WO2008031298A1 - Notification and processing method for modifying universal service information in ip multimedia system - Google Patents

Notification and processing method for modifying universal service information in ip multimedia system Download PDF

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Publication number
WO2008031298A1
WO2008031298A1 PCT/CN2006/003813 CN2006003813W WO2008031298A1 WO 2008031298 A1 WO2008031298 A1 WO 2008031298A1 CN 2006003813 W CN2006003813 W CN 2006003813W WO 2008031298 A1 WO2008031298 A1 WO 2008031298A1
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Prior art keywords
hss
cscf
message
configuration information
notification
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PCT/CN2006/003813
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French (fr)
Chinese (zh)
Inventor
Zhongke Li
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Zte Corporation
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Publication of WO2008031298A1 publication Critical patent/WO2008031298A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/20—Transfer of user or subscriber data
    • H04W8/205—Transfer to or from user equipment or user record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/04—Registration at HLR or HSS [Home Subscriber Server]

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a notification and processing method for modifying general service information in an IP multimedia subsystem.
  • IMS IP Multimedia Subsystem
  • S-CSCF Server-Call Session Control Function
  • HSS Home Subscriber Server, Home Subscriber Server
  • User Profile user service configuration information
  • the HSS returns this information to the S-CSCF, and the S-CSCF uses this information. Saved locally, the signaling interaction takes place at the Cx interface location shown in Figure 1.
  • the modification of the service configuration information of a specific user is synchronized to the S-CSCF network element by using the online update of the service configuration information sent by the HSS according to the registration status of the user.
  • the service configuration information (User Profile) is updated, so that the data of the service subscription information network element (HSS) and the service trigger network element (S-CSCF) are inconsistent, thereby affecting the provision of services.
  • HSS service subscription information network element
  • S-CSCF service trigger network element
  • the technical problem to be solved by the present invention is to provide a notification and processing method for modifying general service information in an IP multimedia subsystem, which utilizes a network element between a home subscription subscriber server HSS and a service-call session control function entity S-CSCF. Level signaling interaction, synchronous update of service configuration information.
  • the present invention provides a method for notifying and processing general service information in an IP multimedia subsystem, the method comprising: (1) After the common service information shared by the user is modified, the HSS needs to declare that all the services that belong to the user of the HSS and have been downloaded to the S-CSCF are invalid, and the HSS sends a notification message to the S-CSCF.
  • the HSS network element identifier is carried therein;
  • the S-CSCF After receiving the notification message, the S-CSCF searches for all users belonging to the HSS and registered in the S-CSCF according to the HSS identifier carried in the message, and sets the tag of the service configuration information of the users. It is "invalid", and in the next re-registration process, the user service configuration information stored in the HSS is forcibly downloaded to all users belonging to the HSS, or the new process is downloaded to the HSS when the session process is initiated before the next re-registration time comes. Configuration information.
  • the step (2) further includes: setting the flag of the updated service configuration information to "valid".
  • the S-CSCF After receiving the notification message, the S-CSCF further includes: returning a response message to the HSS, indicating that the S-CSCF has received the notification message.
  • the notification message is a message newly added between the HSS and the S-CSCF, or a message obtained by extending the original message.
  • the response message is a newly added message between the HSS and the S-CSCF, or a message obtained by extending the original message.
  • the address of the destination S-CSCF of the notification message is obtained from the neighbor office information configured by the HSS.
  • the address of the destination S-CSCF of the notification message is obtained from the dynamic registration S-CSCF address stored by the HSS.
  • FIG. 2 is a schematic flowchart of a method for notifying and processing general service information in an IP multimedia subsystem according to an embodiment of the invention
  • FIG. 3 is a schematic diagram of a flow of a re-registration opportunity and a prior session initiation in a notification and processing method for modifying general service information in an IP multimedia subsystem according to an embodiment of the present invention.
  • DETAILED DESCRIPTION OF THE INVENTION The present invention will be further described in detail below with reference to the accompanying drawings.
