CN101854612B - IMS domain dialogue control method, system and supplementary business server - Google Patents

IMS domain dialogue control method, system and supplementary business server Download PDF

Info

Publication number
CN101854612B
CN101854612B CN 200910081149 CN200910081149A CN101854612B CN 101854612 B CN101854612 B CN 101854612B CN 200910081149 CN200910081149 CN 200910081149 CN 200910081149 A CN200910081149 A CN 200910081149A CN 101854612 B CN101854612 B CN 101854612B
Authority
CN
China
Prior art keywords
user
forwarding
media capability
crbt
description information
Prior art date
Application number
CN 200910081149
Other languages
Chinese (zh)
Other versions
CN101854612A (en
Inventor
甘亮
王钊
Original Assignee
中国移动通信集团公司
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 中国移动通信集团公司 filed Critical 中国移动通信集团公司
Priority to CN 200910081149 priority Critical patent/CN101854612B/en
Publication of CN101854612A publication Critical patent/CN101854612A/en
Application granted granted Critical
Publication of CN101854612B publication Critical patent/CN101854612B/en

Links

Abstract

本发明涉及移动通信技术,提供一种IMS域会话控制方法、系统和补充业务服务器,用以实现IMS域的彩铃无应答前转业务。 The present invention relates to mobile communication technologies, there is provided a method for session control in the IMS domain, and supplementary service server system, for implementing a CRBT forwarding service in the IMS domain unresponsiveness. 根据本发明实施例提供的技术方案中,补充业务服务器在作为被叫的第二用户无应答时,触发彩铃无应答前转业务,并利用会话更新通知主叫的第一用户向第二用户设置的前转用户再次发起媒体能力协商过程,从而实现了彩铃无应答前转;进一步,即使主叫端口等媒体能力信息在呼叫过程中发生了改变,也可以因为二次协商保证了主叫正常收听或收看前转用户定制的彩铃。 According to an embodiment of the present invention, the technical solution provided by the supplementary service server when there is no answer the called second user, trigger no answer before the RBT service, and using a first user session update notification is provided to a second user calling the forwarding user initiates a media capability negotiation process again in order to achieve the former CRBT no answer; further, even if the calling ports and other media capability information has changed during the call can also be because the secondary consultation to ensure the normal listening calling before transfer or watch customized ring tones.

Description

一种IMS域会话控制方法、系统和补充业务服务器 An IMS domain session control method, system and supplementary service server

技术领域 FIELD

[0001] 本发明涉及移动通信技术,特别涉及一种IMS域彩铃无应答前转技术。 [0001] The present invention relates to mobile communication technologies, and particularly relates to an IMS domain before CRBT no answer technology.

背景技术 Background technique

[0002] IMS (IP Multimedia Subsystem, IP多媒体子系统)作为一种实现电话呼叫的新技术,目前已经成为移动通信技术的热点之一。 [0002] IMS (IP Multimedia Subsystem, IP multimedia subsystem) as a new technology to achieve a telephone call, has become one of the hot mobile communication technology. 彩铃作为一种增值业务,在MS域中通过如下功能实体实现: RBT as a value-added service, implemented in the MS domain by the following functional entities:

[0003] CSCF (Call Session Control Function,呼叫会话控制功能)为呼叫会话控制功能实体,该功能实体可以划分为:P-CSCF (Proxy-CSCF,代理CSCF)、I-CSCF(Interrogating-CSCF,查询CSCF)和S-CSCF (Serving-CSCF,服务CSCF)。 [0003] CSCF (Call Session Control Function, call session control function) is a call session control function entity, the functional entity can be divided into: P-CSCF (Proxy-CSCF, the proxy CSCF), I-CSCF (Interrogating-CSCF, a query CSCF) and the S-CSCF (serving-CSCF, serving CSCF). 其中S-CSCF 是整个网络的核心,支持SIP (Session Initial Protocol,会话发起协议)协议,负责用户鉴权、会话处理和业务触发等; S-CSCF which is the core of the network, supports SIP (Session Initial Protocol, Session Initiation Protocol) protocol, responsible for user authentication, session handling and service triggering;

[0004] 媒体彩铃服务器,又称彩铃AS (Application Server,应用服务器)或MRBT(Multimedia Ring Back Tone,多媒体回铃音)AS。 [0004] RBT media server, also known as ring tones AS (Application Server, an application server), or MRBT (Multimedia Ring Back Tone, multimedia ringback tone) AS. 负责彩铃业务的SIP信令协商转接并控制彩铃的播放,用于控制彩铃功能的实现等; CRBT service responsible for SIP signaling negotiation and transfer control CRBT play, for implementing control functions such as ring tones;

[0005] MRF (Media Resource Function,媒体资源功能)实体负责媒体能力的协商及用于彩铃媒体的播放,MRF可以独立设置,也可以设置在媒体彩铃服务器上。 [0005] MRF (Media Resource Function, Media Resource Function) entity responsible for negotiating media capabilities and ring tones for media playback, MRF can be set independently, may also be provided on the media ring back tone server.

[0006] 参见图I所示,在MS中的一种彩铃实现方案的信令流程包括如下步骤: [0006] Referring to Figure I in a CRBT in the MS implementation signaling procedure comprising the steps of:

[0007] 1_4 :主叫UE (User Equipment) A向被叫UEB发起呼叫,通过主叫UEA侧网络向被叫发送携带UEA会话描述协议SDP (Session Description Protocol) UE A的会话邀请(INVITE)消息,被叫归属的S-CSCF对UEB进行iFC业务评估,确定UEB的业务属性信息,根据UEB的业务属性信息确定UEB签署了彩铃业务后,将INVITE消息转发给多媒体彩铃AS,多媒体彩铃AS收到INVITE消息并进行必要的业务处理后,通过S-CSCF将INVITE消息转发给被叫UEB,SDP UEA表征UEA的媒体能力,包含UEA支持的媒体编码方式、码率或端口号等信息; [0007] 1_4: the calling UE (User Equipment) A initiates a call to the called UEB, UEA carrying Session Description Protocol SDP (Session Description Protocol) session invite the calling UE A through the network to the called side transmits UEA (INVITE) message , called the S-CSCF of the home for UEB service iFC evaluation, determining service attribute information UEB after the UEB UEB signed service attribute information determined according to the CRBT service, forwarding the INVITE message to the MRBT AS, MRBT AS receives after the INVITE message and the necessary business processing, will be forwarded through S-CSCF INVITE message to the called UEB, the SDP information of the UEA UEA characterized media capability, comprising UEA support media encoding, bit rate or a port number;

[0008] 5-6 =UEB收到INVITE消息后,确定可以应答则回复180应答消息并开始振铃(Ringing); After [0008] 5-6 = UEB receives the INVITE message, the reply OK can answer the response message 180 and begins ringing (a Ringing);

[0009] 7-9 :当多媒体彩铃AS收到被叫UEB的180应答消息时,向MRF发送携带SDP UEA的INVITE消息,建立到MRF的连接,并且得到MRF根据SDPUEA协商后的彩铃媒体的SDP,彩铃媒体的SDP是基于UEA和MRF的媒体能力描述信息选择后的结果; [0009] 7-9: When the MRBT AS receives the 180 response message of the called UEB sends to the MRF an INVITE message carrying the SDP UEA, establish a connection to the MRF, and the MRF obtained CRBT according to the SDP media after consultation SDPUEA , it is based on the CRBT media SDP media capability UEA and the MRF described selection result information;

[0010] 10-19 :多媒体彩铃AS向主叫UEA回复180应答消息,其中携带彩铃媒体的SDP,主叫UEA回复PRACK消息确认,多媒体彩铃AS相应回复200 OK消息,MRF向主叫UEA播放UEB定制的多媒体彩铃文件。 [0010] 10-19: multimedia ring back tone to the calling UEA 180 [AS replies a response message carrying the SDP media ring back tone, calling UEA reply acknowledgment message PRACK, the corresponding MRBT AS 200 OK reply message, the MRF playing to the calling UEA UEB customized multimedia ring back tone file.

[0011] 如果被叫UEB摘机应答,则主被叫之间建立通话。 [0011] If the called UEB answers the call, the call is established between the called master.

[0012] 在移动通信技术中,如果移动通信用户注册了无应答前转功能并设置呼转至的第二被叫,则在该用户作为被叫无应答时,现有技术没有给出实现IMS域的彩铃无应答前转业务的技术方案。 When [0012] the mobile communication technology, if the mobile communication users registered no answer forwarding function and a second set of the called call transferred, then the called user does not answer, the prior art does not suggest implementing IMS RBT domain transfer technology program operations before non-response.

