 , 用于存储用户的主叫回铃音编码和被叫回铃音编 码， 并为 AS 302提供主叫回铃音编码和被叫回铃音编码。
MRS 304, 用于为主叫用户播放主叫回铃音编码或被叫回铃音编码 对应的回铃音。
SHLR 305 ,用于判断接收到的主叫号码所对应的主叫用户是否已签 约回铃音业务， 并向 SX 301返回已签约的主叫用户的主叫回铃音接入 码。
AS 302与回铃音平台 303之间包括主叫回铃音查询模块 306和被叫 回铃音查询模块 307 ,分别用于向 AS 302传送主叫回铃音编码和被叫回 铃音编码。
本发明实施例基于 NGN实现回铃音业务的 AS，用于从回铃音平 台获取主叫回铃音编码， 并指示 MRS为主叫用户播放主叫回铃音编 码对应的回铃音。
图 4为根据本发明较佳实施例的 AS结构示意图。
如图 4所示： 该 AS包括主叫回铃音编码获取模块 401和回铃音 播放指示模块 402， 其中：
主叫回铃音编码获取模块 401， 用于 居主叫回铃音接入码从回铃 音平台获取主叫回铃音编码， 并将所述主叫回铃音编码发送给回铃音播 放指示模块 402;
回铃音播放指示模块 402 , 用于根据收到的主叫回铃音编码指示 MRS为主叫用户播放主叫回铃音编码对应的回铃音。
优选地， 该 AS可以进一步包括鉴权模块 403和被叫回铃音编码获 料莫块 404。
鉴权模块 403 , 用于对主叫号码进行鉴权， 获取回铃音用户的回铃 音优先信息； 如果所述回铃音优先信息是主叫优先信息， 则指示主叫回 铃音编码获取模块 401从回铃音平台获取主叫回铃音编码； 如果所述回 铃音优先信息是被叫优先信息， 则指示被叫回铃音编码获取模块 404从 回铃音平台获取被叫回铃音编码；
主叫回铃音编码获取模块 401， 还用于当鉴权模块 403获取的回铃 音优先信息为主叫优先信息时， 从回铃音平台获取主叫回铃音编码， 并 将所述主叫回铃音编码发送给回铃音播放指示模块 402。
被叫回铃音编码获取模块 404, 用于当鉴权模块 403获取的回铃音 优先信息为被叫优先信息时， 从回铃音平台获取被叫回铃音编码， 并将 所述被叫回铃音编码发送给回铃音播放指示模块 402。
回铃音播放指示模块 402, 进一步用于根据收到的被叫回铃音编码 指示 MRS为主叫用户播放被叫回铃音编码对应的回铃音。
本发明实施例基于 NGN实现回铃音业务的 MRS , 用于根据 AS 的指示， 为主叫用户播放主叫回铃音编码对应的回铃音。 图 5为根据本 发明较佳实施例的 MRS结构示意图。
如图 5所示： 该 MRS包括回铃音存储模块 501和主叫回铃音播放 模块 502;
所述回铃音存储模块 501 , 用于存储回铃音文件；
所述主叫回铃音播放模块 502, 用于接收 AS发送的为主叫用户播 放主叫回铃音编码对应的回铃音的指示， 根据该指示为主叫用户播放主 叫回铃音编码对应的回铃音。
较佳地 , 上述 MRS中还可以进一步包括被叫回铃音播放模块 503 , 被叫回铃音播放模块 503用于接收 AS发送的为主叫用户播放被叫回铃 音编码对应的回铃音的指示， 根据该指示为主叫用户播放被叫回铃音编 码对应的回铃音。 基于上述结构， 本发明提出一种基于 NGN实现回铃音业务的方法 实施例。 该方法包括：
AS接收来自 SX的主叫回铃音用户的呼叫清求，所述呼叫请求中携 带主叫回铃音接入码；
AS 根据主叫回铃音接入码从回铃音平台获取主叫回铃音编码， 根 据所述主叫回铃音编码指示 MRS为主叫用户播放主叫回铃音编码对应 的回铃音。
上述方法之前还可以进一步包括： SX向 SHLR获取主叫回铃音接 入码。
在上述方法中， AS 根据主叫回铃音编码指示媒体资源服务器为主 叫用户播放主叫回铃音编码对应的回铃音具体为： AS 才艮据所获取的主 叫回铃音编码解析出回铃音存放地址， 将所述回铃音存放地址发送给 MRS;
MRS 根据回铃音存放地址获取回铃音文件， 向主叫用户播放回铃 音。