  • 2 is a schematic flowchart of a method for notifying and processing general service information in an IP multimedia subsystem according to an embodiment of the present invention. The specific process is as follows: Step 201: The common service information shared by the user is changed.
  • the HSS needs to notify the S-CSCF that all the services belonging to the HSS and the services that have been downloaded to the S-CSCF are invalid.
  • the HSS sends a notification message to the S-CSCF, which carries the network element identifier of the HSS, but does not contain any user identification information.
  • the address of the destination S-CSCF of the message can be obtained from the neighbor office information configured by the HSS. It can also be obtained from other information such as the dynamic registration S-CSCF address stored by the HSS.
  • Step silver 202 The S-CSCF receives the communication p message, and the i has recorded the HSS and returns a response to the HSS. The message indicates that the s-CSCF has received the notification message.
  • the S-CSCF identifies the HSS identifier carried in the message, and finds the users that belong to the HSS and are registered in the S-CSCF, and configures the service configuration information of the users.
  • the standard has been set to "invalid", and in the next re-registration process, the user service configuration information stored in the HSS is forcibly downloaded to all users belonging to the HSS.
  • Step 203 A user UE issues a re-registration request to the P-CSCF (generation - Call Session Control Function Entity.)
  • the I-CSCF obtains the S-by the UAR and UAA described in steps 205, 206.
  • Step 205 The I-CSCF sends a UAR (User-Authorization-Request) to the HSS.
  • Step-by-step 206 The HSS returns a UAA (User- Authorization- Answer, User) to the I-CSCF.
  • Step 207 The I-CSCF sends the re-registration request to the S-CSCF registered by the user.
  • Step 208 It can be seen from step 202 that the "invalid" flag of the user service information has been set, so the S-CSCF sets the information unit User Data Already Available in the SAR (Server- Assignment-Request) to "needed.
  • Step 210 The HSS returns a response message SAA (Server- Assignment-Answer) to the S-CSCF, which carries the latest user service configuration information.
  • SAA Server- Assignment-Answer
  • the S-CSCF sends a response message to the I-CSCF that the registration is successful.
  • the I-CSCF forwards the response message of successful registration to the P-CSCF.
  • the P-CSCF sends a response message of successful registration to a user UE.
  • Step 301 After the tampering of the common service information shared between users, the HSS needs to notify
  • the S-CSCF which declares that all the services that belong to the user of the HSS and that have been downloaded to the S-CSCF are invalid, the HSS sends a notification message to the S-CSCF, which carries the NE identifier of the HSS, but does not contain any User identification information.
  • the address of the destination S-CSCF of the message may be obtained from the neighbor office information configured by the HSS, or may be obtained from other information such as the dynamic registration S-CSCF address stored by the HSS.
  • Step 302 The S-CSCF receives the notification message, records the identifier of the HSS, and returns a response message to the HSS, indicating that the S-CSCF has received the notification message.
  • the S-CSCF finds the users belonging to the HSS registered in the S-CSCF according to the HSS identifier carried in the message, and invalidates the service configuration information of the users, and initiates the session process before the re-registration opportunity arrives. When, go to HSS to download new business configuration information.
  • Step 303 A user initiates a session request Invite (in the case of a terminating call, the initial calling process is similar).
  • Step 304 Forward the initiating session request to the I-CSCF.
  • the I-CSCF passes the UAR and UAA described in steps 305 and 306. Get the address of the S-CSCF.
  • UAR User-Authorization-Request
  • Step 306 The HSS returns a UAA (User-Authorization-Answer) to the I-CSCF.
  • Step 307 The I-CSCF sends the session request Invite to the S-CSCF registered by the user.
  • Step butterfly 308 It can be seen from step 302 that the "invalid" flag of the user service information has been set, so the S-CSCF sets the information unit User Data Already Available in the SAR (Server-Assignment-Request).