发明内容 SUMMARY

[0013] 本发明实施例提供一种MS域会话控制方法和补充业务服务器,用以实现MS域的彩铃无应答前转业务。 [0013] An embodiment provides a method of MS-domain session control and supplementary service server, in order to achieve MS CRBT domain no answer forwarding service of the present invention.

[0014] 为此,本发明实施例提供一种MS域会话控制方法,包括: [0014] To this end, embodiments of the present invention provides a MS domain session control method comprising:

[0015] 彩铃无应答前转业务的第二用户的补充业务服务器,监测到第二用户无应答持续时间达到设定时长时,将第一用户呼叫第二用户的会话邀请发送给第二用户的前转用户归属的S-CSCF,所述会话邀请携带第一用户媒体能力描述信息; [0015] before the second CRBT no answer forwarding service user's supplementary service server, monitoring the duration, the first user calls a second user transmits a session invitation to the second user when the second user does not reach the set duration of response forwarding the user's home S-CSCF, the session invitation carries description information of a first user media capability;

[0016] 前转用户归属的S-CSCF确定前转用户为彩铃用户时,通过前转用户的彩铃控制子系统将会话邀请发送给前转用户,并将前转用户的彩铃控制子系统转发的前转用户的振铃响应发送给补充业务服务器; When [0016] the forwarding subscriber's home S-CSCF prior to forwarding the user to determine the CRBT user, the control subsystem session by forwarding a user before forwarding the invitation CRBT to the user before sending, forwarding and CRBT user before forwarding control subsystem forwarding the user in response to a ringing supplementary service server;

[0017] 补充业务服务器生成会话更新请求并发送给第一用户,以及接收第一用户返回的会话更新确认消息并转发给前转用户的彩铃控制子系统,所述会话更新确认消息中携带第一媒体能力描述信息,所述第一媒体能力描述信息为所述第一用户媒体能力描述信息,或者为第一用户根据所述第一用户媒体能力描述信息和第三媒体能力描述信息协商后确定的媒体能力描述信息,所述第三媒体能力描述信息为所述前转用户的彩铃控制子系统转发前转用户的振铃响应前,所述前转用户的彩铃控制子系统根据自身的媒体能力描述信息和所述第一用户媒体能力描述信息协商后得到的; [0017] supplementary service server generates a session update request is sent to a first user, and receiving a first user returns a session update confirm message and forwards it to the user before forwarding CRBT control subsystem, the session update acknowledgment message carries a first media capability description information, the description information of the first media capability for the first user media capability description information or description information for the first user and the third user based on the first media capability described media capability negotiation information is determined after media capability information described before, the third described media capability information for said forwarded user response to the ringing CRBT user before forwarding subsystem forwarding, the forwarding control subsystem CRBT user according to its media capability description after the user information and the first description information of the media capability negotiation obtained;

[0018] 前转用户的彩铃控制子系统根据自身的媒体能力描述信息和第一媒体能力描述信息,确认协商后的第二媒体能力描述信息,并根据所述第二媒体能力描述信息向第一用户播放前转用户定制的彩铃。 [0018] forwarding control subsystem CRBT user according to its media capability description information and description information of a first media capability, the ability to confirm the negotiated second media description information, according to the second media information to the first capability description before forwarding the user to play customized ring tones.

[0019] 其中:所述补充业务服务器接收第一用户返回的会话更新确认消息并转发给前转用户的彩铃控制子系统,具体包括:所述补充业务服务器接收第一用户返回的会话更新确认消息,并转发给前转用户的彩铃控制子系统中的多媒体彩铃服务器;以及 [0019] wherein: the supplementary service server receives a session update confirm message and forwards the first user to return to a CRBT user forwarding control subsystem comprises: a supplementary service receiving a first user session update acknowledgment message returned by the server and forwarded to the forwarding user control subsystem CRBT multimedia ring back tone server; and

[0020] 所述前转用户的彩铃控制子系统根据自身的媒体能力描述信息和第一媒体能力描述信息,确认协商后的第二媒体能力描述信息,并根据所述第二媒体能力描述信息向第一用户播放前转用户定制的彩铃,具体包括: [0020] The forwarding control subsystem CRBT user according to its media capability description information and description information of a first media capability, the ability to confirm the negotiated second media description information, and description information according to the second media capability the first users to switch user before playing a customized ring tones, including:

[0021] 所述多媒体彩铃服务器向媒体资源功能实体发送会话邀请,其中携带第一媒体能力描述信息; [0021] The multimedia ring back tone server sends a session invitation to the MRF, which carries the description information of the first media capability;

[0022] 所述媒体资源功能实体根据自身媒体能力描述信息和第一媒体能力描述信息确认协商后的第二媒体能力描述信息,并将第二媒体能力描述信息携带在确认消息中返回给多媒体彩铃服务器; [0022] The media resource function entity according to its media capability description information and the first description information confirming the second media capability negotiated media capability description information and a second capability description information of the media carried in the multimedia ring back tone to the returned confirmation message server;

[0023] 所述多媒体彩铃服务器指示媒体资源功能实体根据所述第二媒体能力描述信息,向第一用户播放前转用户定制的彩铃,并向所述补充业务服务器发送确认消息。 [0023] The multimedia ring back tone server instructs MRF description information according to the second media capability, to the first user forwarding customized RBT playing before, and the supplementary service server sends an acknowledgment message.

[0024] 进一步,所述前转用户的彩铃控制子系统将会话邀请发送给前转用户前,还从所述会话邀请中获得第一用户媒体能力描述信息; [0024] Further, the forwarding control subsystem CRBT user session before forwarding the invitation to a user, a first user to obtain further media capability description information from the session invitation;

[0025] 所述前转用户的彩铃控制子系统转发前转用户的振铃响应前,确认所述第三媒体能力描述信息;[0026] 所述前转用户的彩铃控制子系统在转发给补充业务服务器的振铃响应中,携带所述协商后的第三媒体能力描述信息; Before [0025] the CRBT user forwarding the ringing response before forwarding subsystem forwarding user, confirming that the third media capability description information; [0026] The CRBT user forwarding forwarded to the supplementary control subsystem service server in response to the ringing, carries a third media capability negotiation after the description information;

[0027] 补充业务服务器生成的会话更新请求中携带所述协商后的第三媒体能力描述信 [0027] supplementary service server session update request generated after the third letter of the described media capability negotiation carries the

肩、O Shoulder, O

[0028] 本发明实施例还提供一种MS域会话控制补充业务服务器,包括: [0028] Embodiments of the present invention further provides an MS supplementary service domain session control server, comprising:

[0029] 用于监测到被呼叫的第二用户无应答持续时间达到设定时长时,将第一用户呼叫第二用户的会话邀请发送给第二用户的前转用户归属的S-CSCF的单元,所述会话邀请携带第一用户媒体能力描述信息; [0029] The second user is detected for the no-answer call duration reaches duration, the first user calls a second user session invitation before the S-CSCF element transmits rotation to the second user's home user setting the session invitation carries description information of a first user media capability;

[0030] 用于接收前转用户归属的S-CSCF转发的前转用户的振铃响应的单元; [0030] means for receiving a ringing response before forwarding the user's home S-CSCF forwards the forwarding user;

[0031] 用于生成会话更新请求并发送给第一用户,以及接收第一用户返回的会话更新确认消息并转发给前转用户的彩铃控制子系统的单元,所述会话更新确认消息中携带第一媒体能力描述信息,所述第一媒体能力描述信息为所述第一用户媒体能力描述信息,或者为第一用户根据所述第一用户媒体能力描述信息和第三媒体能力描述信息协商后确定的媒体能力描述信息,所述第三媒体能力描述信息为所述前转用户的彩铃控制子系统转发前转用户的振铃响应前,所述前转用户的彩铃控制子系统根据自身的媒体能力描述信息和所述第一用户媒体能力描述信息协商后得到的。 [0031] for generating a session update request is sent to a first user, a first user receiving a session and update confirm message and returned to the forwarding unit forwarding the user before the CRBT control subsystem, the session update acknowledgment message carries the first after a media capability description information, the description information of the first media capability for the media capability of the first user description information, or a description of the first user information and the third media capability negotiation description information according to the media capability of the first user is determined before the media capability description information, the description of the third media capability information for said forwarded user response to the ringing CRBT user before forwarding subsystem forwarding, the forwarding control subsystem CRBT user according to its media capability Having described the user information and the first description information of media capability negotiation obtained.