基于上述结构， 本发明提出另一种基于 NGN实现回铃音业务的方 法实施例。 该方法包括：
AS接收来自 SX的主叫回铃音用户的呼叫清求，所述呼叫请求中携 带主叫回铃音接入码；
AS对主叫号码进行鉴权， 获取主叫回铃音用户的回铃音优先信息， 根据所述回铃音优先信息获取回铃音编码， 指示 MRS 为主叫用户播放 回铃音。
上述方法之前还可以进一步包括： SX向 SHLR获取主叫回铃音接 入码。
在上述方法中， 所述根据回铃音优先信息指示 MRS 为主叫用户播 放回铃音的方式可以为：
当所述回铃音优先信息为主叫优先信息时， AS 从回铃音平台获取 主叫回铃音编码， 根据所述主叫回铃音编码指示 MRS为主叫用户播放 主叫回铃音编码对应的回铃音；
当所述回铃音优先信息为被叫优先信息时， AS 从回铃音平台获取 被叫回铃音编码， 根据所述被叫回铃音编码指示 MRS为主叫用户播放 被叫回铃音编码对应的回铃音。
参见图 6， 图 6为本发明实施例基于 NGN、 采用 SIP实现回铃音业 务的方法流程图。 在本实施例中， 主叫用户已签约主叫回铃音业务， 且 采用本发明的第二种方法实施例， 根据预先设置的回铃音优先信息选择 为主叫用户播放主叫用户自己定制的回铃音或被叫用户定制的回铃音。 具体流程如下：
601、主叫用户呼叫被叫用户，将呼叫请求即 Invite消息发送给主叫 用户所在 SX。
602、主叫用户所在 SX通过向 SHLR查询，识别出主叫用户已签约 主叫回铃音业务后， 将 Invite消息发送给 AS。
具体过程为： 主叫用户所在 SX根据收到的 Invite消息， 将主叫号 码发送给 SHLR, SHLR判断出该主叫号码所对应的主叫用户已签约回 铃音业务， 向主叫用户所在 SX返回主叫回铃音接入码， 主叫用户所在 SX再将收到的主叫回铃音接入码添加在 Invite消息中发送给 AS。 AS 收到添加了主叫回铃音接入码的 Invite消息后， 收到振铃消息， 就会触 发回铃音播放流程。
603、 AS通过 Invite消息将被叫号码下发至主叫用户所在 SX。为防 止被叫端局放音引起的混音， 该 Invite消息中包含有一个假的呼叫媒体 描述信息。 604、 主叫用户所在 SX转发 Invite消息至被叫用户， 接续被叫。
605、被叫用户振铃，将携带有被叫用户媒体描述信息的 180振铃消 息上才艮至主叫用户所在 SX。
606、 主叫用户所在 SX将收到的 180振铃消息转发给 AS , 触发回 铃音播放流程。
607、 AS 4艮据主叫用户的回铃音优先信息以及对被叫用户的鉴权， 处理回铃音播放流程 , 具体过程如下：
AS 首先根据主叫用户设定的回铃音优先信息判断是主叫优先信息 还是被叫优先信息：
如果是主叫优先信息， 则 AS通过主叫回铃音查询模块到回铃音平 台查找相关的主叫回铃音编码；
如果是被叫优先信息， 则 AS对被叫用户进行鉴权， 判定其是否已 签约被叫回铃音业务： 如果鉴权通过， 则 AS通过被叫回铃音查询模块 到回铃音平台查找相关的被叫回铃音编码； 否则 AS通过主叫回铃音查 询模块到回铃音平台查找相关的主叫回铃音编码。
回铃音优先信息是由主叫用户事先自主设定的， 可以是主叫优先信 息或被叫优先信息。 所述主叫优先信息为： 主叫用户在等待被叫振铃过 程中， 系统优先为主叫用户播放其自己定制的回铃音。 所述被叫优先信 息为： 主叫用户在等待被叫振铃过程中， 系统优先为主叫用户播放被叫 用户定制的回铃音。
608、 AS通过接口向回铃音平台获取主叫回铃音编码或被叫回铃音 编码。
609、 AS向 MRS发送为主叫用户播放回铃音的 Invite请求。
610、 MRS返回 200OK消息。
611、 AS将携带有 MRS媒体描述信息的 180振铃消息发送给主叫 用户所在 sx。
612、 主叫用户所在 SX将收到的 180振铃消息转发给主叫用户。
613、针对步骤 611中主叫用户所在 SX收到的 180振铃消息， 主叫 用户所在 SX回送 PRACK消息给 AS。