  • the Private Identity information element can be obtained from the relationship between the Public Identity and the Private Identity according to a certain policy in the S-CSCF; "3 ⁇ 4 has not been set, then proceeds to step 310, and the remaining session process is the same as the process of initiating a session under normal circumstances.
  • Step 309 The HSS returns a response message SAA (Server- Assignment-Answer) to the S-CSCF, and the message carries the latest user service configuration information. When the S-CSCF receives the response message, the S-CSCF removes the response message. User's "invalid" tag.
  • Step 310 The S-CSCF performs a certain service control process.

Abstract

A notification and processing method for modifying universal service information in IP multimedia system includes: when the universal service information shared among users is modified, HSS claims that all the users' service information which is downloaded to the S-CSCF is invalid, in which the users are homed to the HSS, the HSS sends a notification message which carries the ID of HSS network element; when receiving the notification message, the S-CSCF looks up all the users that are homed to the HSS and register in the S-CSCF according to the HSS ID carried in the message, and sets all the marks of the users' service configuration information to be “invalidate”, and during the reregistering in the next time, forces the users that are homed to the HSS to download the user service configuration information stored in the HSS, or before the reregistering in the next time, when a session is initiated, forces the user to download the new service configuration information in the HSS. The synchronization updating of the service configuration information is achieved by using the method.

Description

IP多 某体子系统中修改通用业务信息的通知和处理方法 技术领域 本发明涉及移动通讯领域， 尤其涉及一种 IP多媒体子系统中修改通用业 务信息的通知和处理方法。 背景技术 目前在 IMS ( IP Multimedia Subsystem , IP多媒体子系统） 系统中， 参见 图 1 , 用户在初始注册时， S-CSCF ( Serving-Call Session Control Function,服务 -呼叫会话控制功能实体）会向 HSS ( Home Subscriber Server, 归属签约用户服 务器）请求用户业务配置信息（ User Profile ), 该信息可能由多个业务配置信息 ( Service Profile )组成， HSS返回此信息给 S-CSCF， S-CSCF将此信息保存在 本地， 信令交互发生在图 1 中所示的 Cx接口位置。 而在重新注册时， 并不是必须再次下载此业务信息到本地。对特定用户的 业务配置信息的修改， 会根据用户的注册状态， 采用 HSS主发的业务配置信息 的在线更新来同步到 S-CSCF 网元。 有时 4艮多用户会共享一个业务配置信息 ( Service Profile )。 如果被大多数用户共享的这种通用业务配置信息发生了修 改， 若利用目前的处理机制， 会为每个用户产生一个在线的更新同步消息通知 S-CSCF, 这样在 HSS和 S-CSCF 网元间会产生大量的信令负荷； 若不采用目 前的同步机制， 那么要是 S-CSCF已经存在有旧的业务配置信息 （已作过初始 注册）， 而在后面的重注册可能不会读取已被更新了的业务配置信息 （User Profile ), 这样就会出现业务签约信息网元 （ HSS ) 和业务触发网元 （ S-CSCF ) 数据不一致的情况， 从而影响到业务的提供。 发明内容 本发明所要解决的技术问题在于提供一种 IP多媒体子系统中修改通用业 务信息的通知和处理方法， 利用归属签约用户服务器 HSS和服务 -呼叫会话控 制功能实体 S-CSCF之间的网元级信令交互， 实现业务配置信息的同步更新。 为了解决上述技术问题， 本发明提供了一种 IP多媒体子系统中修改通用 业务信息的通知和处理方法， 该方法包括： ( 1 ) 当用户间共享使用的通用业务信息修改后， HSS需要声明所有归属 于此 HSS的用户的、且已经下载到 S-CSCF的业务信息无效，由 HSS向 S-CSCF 发送一个通知消息， 其中携带 HSS网元标识； The present invention relates to the field of mobile communications, and in particular, to a notification and processing method for modifying general service information in an IP multimedia subsystem. BACKGROUND OF THE INVENTION Currently, in an IMS (IP Multimedia Subsystem) system, referring to FIG. 1, when a user initially registers, an S-CSCF (Serving-Call Session Control Function) will be sent to the HSS. (Home Subscriber Server, Home Subscriber Server) requests user service configuration information (User Profile), which may be composed of multiple Service