[0032] 本发明实施例还提供一种MS域会话控制系统,包括:彩铃无应答前转业务的第二用户的补充业务服务器、第二用户归属的服务呼叫会话控制功能模块S-CSCF、第二用户的前转用户归属的S-CSCF、前转用户的彩铃控制子系统,其中: [0032] The present invention further provides an MS domain session control system, comprising: a second non-CRBT user response before forwarding service supplementary service server, the second user's home Serving-Call Session Control Function S-CSCF, of forwarding of the user to a second user's home S-CSCF, forwarding CRBT user control subsystem, wherein:

[0033] 所述补充业务服务器监测到第二用户无应答持续时间达到设定时长时,将第一用户呼叫第二用户的会话邀请发送给第二用户的前转用户归属的S-CSCF,所述会话邀请携带第一用户媒体能力描述信息; [0033] The supplementary service server to the monitoring duration, the first user calls a second user the second user session duration reaches no answer set before sending an invitation to the second user forwarding user belongs S-CSCF, the said first user session invitation carries description information of media capability;

[0034] 所述前转用户归属的S-CSCF确定前转用户为彩铃用户时,通过前转用户的彩铃控制子系统将会话邀请发送给前转用户,并将前转用户的彩铃控制子系统转发的前转用户的振铃响应发送给所述补充业务服务器; When the [0034] prior to said forwarding the user's S-CSCF determines the home users turn CRBT user, forwarding by the user before the CRBT control subsystem session invitation is sent to a forwarding user, and forwarding the user before the CRBT control subsystem forwarding forwarding user sending a response to the ringing supplementary service server;

[0035] 所述补充业务服务器生成会话更新请求并发送给第一用户,以及接收第一用户返回的会话更新确认消息并转发给前转用户的彩铃控制子系统,所述会话更新确认消息中携带第一媒体能力描述信息,所述第一媒体能力描述信息为所述第一用户媒体能力描述信息,或者为第一用户根据所述第一用户媒体能力描述信息和第三媒体能力描述信息协商后确定的媒体能力描述信息,所述第三媒体能力描述信息为所述前转用户的彩铃控制子系统转发前转用户的振铃响应前,所述前转用户的彩铃控制子系统根据自身的媒体能力描述信息和所述第一用户媒体能力描述信息协商后得到的; [0035] The supplementary service server generates a session update request is sent to a first user, and receiving a first user returns a session update confirm message and forwards it to the user before forwarding CRBT control subsystem, the session update acknowledgment message carries after the first media capability description information, the description information of the first media capability for the first user media capability description information, or a description of the first user information and the third media capability negotiation description information according to the media capability of the first user before the determined media capability description information, the description of the third media capability information for said forwarded user response to the ringing CRBT user before forwarding subsystem forwarding, the forwarding control subsystem CRBT user according to its own media a first capability description information and the user information of the media capability negotiation is described to obtain;

[0036] 所述前转用户的彩铃控制子系统根据自身的媒体能力描述信息和第一媒体能力描述信息,确认协商后的第二媒体能力描述信息,并根据所述第二媒体能力描述信息向第一用户播放前转用户定制的彩铃。 [0036] The forwarding control subsystem CRBT user according to its media capability description information and description information of a first media capability, the ability to confirm the negotiated second media description information, and description information according to the second media capability the first users to switch user before playing a customized ring tones.

[0037] 根据本发明实施例提供的技术方案中,补充业务服务器在作为被叫的第二用户无应答时,触发彩铃无应答前转业务,并利用会话更新通知主叫的第一用户向第二用户设置的前转用户再次发起媒体能力协商过程,从而实现了彩铃无应答前转; The first user [0037] Technical solutions provided by the supplementary service server when there is no answer the called second user, the pre-trigger the CRBT service according to embodiment no answer to the present invention, and using the caller's session update notification to the second forwarding user to a second user settings to initiate the negotiation process again media capabilities, enabling front ring tones no answer;

[0038] 进一步,第一用户返回的会话更新确认消息中可以携带自身的媒体能力描述信息或第一次协商后的媒体能力描述信息,这样,前转用户的彩铃控制子系统根据自身的媒体能力描述信息和会话更新请求中的媒体能力描述信息实现媒体能力信息的二次协商,可以在MS域实现彩铃用户无应答前转业务,并且即使主叫端口等媒体能力信息在呼叫过程中发生了改变,也可以因为二次协商保证了主叫正常收听或收看前转用户定制的彩铃。 [0038] Further, the first user returns a session update confirm message may carry the description information itself or the media capability negotiation after the first capability description information of the media, so, forwarding control subsystem CRBT user according to its media capability second description information and consultation session update request description information of the media capability for implementing media capability information, the MS can be implemented CRBT user domain no answer forwarding service, and even other media capability information of the calling port has changed during a call It may be because the secondary consultation to ensure the normal listening or watching before calling turn custom ring tones.

附图说明 BRIEF DESCRIPTION

[0039] 图I为现有一种MS域彩铃业务实现流程; [0039] FIG. MS Domain I is one kind of conventional CRBT service implementation process;

[0040] 图2为本发明实施例提供的IMS域彩铃无应答前转的触发流程示意图; [0040] Fig 2 a schematic flow diagram of the IMS domain triggers CRBT provided in forwarding on no answer embodiment of the invention;

[0041] 图3为本发明实施例提供的IMS域彩铃无应答前转触发后的会话控制流程示意图; [0041] Fig 3 a schematic view of embodiment the IMS domain session CRBT provided in forwarding on no answer trigger control flow of the present invention;

[0042] 图4为本发明实施例提供的IMS域会话控制方法流程图。 [0042] FIG 4 is a flowchart IMS domain session control method according to an embodiment of the present invention.

具体实施方式 Detailed ways

[0043] 本发明实施例提供一种IMS域会话控制方法,用于在IMS域实现彩铃无应答前转业务,由被叫的补充业务服务器检测被叫无应答持续时间,并在被叫无应答持续时间达到设定时长时,触发彩铃无应答前转,将会话邀请前转给被叫设置的前转用户。 [0043] The embodiments of the present invention provides a method of IMS domain session control for IMS domain before forwarding service CRBT no answer from the called party supplementary service server detects no response of the called duration, and the called non-responders when the duration reaches the set length of time, pre-trigger RBT no answer, will turn forwarded to the called user before setting words before the invitation.

[0044] 如图2所示,其中,UEI为主叫用户,UE2为被叫用户,UE2签约并激活了CFNR(CalIForwarding No Rely,呼叫无应答)业务,UE3为UE2设置的前转用户,UE2和UE3都为彩铃业务用户,UE1、UE2和UE3可能归属在同一网络,也可能其中两个归属在同一网络,另一个归属在其他网络,或这三者分别归属在不同网络。 [0044] 2, wherein, the calling user UEI, UE2 is the called user, and activates the subscription UE2 CFNR (CalIForwarding No Rely, call is not answered) the business, UE3 is set by the forwarding subscriber UE2, UE2 and UE3 are CRBT service users, UE1, UE2 and UE3 may belong in the same network, which may also be in the same network two home, another home in the other networks, or all three are attributed to different networks. 本发明实施例提供的MS域彩铃无应答前转业务的触发流程具体包括如下步骤: Forwarding service flow triggering the MS Forward No Answer fields CRBT according to an embodiment of the present invention includes the following steps:

[0045] S201、触发无应答持续时间的监测 [0045] S201, the trigger monitoring non-response duration

[0046] 被叫UE2归属的S-CSCF接收到主叫UEl呼叫被叫UE2的INVITE消息时,根据UE2的初始过滤规则iFC对UE2进行iFC评估,确认UE2为CFNR业务时,将会话请求转发给被叫归属的补充业务AS,补充业务AS负责触发并控制CFNR业务;INVITE消息携带UEl的媒体能力描述信息SDP UEl ; Forwarding [0046] When the called UE UE2 belongs to the S-CSCF when receiving the INVITE message the caller calls the called UE2 UEl and UE2, according to the initial filter rules iFC UE2 is iFC evaluation, UE2 is confirmed CFNR service, the session request to called attribution supplementary service AS, AS supplementary services responsible for triggering and control CFNR service; INVITE message carries UEl media capability description information SDP UEl;

[0047] 补充业务AS将INVITE消息通过UE2归属的S-CSCF发送给MRBT AS,并启动监测UE2无应答持续时间的无应答定时器; [0047] The supplementary service AS sends an INVITE message to the MRBT AS through the UE2 belongs to S-CSCF, and starts monitoring the duration UE2 no response no response timer;

[0048] MRBT AS获得INVITE消息中携带的SDP UEl,并继续通过UE2归属的S-CSCF将会话邀请发送给UE2。 [0048] MRBT AS obtained INVITE message carries the SDP UEl, UE2 belongs and continues through the S-CSCF will then send an invitation to UE2.