614、 AS回送 ACK消息到 MRS , 指示 MRS开始向主叫用户播放 回铃音。
615、针对步骤 613中 AS收到的 PRACK 消息， AS回送 200OK消 息给主叫用户所在 SX。 MRS通过媒体通道， 如通用媒体网关 （UMG ) 向主叫用户播放回铃音。
616、被叫用户摘机应答，将携带有被叫用户媒体描述信息的 200OK 消息发送给主叫用户所在 SX。
617、 主叫用户所在 SX将收到的 200OK消息发送给 AS， 告知 AS 已经接通被叫用户。
618、 AS向 MRS发送 Bye消息， 命令 MRS结束放音。
619-621、 MRS将 200OK消息发送给 AS， AS将 ACK消息发送给 主叫用户所在 SX, 主叫用户所在 SX将 ACK消息发送给被叫用户。 AS 控制释放 MRS资源后， 连接主叫用户和被叫用户进行通话。
在上述流程中， 也可以主叫用户事先没有设定回铃音优先信息， 系 统为主叫用户播放其自己定制的回铃音。 则步骤 607 中， AS不需要判 断回铃音优先信息是主叫优先信息还是被叫优先信息， 而改为： AS 直 接通过主叫回铃音查询模块到回铃音平台查找相关的主叫回铃音编码。
可见， 本发明实施例基于 NGN 网络实现主叫回铃音业务的方法、 系统 AS及 MRS ,能够为主叫用户播放其自己定制的回铃音。进一步地， 通过本发明实施例能够根据用户预先的设定， 选择为主叫用户播放其自 己定制的回铃音， 或被叫用户定制的回铃音。 综上所述， 以上仅为对本发明精神的展示， 而非用于限制本发明的 保护范围。凡在本发明的精神和原则之内，所作的任何修改、等同替换、 改进等， 均应包含在本发明的保护范围之内。

Claims

权利要求书
1、一种基于下一代网络 NGN实现回铃音业务的方法，其特征在于， 该方法包括：
应用服务器接收来自软交换的主叫回铃音用户的呼叫请求， 所述呼 叫请求中携带主叫回铃音接入码；
应用服务器根据主叫回铃音接入码从回铃音平台获取主叫回铃音 编码， 根据所述主叫回铃音编码指示媒体资源服务器为主叫用户播放主 叫回铃音编码对应的回铃音。
2、 根据权利要求 1 所述的方法， 其特征在于， 所述应用服务器接 收来自软交换的主叫回铃音用户的呼叫请求之前还包括：
软交换向智能归属位置寄存器获取主叫回铃音接入码。
3、 根据权利要求 1 所述的方法， 其特征在于， 所述应用服务器根 据所述主叫回铃音编码指示媒体资源服务器为主叫用户播放主叫回铃 音编码对应的回铃音具体为： 应用服务器根据所获取的主叫回铃音编码 解析出回铃音存放地址， 将所述回铃音存放地址发送给媒体资源服务 器；
媒体资源服务器根据回铃音存放地址获取回铃音文件， 向主叫用户 播放回铃音。
4、 一种基于 NGN实现回铃音业务的方法， 其特征在于， 该方法包 括：
应用服务器接收来自软交换的主叫回铃音用户的呼叫请求， 所述呼 叫请求中携带主叫回铃音接入码；
应用服务器对主叫号码进行鉴权， 获取主叫回铃音用户的回铃音优 先信息， 根据所述回铃音优先信息获取回铃音编码， 指示媒体资源服务 器为主叫用户播放回铃音。
5、 根据权利要求 4所述的方法， 其特征在于， 所述应用服务器接 收来自软交换的主叫回铃音用户的呼叫请求之前还包括：
软交换向智能归属位置寄存器获取主叫回铃音接入码。
6、 根据权利要求 4所述的方法， 其特征在于， 所述根据回铃音优 先信息指示智能归属位置寄存器为主叫用户播放回铃音的方式为： 当所述回铃音优先信息为主叫优先信息时， 应用服务器从回铃音平 台获取主叫回铃音编码， 根据所述主叫回铃音编码指示媒体资源服务器 为主叫用户播放主叫回铃音编码对应的回铃音；
当所述回铃音优先信息为被叫优先信息时， 应用服务器从回铃音平 台获取被叫回铃音编码， 根据所述被叫回铃音编码指示媒体资源服务器 为主叫用户播放被叫回铃音编码对应的回铃音。
7、 一种基于 NGN实现回铃音业务的系统， 其特征在于， 该系统包 括： 软交换、 应用服务器、 回铃音平台和媒体资源服务器；