Profiles. The HSS returns this information to the S-CSCF, and the S-CSCF uses this information. Saved locally, the signaling interaction takes place at the Cx interface location shown in Figure 1. When re-registering, it is not necessary to download this business information to the local. The modification of the service configuration information of a specific user is synchronized to the S-CSCF network element by using the online update of the service configuration information sent by the HSS according to the registration status of the user. Sometimes more than 4 users share a Service Profile. If the general service configuration information shared by most users is modified, if the current processing mechanism is utilized, an online update synchronization message will be generated for each user to notify the S-CSCF, thus the HSS and S-CSCF network elements. There will be a large amount of signaling load; if the current synchronization mechanism is not used, then if the S-CSCF already has the old service configuration information (already registered), the subsequent re-registration may not be read. The service configuration information (User Profile) is updated, so that the data of the service subscription information network element (HSS) and the service trigger network element (S-CSCF) are inconsistent, thereby affecting the provision of services. SUMMARY OF THE INVENTION The technical problem to be solved by the present invention is to provide a notification and processing method for modifying general service information in an IP multimedia subsystem, which utilizes a network element between a home subscription subscriber server HSS and a service-call session control function entity S-CSCF. Level signaling interaction, synchronous update of service configuration information. In order to solve the above technical problem, the present invention provides a method for notifying and processing general service information in an IP multimedia subsystem, the method comprising: (1) After the common service information shared by the user is modified, the HSS needs to declare that all the services that belong to the user of the HSS and have been downloaded to the S-CSCF are invalid, and the HSS sends a notification message to the S-CSCF. The HSS network element identifier is carried therein;
( 2 ) S-CSCF收到该通知消息后 , -据消息中携带的 HSS标识， 査找到 归属于此 HSS且注册在本 S-CSCF中的所有用户，将这些用户的业务配置信息 的标记设为 "无效"， 并在下次重注册过程中， 对所有归属于此 HSS的用户强 制下载 HSS存储的用户业务配置信息，或在下次重注册时机到来之前发起会话 过程时， 到 HSS下载新的业务配置信息。 其中， 所述步骤 （2 ) 进一步包括： 将所述更新后的业务配置信息的标记 设为 "有效"。 其中， 步骤 （2 ) 所述 S-CSCF收到该通知消息后， 进一步包括： 向 HSS 返回一个响应消息， 表示 S-CSCF已经收到该通知消息。 其中， 所述通知消息为在 HSS与 S-CSCF之间新增加的一个消息， 或对 原有消息进行扩展获得的消息。 其中， 所述响应消息为在 HSS与 S-CSCF之间新增加的一个消息， 或对 原有消息进行扩展获得的消息。 其中， 所述通知消息的目的地 S-CSCF的地址， 从 HSS配置的邻接局信 息中得到。 其中， 所述通知消息的目的地 S-CSCF的地址， 从 HSS存储的动态注册 S- CSCF地址中得到。 本发明所述的一种 IP多媒体子系统中 爹改通用业务信息的通知和处理方 法， 减少了 HSS和 S-CSCF之间的信令交互并及时更新了业务配置信息。 附图说明 图 1是 IMS系统的核心网络示意图； 图 2是根据本发明实施例所述的一种 IP多媒体子系统中修改通用业务信 息的通知和处理方法的流程示意图； 图 3是根据本发明实施例所述的一种 IP多媒体子系统中修改通用业务信 息的通知和处理方法中重注册时机未到而先有会话发起的流程示意图。 具体实施方式 下面结合附图对本发明作进一步的详细描述。 参考图 2, 为本发明实施例所述的一种 IP多媒体子系统中修改通用业务 信息的通知和处理方法的流程示意图。 具体过程如下： 步骤 201 : 用户间共享使用的通用业务信息^"改后， HSS 需要通知 S-CSCF, 声明所有归属于此 HSS的用户的、 且已经下载到 S- CSCF的业务言 息无效， HSS向 S-CSCF发送一条通知消息， 该消息携带 HSS的网元标识， 但 并不包含任何的用户标识信息。其中，消息的目的地 S-CSCF的地址可以从 HSS 配置的邻接局信息中得到，也可以从诸如 HSS存储的动态注册 S-CSCF地址等 其他信息中得到。 步银 202: S-CSCF收到所述通 p消息， i己录下 HSS的才示识并向 HSS返 回一个响应消息， 表示 s-CSCF 已经收到该通知消息。 