[0049] S202、媒体能力信息协商 [0049] S202, the media capability negotiation information

[0050] UE2归属的S-CSCF将UE2返回的振铃响应(180ringing)消息发送给MRBT AS,MRBT AS将INVITE消息发送给MRF,MRF根据自身的媒体能力描述信息和SDP UEl的媒体能力,确定协商后的媒体能力信息SDPl MRBT JfSDPl MRBT携带在振铃确认(200 0K)消息中发送给MRBT AS,MRBT AS将SDPl MRBT携带在180消息中依次通过UE2归属的S-CSCF和补充业务AS发送给UEl。 [0050] UE2 belongs to the S-CSCF returned by the UE2 ring response (180Ringing) message to the MRBT AS, MRBT AS sends an INVITE message to the MRF, MRF and the description information of the media SDP UEl media capability according to their ability to determine SDPl media capability information of the negotiated MRBT JfSDPl MRBT carries the MRBT AS to a ringing acknowledgment (200 0K) message, MRBT AS 180 will be carried in the message SDPl MRBT sequentially by UE2 belongs to S-CSCF and to a supplementary service AS UEl.

[0051] S203、UE2彩铃的播放控制 [0051] S203, UE2 RBT playing control

[0052] UEI根据180消息返回180的确认(PRACK)消息,PRACK消息通过UE2归属的S-CSCF到达MRBTAS,MRBT AS指示MRF播放UE2定制的彩铃,MRF根据协商后的媒体能力信息向UEl播放UE2定制的彩铃。 [0052] UEI The 180 message returns an acknowledgment 180 (the PRACK) message, PRACK messages UE2 belongs S-CSCF reaches MRBTAS, MRBT AS indicating MRF playing UE2 customized RBT, MRF to UEl play UE2 according to the media capability information of the negotiated custom ring tones.

[0053] 需要说明的是MRBT AS和MRF组成彩铃控制子系统,可以合并设置,也可以独立设置,其中:MRBT AS和MRF之间与彩铃控制相关的信令交互过程为本领域技术人员所熟知,这里不再详细描述。 [0053] Note that the MRBT AS and the MRF control subsystem CRBT composition, may be combined set, may be separately provided, wherein: between the MRBT AS and the MRF and the CRBT control related signaling interaction process known to those skilled in the art not described in detail here.

[0054] 还需要说明的是,MRBT AS还可以在接收到UEl的PRACK消息后,向补充业务AS发送200 OK消息进行确认,也为本领域技术人员所熟知,本实施例不再详细说明。 [0054] It is further noted that, also the MRBT AS, sends a 200 OK message after receiving the PRACK message to the supplementary service AS UEl confirmed, also known to those skilled in the art, the present embodiment will not be described in detail.

[0055] S204、无应答定时器超时停止播放UE2彩铃 [0055] S204, no answer timer expires RBT stop playing UE2

[0056] 如果在无应答定时器超时时补充业务AS没有收到UE2摘机应答的相关控制信令,则利用一系列的取消(CANCEL)和取消确认(200 CANCEL)消息,通过UE2归属的S-CSCF指示MRF停止播放彩铃,详细流程为本领域技术人员所熟知,这里不再详细描述; [0056] If the supplementary service AS timeout associated control signaling UE2 does not receive an off-hook response in no reply timer, the use of a series of canceled (CANCEL) and cancel confirmation (200 CANCEL) message, UE2 belongs by S -CSCF indicating MRF to stop playing the CRBT, the detailed procedure known to those skilled in the art, not described in detail;

[0057] 如果在无应答定时器超时之前UE2摘机应答,则UEl和UE2建立通话,该过程为本[0058] S205、触发无应答前转 [0057] If the timeout before UE2 answers the call in the non-response timer, the UEl and UE2 establish a call, the process-oriented [0058] S205, the trigger Forward On No Answer

[0059] 补充业务AS在无应答定时器超时时还通过UE2归属的S-CSCF向UEl返回呼叫正在前转(CALL IS BEING F0EWARDED)消息,通知UEl等待;并向UE2设置的前转用户UE3发起会叫,通过UE2归属的S-CSCF和UE3归属的S-CSCF向UE3发送INVITE消息,其中携带UEl 的SDP UEl。 [0059] In the supplementary service AS response timer expires without fouling Systems UE2 belongs to the S-CSCF returns the call is forwarded UEl (CALL IS BEING F0EWARDED) message waiting notification UEl; forwarding user UE2 and UE3 initiates set will be called by the S-CSCF of the home UE2 and UE3 of the home S-CSCF sends an INVITE message to the UE3, which carries the UEL SDP UEl.

[0060] 如果被叫UE2归属的S-CSCF对UE2进行iFC评估后,确认UE2为非彩铃用户时,则呼叫信令不再经UE2的彩铃控制子系统和补充业务AS,详细流程为本领域技术人员所熟知,这里不再赘述。 [0060] If the called UE UE2 belongs S-CSCF UE2 is iFC evaluation, UE2 non-CRBT user confirmation, the call signaling over longer CRBT UE2 and supplementary service control subsystem the AS, the detailed flow of the art skill in the art, no further explanation.

[0061] 如果被叫UE2归属的S-CSCF对UE2进行iFC评估后,确认UE2为彩铃用户但没有激活彩铃无应答前转时,则呼叫信令不再经补充业务AS,不会触发无应答前转,UE2在设定时间没有摘机则呼叫失败。 [0061] If the called UE UE2 belongs S-CSCF UE2 is iFC evaluation, UE2 confirmed to the user but does not activate CRBT CRBT when forwarding on no answer, the call signaling supplementary service through the AS no, no response will not trigger forwarding, UE2 at the time is not set off-hook, the call fails. 详细流程为本领域技术人员所熟知,这里不再赘述。 Detailed process known to those skilled in the art, no further explanation.

[0062] 补充业务AS触发无应答前转后,呼叫的前转过程包括: [0062] After the supplementary service AS trigger forwarding on no answer, call forwarding process include:

[0063] 补充业务AS向UE3发送携带UEl的SDP UEl的INVITE消息,该INVITE消息通过UE2归属的S-CSCF路由到UE3归属的S-CSCF,UE3归属的S-CSCF根据UE3的iFC评估结果,确定UE3为彩铃用户时,通过UE3的彩铃控制子系统将会话邀请发送给UE3,并在UE3返回振铃响应时,将UE3的彩铃控制子系统转发的UE3的振铃响应发送给补充业务AS,转发的UE3的振铃响应中可以携带UE3的MRBT的媒体能力描述信息SDP2 MRBT ; [0063] supplementary service AS sends SDP UEl INVITE message carries the UEL to the UE3, the INVITE message by UE2 belongs S-CSCF routes to UE3 belongs S-CSCF, UE3 belongs to S-CSCF according to the iFC evaluation UE3 result, when determining user UE3 as ring tones, ring tones through UE3 control subsystem will then send an invitation to UE3, UE3 and return when the ringing response, the UE3 ring tones ringing control subsystem forwarded UE3 response sent to the supplementary service aS, ring response forwarded MRBT UE3 may carry the description information of the media capability UE3 SDP2 MRBT;

[0064] 补充业务AS生成会话更新请求(UPDATE)消息并发送给UEl,以及接收UEl返回的会话更新确认(200 OK UPDATE)消息并转发给前转用户的彩铃控制子系统,200 OK UPDATE中携带UEl的SDP UE1,或者UEl根据自身的媒体能力信息和SDP2 MRBT协商后的SDP2UEl ; [0064] supplementary service AS generates a session update request (the UPDATE) message sent to UEl, and a session update acknowledgment received UEL returned (200 OK UPDATE) message is forwarded to the forwarding control subsystem CRBT user, 200 OK UPDATE carries UEl the SDP UE1, or UEl according to their media capability information SDP2 MRBT SDP2UEl negotiated;

[0065] UE3的彩铃控制子系统根据自身的媒体能力描述信息和SDP UE1、或者SDP2 UEl,确认最后协商的媒体能力描述信息SDP3 MRBT,并根据SDP3 MRBT向UEl播放前转用户定制的彩铃。 [0065] UE3 control subsystem CRBT description information and the media SDP UE1 according to their ability or SDP2 UEl, to determine the final negotiated SDP3 MRBT media capability description information, and forward forwarding according SDP3 MRBT playing UEL customized CRBT.

[0066] 这里需要说明的是,UE3的彩铃控制子系统可能包括MRBT和MRF,二者之间协商SDP MRBT以及指示播放彩铃的信令交互为本领域技术人员熟知,这里不再详细描述。 [0066] It should be noted that, UE3 may include a control subsystem MRBT CRBT and the MRF, the SDP negotiation signaling indicating MRBT playing RBT interaction therebetween well known to the skilled person, not described in detail herein.