所述软交换， 用于向应用服务器发送主叫回铃音用户的呼叫请求， 所述呼叫请求中携带主叫回铃音接入码；
所述应用服务器， 用于根据接收到的主叫回铃音接入码从回铃音平 台获取主叫回铃音编码， 根据所述主叫回铃音编码指示媒体资源服务器 为主叫用户播放主叫回铃音编码对应的回铃音；
所述媒体资源服务器， 用于根据应用服务器的指示， 为主叫用户播 放主叫回铃音编码对应的回铃音。
8、 根据权利要求 7所述的系统， 其特征在于：
所述应用服务器， 进一步用于对主叫号码进行鉴权， 获取主叫回铃 音用户的回铃音优先信息；
当所述回铃音优先信息为被叫优先信息时， 应用服务器进一步用于 从回铃音平台获取被叫回铃音编码， 根据所述被叫回铃音编码指示媒体 资源服务器为主叫用户播放被叫回铃音编码对应的回铃音；
所述媒体资源服务器， 进一步用于根据应用服务器的指示， 为主叫 用户播放被叫回铃音编码对应的回铃音。
9、 根据权利要求 7或 8所述的系统， 其特征在于， 所述系统进一 步包括： 智能归属位置寄存器；
所述智能归属位置寄存器， 用于向软交换发送主叫回铃音接入码。
10、 根据权利要求 7所述的系统， 其特征在于， 所述应用服务器和 回铃音平台之间进一步包括主叫回铃音查询模块；
所述主叫回铃音查询模块， 用于传送主叫回铃音编码。
11、 根据权利要求 8所述的系统， 其特征在于， 所述应用服务器和 回铃音平台之间进一步包括主叫回铃音查询模块和被叫回铃音查询模 块；
所述主叫回铃音查询模块， 用于传送主叫回铃音编码；
所述被叫回铃音查询模块， 用于传送被叫回铃音编码。
12、 一种基于 NGN实现回铃音业务的应用服务器， 其特征在于， 该应用服务器包括主叫回铃音编码获取模块和回铃音播放指示模块， 其 中：
主叫回铃音编码获取模块， 用于根据主叫回铃音接入码从回铃音平 台获取主叫回铃音编码， 并将所述主叫回铃音编码发送给回铃音播放指 示模块；
回铃音播放指示模块， 用于根据收到的主叫回铃音编码指示媒体资 源服务器为主叫用户播放主叫回铃音编码对应的回铃音。
13、 根据权利要求 12所述的应用服务器， 其特征在于， 所述应用 服务器进一步包括鉴权模块和被叫回铃音编码获取模块， 其中： 鉴权模块， 用于对主叫号码进行鉴权， 获取回铃音用户的回铃音优 先信息； 如果所述回铃音优先信息是主叫优先信息， 则指示主叫回铃音 编码获取模块从回铃音平台获取主叫回铃音编码； 如果所述回铃音优先 信息是被叫优先信息， 则指示被叫回铃音编码获取模块从回铃音平台获 取被叫回铃音编码；
主叫回铃音编码获取模块， 还用于当鉴权模块获取的回铃音优先信 息为主叫优先信息时， 从回铃音平台获取主叫回铃音编码 , 并将所述主 叫回铃音编码发送给回铃音播放指示模块；
被叫回铃音编码获取模块， 用于当鉴权模块获取的回铃音优先信息 为被叫优先信息时， 从回铃音平台获取被叫回铃音编码， 并将所述被叫 回铃音编码发送给回铃音播放指示模块；
回铃音播放指示模块， 进一步用于根据收到的被叫回铃音编码指示 媒体资源服务器 MRS为主叫用户播放被叫回铃音编码对应的回铃音。
14、 一种基于 NGN实现主叫回铃音业务的媒体资源服务器， 其特 征在于， 该媒体资源服务器包括： 回铃音存储模块和主叫回铃音播放模 块；
所述回铃音存储模块， 用于存储回铃音文件；
所述主叫回铃音播放模块， 用于接收应用服务器发送的为主叫用户 播放主叫回铃音编码对应的回铃音的指示， 根据该指示为主叫用户播放 主叫回铃音编码对应的回铃音。
15、 根据权利要求 14所述的媒体资源服务器， 其特征在于， 所述 媒体资源服务器进一步包括被叫回铃音播放模块；
所述被叫回铃音播放模块， 用于接收应用服务器发送的为主叫用户 播放被叫回铃音编码对应的回铃音的指示， 根据该指示为主叫用户播放 被叫回铃音编码对应的回铃音。
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