S-CSCF 又 #居消息中 携带的 HSS标识， 查找到归属于此 HSS且注册在本 S-CSCF 中的用户， 将这 些用户的业务配置信息的标 Ϊ己设为 "无效"， 并在下次重注册过程中， 对所有 归属于此 HSS的用户强制下载 HSS存储的用户业务配置信息。 步骤 203： 某用户 UE发出重注册请求到 P-CSCF(代理 -呼叫会话控制 功能实体）。 步驟 204: P-CSCF将重注册请求转发到 I-CSCF (询问 -呼叫会话控制功 能实体）。 I-CSCF通过步骤 205、 206所述的 UAR及 UAA得到 S-CSCF的地 址。 步骤 205: I- CSCF向 HSS发送一个 UAR ( User- Authorization-Request, 用户 4受权请求）。 步-驟 206 : HSS 同时给 I-CSCF 返回一个 UAA ( User- Authorization- Answer, 用户 ¾权应答）。 步骤 207: I-CSCF将重注册请 ^求发送给用户注册的 S-CSCF。 步骤 208: 由步骤 202可知， 该用户业务信息的 "无效" 标记已经置位， 所以 S-CSCF将 SAR ( Server- Assignment-Request, 服务分配请求）中的信息单 元 User Data Already Available置为 "需要下载业务配置信息"， 并将 SAR发送 给 HSS; 若 "无效" 标记没有置位， 则进入步骤 210, 该过程与正常的重注册 过程相同。 步-骤 209: HSS返回一个响应消息 SAA ( Server- Assignment-Answer, 月^ 务分配应答）给 S-CSCF,该消息携带最新的用户业务配置信息， 当 S- CSCF收 到此响应消息后， 去除此用户的 "无效" 标记。 步骤 210: S-CSCF给 I- CSCF发送注册成功的响应消息。 步骤 211 : I-CSCF将注册成功的响应消息转发给 P-CSCF。 步骤 212: P-CSCF将注册成功的响应消息发送给某用户 UE。 参考图 3 , 为本发明实施例所述的一种 IP多媒体子系统中爹改通用业务 信息的通知和处理方法中重注册时机未到而先有会话发起的流程示意图。 具体 过程如下： 步骤 301 : 用户间共享使用的通用业务信息 爹改后， HSS 需要通知(2) After receiving the notification message, the S-CSCF searches for all users belonging to the HSS and registered in the S-CSCF according to the HSS identifier carried in the message, and sets the tag of the service configuration information of the users. It is "invalid", and in the next re-registration process, the user service configuration information stored in the HSS is forcibly downloaded to all users belonging to the HSS, or the new process is downloaded to the HSS when the session process is initiated before the next re-registration time comes. Configuration information. The step (2) further includes: setting the flag of the updated service configuration information to "valid". Step (2) After receiving the notification message, the S-CSCF further includes: returning a response message to the HSS, indicating that the S-CSCF has received the notification message. The notification message is a message newly added between the HSS and the S-CSCF, or a message obtained by extending the original message. The response message is a newly added message between the HSS and the S-CSCF, or a message obtained by extending the original message. The address of the destination S-CSCF of the notification message is obtained from the neighbor office information configured by the HSS. The address of the destination S-CSCF of the notification message is obtained from the dynamic registration S-CSCF address stored by the HSS. The method for notifying and processing the general service information in the IP multimedia subsystem according to the present invention reduces the signaling interaction between the HSS and the S-CSCF and updates the service configuration information in time. 1 is a schematic diagram of a core network of an IMS system; FIG. 2 is a schematic flowchart of a method for notifying and processing general service information in an IP multimedia subsystem according to an embodiment of the invention; FIG. 3 is a schematic diagram of a flow of a re-registration opportunity and a prior session initiation in a notification and processing method for modifying general service information in an IP multimedia subsystem according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION The present invention will be further described in detail below with reference to the accompanying drawings. 