[0067] 根据上述过程,当UE2的补充业务AS确认UE3振铃后,生成UPDATE消息发送给UEl, UEl根据该UPDATE消息重新发起媒体能力协商,向UE3的彩铃控制子系统发送SDPUE1,或者根据SDP UEl和SDP2 MRBT协商后的SDP2 UEl' UE3的彩铃控制子系统进行媒体能力协商,并根据协商后的SDP3 MRBT播放UE3定制的彩铃。 [0067] According to the process described above, when the supplementary service AS confirmed UE2 UE3 ringing, generates an UPDATE message to UEl, UEl reinitiate media capability negotiation according to the UPDATE message, the transmission control subsystem CRBT UE3 SDPUE1, or according to SDP UEl and SDP2 MRBT negotiated SDP2 UEl 'UE3 RBT control subsystem media capability negotiation, and play customized ring tones UE3 according to SDP3 negotiated MRBT. 在彩铃播放过程中,如果UE3摘机应答,则UEl和UE3建立通话,如果超过设定时间UE3未摘机应答,则呼叫失败。 In the process of playing the CRBT, if UE3 hook to answer, the call is established UEl and UE3, UE3 has not exceeded the set time if the hook to answer, the call fails.

[0068] 详细流程如图3所示,主要包括以下步骤: [0068] The detailed flow shown in Figure 3, includes the following steps:

[0069] S301-S310 :主叫UEl呼叫UE2。 [0069] S301-S310: UEl call calling UE2. UE2签约并激活了CFNR业务,设定UE3为无应答前转用户。 UE2 signed and activated CFNR service, set to Forward On No Answer UE3 users. UEl发出的携带UEl媒体能力描述信息SDPl UEl的INVITE消息,经UE2的MRBTAS和补充业务AS到达UE2。 UEl media carrying capacity UEl description INVITE message sent information SDPl UEl, upon the UE2 MRBTAS and supplementary service AS reach UE2.

[0070] UE2的彩铃控制子系统和主叫之间协商媒体能力并播放UE2的彩铃,协商方式例如网关(Gateway)方式,补充业务AS在UE2无应答超时时触发无应答前转,发181消息给UE1,用以指示呼叫正在前转,并指示UE2的彩铃控制子系统停止播放UE2的彩铃,S301-S310的详细步骤参见图2所示,这里不再重复描述。 [0070] UE2, and the calling CRBT between the control subsystem and the media capability negotiation RBT playing the UE2, e.g. negotiation gateway (Gateway) mode, the supplementary service AS trigger forwarding on no answer when UE2 no answer timeout, send a message 181 to UE1, to indicate that the call is being forwarded and indicates the UE2 control subsystem stops playing the CRBT CRBT UE2 detail see steps S301-S310 shown in FIG. 2, description is not repeated here. [0071] S311-S321 :补充业务AS通过UE2归属的S-CSCF向UE3发送INVITE消息,其中携带SDPl UEl,UE3归属的S-CSCF接收到INVITE消息后,对UE3进行iFC评估,确认UE3为彩铃用户时,将INVITE消息经UE3归属网络的MRBT AS转发给UE3,并在UE3返回180ringing消息后,将180ringing消息转发给UE3归属网络的MRBT AS,UE3归属网络的MRBT AS接收到UE3返回的180ringing消息后,将INVITE消息发送给MRF,建立到MRF的连接,并接收MRF返回的200 OK确认消息,2000K确认消息中可以携带MRF的媒体能力描述信息SDP2MRBT。 [0071] S311-S321: supplementary service AS by UE2 belongs to S-CSCF sends UE3 INVITE message carrying SDPl UEl, UE3 belongs to S-CSCF after receiving the INVITE message, to UE3 can iFC evaluation, it was confirmed UE3 is CRBT when a user, forwards MRBT AS INVITE message via UE3 home network to UE3, and the UE3 return 180ringing message, forwards 180ringing message to the MRBT AS UE3 home network, MRBT AS UE3 home network receives the 180ringing message UE3 returned after transmitting the INVITE message to the MRF, to establish a connection to the MRF, and receiving 200 OK MRF returns acknowledgment message, the acknowledgment message may carry 2000K MRF the media capability description information SDP2MRBT. MRBT AS接收到MRF返回的200 OK确认消息后,将SDP2 MRBT携带在180ringing消息中,通过UE3归属的S-CSCFM和UE2归属的S-CSCFM,将携带SDP2 MRBT的180ringing消息发送给补充业务AS。 After the MRBT AS receives the 200 OK MRF returns the acknowledgment message, the SDP2 MRBT carried 180ringing message by UE3 belongs to S-CSCFM and UE2 belongs S-CSCFM, carrying 180ringing message SDP2 MRBT transmitted to the supplementary service AS.

[0072] S322-S333 :补充业务AS根据接收到的180ringing消息,确认UE3已经振铃响应,则将180携带的SDP MRBT通过呼叫更新(update)消息发送至UE1,主叫UEl返回200 OK消息确认接收到update消息,200 OK确认消息中携带主叫UEl经协商后的SDP2 UEl至UE2的补充业务AS ; [0072] S322-S333: The supplementary service AS 180ringing received message, UE3 has been confirmed in response to the ringing, will be sent to the UE1 180 carried by a SDP MRBT call update (Update) message, the calling party returns a 200 OK message to confirm UEl receiving the update message, 200 OK acknowledgment message carries the calling UEL supplementary service AS after consultation of the UE2 to SDP2 UEl;

[0073] UE2的补充业务AS将SDP2 UEl携带在PRACK消息发送至UE3的MRBT AS ;UE3的MRBT AS发送携带SDP2 UEl的Invite消息至MRF,MRF根据SDP2 UEl和自身媒体能力再次进行协商后,获得最终的彩铃媒体能力SDP3 MRBT,并向UE3的MRBT AS回复200 0K,其中携带最后协商后的SDP3 MRBT,UE3的MRBTAS指示MRF开始根据SDP3 MRBT向UEl播放UE3定制的彩铃。 [0073] UE2 supplementary service AS will SDP2 UEl carry sent to the MRBT AS UE3 in the PRACK message; UE3 of MRBT AS sends carrying SDP2 UEl the Invite message to the MRF, the MRF to consult again according to SDP2 UEl and their media capabilities, access to the final RBT media capabilities SDP3 MRBT, and respond to UE3 of MRBT AS 200 0K, which is carried in final negotiations SDP3 MRBT, UE3 indication of MRBTAS MRF start SDP3 MRBT to UEl play UE3 according to custom ring tones.

[0074] 在另一个实施例中,主叫UEl根据update消息返回的200 OK消息中也可以携带主叫UEl的媒体能力描述信息SDPl UEI,这样,MRF根据SDPl UEl和自身媒体能力进行协商后,获得最终的彩铃媒体能力,其他步骤都完全一样。 [0074] In another embodiment, the calling UEL The update message 200 OK message may be returned UEL carries the calling media capability description information SDPl UEI, so that, according to the MRF after consultation SDPl UEl and their media capability, final RBT media capabilities, other steps are exactly the same.

[0075] S334-S337 :UE3摘机后发送携带UE3媒体能力描述信息SDPl UE3的2000K消息给UE3 的MRBT AS, UE3 的MRBT AS 向UE3 返回ACK 确认。 [0075] S334-S337: UE3 UE3 message carrying media capability description information SDPl UE3 the 2000K message to the MRBT AS UE3, UE3 to the MRBT AS returns an ACK confirmation UE3 hook.

[0076] S338-S339 :UE3 的MRBT AS 向UE3 发送REINVITE,建立主叫UEl 和被叫UE3 之间的直接连接。 [0076] S338-S339: UE3 transmits the MRBT AS REINVITE to UE3, establishing a direct connection between the calling and the called UEl UE3.

[0077] S340-S341 :UE3向UE3的MRBT AS回送200 OK消息,其中再次携带UE3的媒体能力描述信息SDP2 UE3 ;[0078] S342 :UE3的MRBT AS通过UPDATE消息向主叫UEl发送会话更新请求(U PDAT E )消息,其中携带的媒体能力描述信息为被叫UE3在上一个步骤中回送的200 OK中再次携带的SDP2 UE3。 [0077] S340-S341: UE3 to the MRBT AS UE3 send back a 200 OK message, which again carries media capability UE3 description information SDP2 UE3; [0078] S342: UE3 the MRBT AS sends a session update request to the calling UEl the UPDATE message (U PDAT E) message, which carries media description information of the called UE3 capability in a step 200 OK sent back again carried SDP2 UE3.

[0079] S343 :UE1 向UE3 的MRBT AS 回送UPDATE 的200 OK 响应,其中携带UEl 根据SDPlUEl和SDP2 UE3协商后的媒体能力描述信息SDP3 UEl。 [0079] S343: UE1 UPDATE send a 200 OK response to the MRBT AS UE3 back, carrying UEL SDP3 UEl description information according to the media capability and the SDPlUEl SDP2 UE3 negotiation.

[0080] S344 :UE3的MRBT AS指示MRF停止播放彩铃。 [0080] S344: UE3 indicating the MRBT AS MRF stop playing ring tones.

[0081] S345-S346 :UE3的MRBT AS发送ACK给UE3,其中携带UEl协商后的媒体能力描述信息。 [0081] S345-S346: UE3 the MRBT AS sends an ACK to the UE3, which carries the media capability negotiation after UEl description. [0082] S347-S350 :UE3 的MRBT AS 向主叫UEl 发送INVITE 的200 OK 响应,UEl 和UE3 之间,根据UEl利用SDP UEl和SDP UE3协商后的媒体能力信息建立会话。 [0082] S347-S350: UE3 the MRBT AS sends a 200 OK response to the calling INVITE UEl, between the UEL and UE3, UEL establish a session according to the media capability information using the negotiated SDP UEl and SDP UE3.

[0083] 根据本发明实施例提供的技术方案,可以在MS域实现彩铃用户无应答前转业务,并且根据图3中的步骤22至29,在主叫UEl和前转用户的MRBT AS之间进行了媒体能力的再次协商,即使主叫UEl端口等媒体能力信息在呼叫过程中发生了改变,也可以正常收听或收看UE3用户定制的彩铃。 [0083] The technical solutions provided in embodiments of the present invention may be implemented in the MS domain CRBT user no answer forwarding service, and in accordance with step 22 to 29 in FIG. 3, UEl calling user and forwarding between the MRBT AS were again negotiated media capabilities, even if the media capability information of the calling UEl port and other changes occur during a call, you can listen to or watch the normal UE3 custom ring tones.

[0084] 根据图3所示,可以清楚看到,每一个作为请求(offer)的消息,都有唯一对应的答复(answer)消息作为回应,控制流程中的请求和应答关系清楚明了,方便控制。 [0084] According to FIG. 3, it is clear that, as each request message (the offer), and has a unique corresponding reply (answer) message as a response to the request and response control flow relationship clear and easy to control . 例如:步骤11携带SDPl UEl的offer与步骤22携带SDPl MRBT的answer相对应;步骤15携带SDPl UEl的offer与步骤34携带SDPl UE3的answer相对应。 For example: 11 Step carried SDPl UEl the offer and carry SDPl MRBT step 22 the corresponding answer; step 15 and the step of carrying offer SDPl UEl 34 carrying SDPl UE3 corresponding to the answer.

[0085] 综上所述,本发明实施例提供的MS域会话控制方法主要包括如下步骤: [0085] In summary, MS domain session control method according to an embodiment of the present invention mainly comprises the following steps:

[0086] S401、彩铃无应答前转业务的第二用户的补充业务服务器,监测到第二用户无应答持续时间达到设定时长时,将第一用户呼叫第二用户的会话邀请发送给第二用户的前转用户归属的服务呼叫会话控制功能模块S-CSCF,所述会话邀请携带第一用户媒体能力描述信息; [0086] S401, the second user before forwarding service of color ring no answer supplementary service server, the second user does not answer monitored reaches a long duration, the first user calls a second user transmits a session invitation to the second setting forwarding the user's home user serving call session control function S-CSCF, the session invitation carries description information of a first user media capability;

[0087] S402、前转用户归属的S-CSCF确定前转用户为彩铃用户时,通过前转用户的彩铃控制子系统将会话邀请发送给前转用户,并将前转用户的彩铃控制子系统转发的前转用户的振铃响应发送给所述补充业务服务器; When the [0087] S402, before forwarding the user's S-CSCF determines the home users turn CRBT user, forwarding by the user before the CRBT control subsystem forwarding the session invitation before sending it to the user, and forwarding the user before the CRBT control subsystem forwarding forwarding user sending a response to the ringing supplementary service server;

[0088] S403、所述补充业务服务器生成会话更新请求并发送给第一用户,以及接收第一用户返回的会话更新确认消息并转发给前转用户的彩铃控制子系统,所述会话更新确认消息中携带第一媒体能力描述信息; [0088] S403, the server generates a session update the supplementary service request is sent to a first user, and receiving a first user returns a session update confirm message is forwarded to the forwarding control subsystem CRBT user, the session update acknowledgment message carries description information of a first media capability;

[0089] S404、前转用户的彩铃控制子系统根据自身的媒体能力描述信息和第一媒体能力描述信息,确认协商后的第二媒体能力描述信息,并根据所述第二媒体能力描述信息向第一用户播放前转用户定制的彩铃。 [0089] S404, the CRBT forwarding user control subsystem according to its media capability description information and description information of a first media capability, the ability to confirm the negotiated second media description information, and description information according to the second media capability the first users to switch user before playing a customized ring tones.

[0090] 本发明实施例还提供完成上述控制方法的各网络实体组成的控制系统,主要包括:彩铃无应答前转业务的第二用户的补充业务服务器、第二用户归属的服务呼叫会话控制功能模块S-CSCF、第二用户的前转用户归属的S-CSCF、前转用户的彩铃控制子系统。 [0090] Embodiments of the invention further provides a control system to each network entity controlling method of the above composition, including: a second non-CRBT user response before forwarding service supplementary service server, the second user's home service call session control function module S-CSCF, the second user before forwarding the user's home S-CSCF, forwarding CRBT user control subsystem. 具体控制流程如前所述,这里不再重复描述。 DETAILED control flow as described above, description will not be repeated herein.

[0091] 显然,本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明的精神和范围。 [0091] Obviously, those skilled in the art can carry out embodiments of the present invention, various modifications and variations are possible without departing from the spirit and scope of the invention. 这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。 Thus, if these modifications and variations of the present invention fall within the claims of the invention and the scope of equivalents thereof, the present invention intends to include these modifications and variations.

Claims (14)

1. ー种IMS域会话控制方法,其特征在于,包括: 彩铃无应答前转业务的第二用户的补充业务服务器,监测到第二用户无应答持续时间达到设定时长时,将第一用户呼叫第二用户的会话邀请发送给第二用户的前转用户归属的服务呼叫会话控制功能模块S-CSCF,所述会话邀请携帯第一用户媒体能力描述信息; 前转用户归属的S-CSCF确定前转用户为彩铃用户时,通过前转用户的彩铃控制子系统将会话邀请发送给前转用户,并将前转用户的彩铃控制子系统转发的前转用户的振铃响应发送给所述补充业务服务器; 所述补充业务服务器生成会话更新请求并发送给第一用户,以及接收第一用户返回的会话更新确认消息并转发给前转用户的彩铃控制子系统,所述会话更新确认消息中携帯第一媒体能力描述信息,所述第一媒体能力描述信息为所述第一用户媒体能力描述 1. ー species IMS domain session control method comprising: when the second non-CRBT user traffic before forwarding supplementary service server response, no response to the second user monitoring duration reaches the set length, the first user calls the second user transmits a session invitation to the second user forwarding user home serving call session control function S-CSCF, the session invitation Bands carrying a first user media capability description information; forwarding the user's S-CSCF determines the home when the forwarding user CRBT user, the user subsystem forwarding the session invitation before sending it to the user by forwarding the CRBT control, before forwarding the user and the CRBT control subsystem forwarding the forwarded user response is sent to the supplemental ring service server; the supplementary service server generates a session update request is sent to a first user, and receiving a first user returns a session update confirm message and forwards it to the user before forwarding CRBT control subsystem, the session update acknowledgment message carrying Bands the first media capability description information, the description information of the first media capability for the first user media capability described 息,或者为第一用户根据所述第一用户媒体能力描述信息和第三媒体能力描述信息协商后确定的媒体能力描述信息,所述第三媒体能力描述信息为所述前转用户的彩铃控制子系统转发前转用户的振铃响应前,所述前转用户的彩铃控制子系统根据自身的媒体能力描述信息和所述第一用户媒体能力描述信息协商后得到的; 前转用户的彩铃控制子系统根据自身的媒体能力描述信息和第一媒体能力描述信息,确认协商后的第二媒体能力描述信息,井根据所述第二媒体能力描述信息向第一用户播放前转用户定制的彩铃。 Information or description information and the third media capability for the first user according to the media capability of the first user described information media capability negotiation after the determined description information, the third control media capability CRBT description information to the user forwarded forwarding a response before ringing the user subsystem forwarding, forwarding said user control subsystem CRBT description information and the first user media capability description information obtained after the media negotiation according to its capacity; CRBT user forwarding control subsystem according to its own media capability description information and description information of a first media capability, the ability to confirm the negotiated second media description information before forwarding the information to the first user playing the CRBT customized according to the second media well described capability.
2.如权利要求I所述的方法,其特征在于: 所述补充业务服务器接收第一用户返回的会话更新确认消息并转发给前转用户的彩铃控制子系统,具体包括:所述补充业务服务器接收第一用户返回的会话更新确认消息,并转发给前转用户的彩铃控制子系统中的多媒体彩铃服务器;以及所述前转用户的彩铃控制子系统根据自身的媒体能力描述信息和第一媒体能力描述信息,确认协商后的第二媒体能力描述信息,井根据所述第二媒体能力描述信息向第一用户播放前转用户定制的彩铃,具体包括: 所述多媒体彩铃服务器向媒体资源功能实体发送会话邀请,其中携帯第一媒体能力描述信息; 所述媒体资源功能实体根据自身媒体能力描述信息和第一媒体能力描述信息确认协商后的第二媒体能力描述信息,并将第二媒体能力描述信息携帯在确认消息中返回给多媒体 2. The method of claim I, wherein: the supplementary service server receives a first user session update confirmation message returned by the user and forwarded to the forwarding CRBT control subsystem comprises: a supplementary service server receiving a first user returns a session update confirm message, and forwards it to the user before forwarding the CRBT control subsystem multimedia ring back tone server; and forwarding a user control subsystem of the front CRBT according to its media capability description information and the first media capability description information to confirm the negotiated second media capability description information before forwarding the information to the first user playing the CRBT customized well described according to the second media capability comprises: the multimedia ring back tone to the MRF server sends a session invitation, wherein the first carrying Bands media capability description information; the MRF the media description information and the first capability description information confirming the second media capability negotiation according to its own media capability description information, and the second media capability described Bands returned to the multimedia message carried in the acknowledgment message 铃服务器; 所述多媒体彩铃服务器指示媒体资源功能实体根据所述第二媒体能力描述信息,向第一用户播放前转用户定制的彩铃,并向所述补充业务服务器发送确认消息。 Bell server; multimedia ring back tone server instructs the MRF description information according to the second media capability, to the first user forwarding customized RBT playing before, and the supplementary service server sends an acknowledgment message.
3.如权利要求I所述的方法,其特征在于: 所述前转用户的彩铃控制子系统将会话邀请发送给前转用户前,还从所述会话邀请中获得第一用户媒体能力描述信息; 所述前转用户的彩铃控制子系统在转发给补充业务服务器的振铃响应中,携帯所述协商后的第三媒体能力描述信息; 补充业务服务器生成的会话更新请求中携帯所述协商后的第三媒体能力描述信息。 3. The method of claim I, wherein: the front turn CRBT user session control subsystem forwarding the invitation before sending it to the user, a first user to obtain further media capability description information from the session invitation after the session update request of the supplementary service server generates said carrying Bands negotiation;; rotation of the front CRBT user control subsystem forwards the response to the ringing supplementary service server, the third carrying media capability negotiation after the description Bands the third media capability description.
4.如权利要求f 3任一所述的方法,其特征在于,所述补充业务服务器开始监测第二用户无应答持续时间之前,还包括:第二用户归属的S-CSCF接收到所述会话邀请并确认第二用户为彩铃无应答前转业务用户时,将所述会话邀请转发给补充业务服务器; 补充业务服务器将所述会话邀请通过第二用户归属的S-CSCF发送给第二用户,并开始监测第二用户的无应答持续时间。 4. The method according to f claims 1-3, characterized in that, prior to the second supplementary no answer starts monitoring the duration of the service server, further comprising: a second user belongs to the S-CSCF receives a session and invite the second user to confirm before CRBT user no answer forwarding service, the supplementary service session invitation is forwarded to the server; supplementary service server, the second session invitation by the user home S-CSCF sent to the second user, and to begin monitoring a second user no response duration.
5.如权利要求4所述的方法,其特征在于,所述补充业务服务器将所述会话邀请通过第二用户归属的S-CSCF发送给第二用户后,还包括: 第二用户归属的S-CSCF接收到第二用户的振铃响应后,将所述会话邀请发送给第二用户的彩铃控制子系统; 第二用户的彩铃控制子系统根据自身的媒体能力描述信息以及接收的会话邀请中携带的第一用户媒体能力描述信息,确认协商后的第四媒体能力描述信息; 第二用户的彩铃控制子系统将所述协商后的第四媒体能力描述信息携帯在振铃响应中发送给第一用户,井根据所述协商后的第四媒体能力描述信息,向第一用户播放第二用户定制的彩铃。 S of the second user's home: 5. A method as claimed in claim 4, characterized in that said supplementary service home server, the session invitation by the second S-CSCF after the user sent to the second user, further comprising -CSCF after receiving the user response to a second ring, the session invitation sent to the second control subsystem CRBT user; and a second control subsystem CRBT user according to its media capability description information and the received session invitation carrying a first user media capability description information, to confirm the fourth media capability negotiation description information; and a second control subsystem CRBT user after the fourth media capability negotiation Bands description information carried in the response sent to the first ring a user description information according to the fourth well after the media capability negotiation, playing the second CRBT customized to the first user.
6.如权利要求5所述的方法,其特征在于,所述补充业务服务器监测到第二用户无应答持续时间达到设定时长时,还包括: 补充业务服务器向第二用户归属的S-CSCF发送会话无应答消息; 第二用户归属的S-CSCF接收到会话无应答消息后,通知第二用户的彩铃控制子系统停止播放彩铃。 6. The method according to claim 5, characterized in that said supplementary service server when no answer to the second monitoring duration reaches a set duration, further comprising: a supplementary service server to the second user's home S-CSCF no response message sends a session; after the second user belongs to the S-CSCF receives no response message to the session, informs the second control subsystem CRBT user stops playing ring back tone.
7.如权利要求6所述的方法,其特征在于,所述补充业务服务器向第二用户归属的S-CSCF发送会话无应答消息后,还包括: 补充业务服务器通过第二用户归属的S-CSCF,向第二用户发送呼叫正在前转的通知消 7. The method according to claim 6, characterized in that said supplementary service server to the second user home S-CSCF sends the session after no response message, further comprising: a second supplementary service server via the user's home S- CSCF, call notification message is sent to a second user forwarding
8. —种MS域会话控制补充业务服务器,其特征在于,包括: 用于监测到被呼叫的第二用户无应答持续时间达到设定时长时,将第一用户呼叫第二用户的会话邀请发送给第二用户的前转用户归属的S-CSCF的単元,所述会话邀请携帯第ー用户媒体能力描述信息; 用于接收前转用户归属的S-CSCF转发的前转用户的振铃响应的単元; 用于生成会话更新请求并发送给第一用户,以及接收第一用户返回的会话更新确认消息并转发给前转用户的彩铃控制子系统的单元,所述会话更新确认消息中携帯第一媒体能力描述信息,所述第一媒体能力描述信息为所述第一用户媒体能力描述信息,或者为第一用户根据所述第一用户媒体能力描述信息和第三媒体能力描述信息协商后确定的媒体能力描述信息,所述第三媒体能力描述信息为所述前转用户的彩铃控制子系统转发前转用 8. - Species MS supplementary service domain session control server, characterized by comprising: means for monitoring the call to the second user is no longer duration of response reaches the first user calls a second user transmits a session invitation setting forwarding to the user of the second user belongs to the S-CSCF radiolabeling element, the first session invitation to bring Bands ー media capability information describing the user; transfer means for receiving the user belongs before the S-CSCF forwards the ringing of the forwarding subscriber response radiolabeling element; means for generating a session update request is sent to a first user, and a session update receiving a first acknowledgment message and returns the user to the forwarding unit forwarding control subsystem CRBT user, the session update acknowledgment message carrying the first Bands media capability description information, the description information of the first media capability for the first user media capability description information or description information for the first user and the third user based on the first media capability described media capability negotiation information is determined after media capability CRBT description information, the description of the third media capability information of the forwarding subscriber control switch before forwarding subsystem 的振铃响应前,所述前转用户的彩铃控制子系统根据自身的媒体能力描述信息和所述第一用户媒体能力描述信息协商后得到的。 Response before ringing, the user turn the front control subsystem CRBT description information and the first user media capability description information obtained after the media negotiation according to its own capabilities.
9.如权利要求8所述的补充业务服务器,其特征在于,还包括: 用于将所述会话邀请通过第二用户归属的S-CSCF发送给第二用户,并开始监测第二用户的无应答持续时间的単元。 No session invitation for the second user by the home S-CSCF sent to the second user, the second user and starts monitoring: 9. supplementary service server according to claim 8, characterized in that, further comprising duration of response of radiolabeling yuan.
10.如权利要求9所述的补充业务服务器,其特征在于,还包括: 用于在监测到第二用户无应答持续时间达到设定时长吋,向第二用户归属的S-CSCF发送会话无应答消息的単元。 10. The supplementary service server according to claim 9, characterized in that, further comprising: means for monitoring the length inches when no response to the second user reaches a set duration, the second user belongs to the S-CSCF sends the session without reply message radiolabeling yuan.
11.如权利要求10所述补充业务服务器,其特征在于,还包括: 用于向第二用户归属的S-CSCF发送会话无应答消息后,通过第二用户归属的S-CSCF,向第二用户发送呼叫正在前转的通知消息的单元。 11. The supplementary service server as claimed in claim 10, characterized in that, further comprising: means for a home user to a second S-CSCF sends the session after no response message, the home S-CSCF through the second user, the second the user unit is transmitting a call forwarding notification message.
12. —种MS域会话控制系统,其特征在于,包括:彩铃无应答前转业务的第二用户的补充业务服务器、第二用户归属的服务呼叫会话控制功能模块S-CSCF、第二用户的前转用户归属的S-CSCF、前转用户的彩铃控制子系统,其中: 所述补充业务服务器监测到第二用户无应答持续时间达到设定时长时,将第一用户呼叫第二用户的会话邀请发送给第二用户的前转用户归属的S-CSCF,所述会话邀请携帯第一用户媒体能力描述信息; 所述前转用户归属的S-CSCF确定前转用户为彩铃用户时,通过前转用户的彩铃控制子系统将会话邀请发送给前转用户,并将前转用户的彩铃控制子系统转发的前转用户的振铃响应发送给所述补充业务服务器; 所述补充业务服务器生成会话更新请求并发送给第一用户,以及接收第一用户返回的会话更新确认消息并转发给前转用户的彩铃控制子 12. - MS kind domain session control system, characterized by comprising: a second non-CRBT user response before forwarding service supplementary service server, the second user's home Serving-Call Session Control Function S-CSCF, the second user forwarding the user's home S-CSCF, forwarding CRBT user control subsystem, wherein: the supplementary service server to monitor the session duration, the first user calls a second user when the second user does not reach the set duration of response invitation to the second user before transmission of rotation S-CSCF the user's home, the first user session invitation Bands carrying media capability description information; when forwarding the user before forwarding the user's home S-CSCF determined CRBT user, the front transfer control subsystem CRBT user session invitation is sent to a forwarding user, and forwarding the user before forwarding CRBT control subsystem forwarding the user sending a response to the ringing supplementary service server; the supplementary service server generates a session update request sent to the first user, the first user receiving a session and update confirm message returned by the CRBT and forwarded to the control sub-user before forwarding 统,所述会话更新确认消息中携帯第一媒体能力描述信息,所述第一媒体能力描述信息为所述第一用户媒体能力描述信息,或者为第一用户根据所述第一用户媒体能力描述信息和第三媒体能力描述信息协商后确定的媒体能力描述信息,所述第三媒体能力描述信息为所述前转用户的彩铃控制子系统转发前转用户的振铃响应前,所述前转用户的彩铃控制子系统根据自身的媒体能力描述信息和所述第一用户媒体能力描述信息协商后得到的; 所述前转用户的彩铃控制子系统根据自身的媒体能力描述信息和第一媒体能力描述信息,确认协商后的第二媒体能力描述信息,井根据所述第二媒体能力描述信息向第一用户播放前转用户定制的彩铃。 System, a session update acknowledgment message carrying the first media capability Bands description information, the description information of the first media capability for the first user media capability description information is described as a first or a first user according to the media capability of the user determined before and after the third media capability information description information of the media capability negotiation description information, the description of the third media capability information for said forwarded user response to the ringing CRBT user before forwarding forwarding subsystem, said forward user control subsystem CRBT description information and the first user media capability description information obtained after the media negotiation according to its capacity; user turn the front CRBT description information and the first control subsystem according to its media capabilities media capability description information, to confirm the negotiated second media capability description information before forwarding the information to the first user playing the CRBT customized according to the second media well described capability.
13.如权利要求12所述的系统,其特征在于: 所述前转用户的彩铃控制子系统将会话邀请发送给前转用户前,还从所述会话邀请中获得第一用户媒体能力描述信息; 所述前转用户的彩铃控制子系统在转发给补充业务服务器的振铃响应中,携帯所述协商后的第三媒体能力描述信息; 补充业务服务器生成的会话更新请求中携帯所述协商后的第三媒体能力描述信息。 13. The system of claim 12, wherein: the front turn CRBT user session control subsystem forwarding the invitation before sending it to the user, a first user to obtain further media capability description information from the session invitation after the session update request of the supplementary service server generates said carrying Bands negotiation;; rotation of the front CRBT user control subsystem forwards the response to the ringing supplementary service server, the third carrying media capability negotiation after the description Bands the third media capability description.
14.如权利要求12或13所述的系统,其特征在于,所述前转用户的彩铃控制子系统具体包括:多媒体彩铃服务器MRBT AS和媒体资源功能实体MRF。 14. The system of claim 12 or claim 13, wherein the front transfer CRBT user control subsystem comprises: a multimedia ring back tone server MRBT AS and the MRF MRF.
CN 200910081149 2009-04-03 2009-04-03 IMS domain dialogue control method, system and supplementary business server CN101854612B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200910081149 CN101854612B (en) 2009-04-03 2009-04-03 IMS domain dialogue control method, system and supplementary business server

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200910081149 CN101854612B (en) 2009-04-03 2009-04-03 IMS domain dialogue control method, system and supplementary business server

Publications (2)

Publication Number Publication Date
CN101854612A CN101854612A (en) 2010-10-06
CN101854612B true CN101854612B (en) 2012-12-26

Family

ID=42805820

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200910081149 CN101854612B (en) 2009-04-03 2009-04-03 IMS domain dialogue control method, system and supplementary business server

Country Status (1)

Country Link
CN (1) CN101854612B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102833693B (en) * 2011-06-14 2018-03-13 中兴通讯股份有限公司 A kind of call processing method, apparatus and system
CN107786953A (en) * 2016-08-29 2018-03-09 中国移动通信有限公司研究院 VoLTE call encryptions processing method, application server and terminal

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6944444B1 (en) 2000-06-29 2005-09-13 Qwest Communications International Inc. Method and system for conditionally routing calls
CN101090420A (en) 2007-08-06 2007-12-19 中兴通讯股份有限公司 Implementing method and system for IMS field calling preswitch when busy and opera browser nested service
CN101175230A (en) 2006-10-25 2008-05-07 华为技术有限公司 System, device and method for user service data management

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6944444B1 (en) 2000-06-29 2005-09-13 Qwest Communications International Inc. Method and system for conditionally routing calls
CN101175230A (en) 2006-10-25 2008-05-07 华为技术有限公司 System, device and method for user service data management
CN101090420A (en) 2007-08-06 2007-12-19 中兴通讯股份有限公司 Implementing method and system for IMS field calling preswitch when busy and opera browser nested service

Also Published As

Publication number Publication date
CN101854612A (en) 2010-10-06

Similar Documents

Publication Publication Date Title
AU2011374206B2 (en) Methods and apparatuses for enabling an Single Radio Voice Call Continuity (SRVCC) access transfer of an emergency call back session
CN1647548B (en) Service access and conferencing system and method in a telecommunications network
CN101061729B (en) Method and related mobile communication system for providing combinational network services
US7898990B2 (en) Method, system and gateway device for enabling interworking between IP and CS networks
CN101662499B (en) Service access and conferencing system and method in a telecommunications network
EP1619854A1 (en) SIP message extension for push to watch service
CN1751493B (en) Conversational bearer negotiation
CN101176327B (en) Circuit-switched and multimedia subsystem voice continuity
CN1961595B (en) Communication method
CN100388685C (en) Method of implementing IMS registration triggering in IP multimedia subsystem
KR101185669B1 (en) Method and apparatus for an internet protocol multimedia subsystem-based three-way call
WO2006055227A2 (en) Method to facilitate distribution of group identifications for push-to-talk groups
US9160570B2 (en) Systems and method for enabling IP signaling in wireless networks
CN101292489A (en) Multimedia subsystem service control for circuit-switched subsystem calls
CN1663216A (en) A method and system to subscription of events using SIP protocol
JP5148509B2 (en) Method and apparatus for processing call request of IMS terminal including request for real-time service received via IMS domain by CSI terminal
KR20080015804A (en) Method and apparatus for identifying an ims service
US20100014508A1 (en) Method And System For Emergency Call
US10462191B2 (en) Circuit-switched and multimedia subsystem voice continuity with bearer path interruption
CN1801998A (en) Conversation switching method from multimedia subsystem domain to circuit subsystem domain
CA2742069C (en) Method and apparatus for interworking sip communication waiting with circuit switching and packet switching nodes
CN101317493B (en) Method and system for establishing urgent call, proxy call conversation control function entity
US20060256748A1 (en) System and method for interworking between IMS network and H.323 network
WO2007036123A1 (en) A method and communication system for the cs domain user accessing the ims domain
EP2458836B1 (en) Method, system and apparatus for implementing multimedia ring back tone service

Legal Events

Date Code Title Description
C06 Publication
C10 Request of examination as to substance
C14 Granted