2 is a schematic flowchart of a method for notifying and processing general service information in an IP multimedia subsystem according to an embodiment of the present invention. The specific process is as follows: Step 201: The common service information shared by the user is changed. After the change, the HSS needs to notify the S-CSCF that all the services belonging to the HSS and the services that have been downloaded to the S-CSCF are invalid. The HSS sends a notification message to the S-CSCF, which carries the network element identifier of the HSS, but does not contain any user identification information. The address of the destination S-CSCF of the message can be obtained from the neighbor office information configured by the HSS. It can also be obtained from other information such as the dynamic registration S-CSCF address stored by the HSS. Step silver 202: The S-CSCF receives the communication p message, and the i has recorded the HSS and returns a response to the HSS. The message indicates that the s-CSCF has received the notification message. The S-CSCF identifies the HSS identifier carried in the message, and finds the users that belong to the HSS and are registered in the S-CSCF, and configures the service configuration information of the users. The standard has been set to "invalid", and in the next re-registration process, the user service configuration information stored in the HSS is forcibly downloaded to all users belonging to the HSS. Step 203: A user UE issues a re-registration request to the P-CSCF (generation - Call Session Control Function Entity.) Step 204: The P-CSCF forwards the re-registration request to the I-CSCF (Interrogation-Call Session Control Function Entity). The I-CSCF obtains the S-by the UAR and UAA described in steps 205, 206. The address of the CSCF. Step 205: The I-CSCF sends a UAR (User-Authorization-Request) to the HSS. Step-by-step 206: The HSS returns a UAA (User- Authorization- Answer, User) to the I-CSCF. Step 207: The I-CSCF sends the re-registration request to the S-CSCF registered by the user. Step 208: It can be seen from step 202 that the "invalid" flag of the user service information has been set, so the S-CSCF sets the information unit User Data Already Available in the SAR (Server- Assignment-Request) to "needed. Download the service configuration information ", and send the SAR to the HSS; if the "invalid" flag is not set, proceed to step 210, which is the same as the normal re-registration process. Step-209: The HSS returns a response message SAA (Server- Assignment-Answer) to the S-CSCF, which carries the latest user service configuration information. When the S-CSCF receives the response message, Remove the "invalid" tag for this user. Step 210: The S-CSCF sends a response message to the I-CSCF that the registration is successful. Step 211: The I-CSCF forwards the response message of successful registration to the P-CSCF. Step 212: The P-CSCF sends a response message of successful registration to a user UE. Referring to FIG. 3, it is a schematic flowchart of a process of notifying a re-registration opportunity and starting a session in a notification and processing method for tampering with general service information in an IP multimedia subsystem according to an embodiment of the present invention. The specific process is as follows: Step 301: After the tampering of the common service information shared between users, the HSS needs to notify
S-CSCF, 声明所有归属于此 HSS的用户的、 且已经下载到 S- CSCF的业务信 息无效， HSS向 S-CSCF发送一条通知消息， 该消息携带 HSS的网元标识， 但 并不包含任何的用户标识信息。其中，消息的目的地 S-CSCF的地址可以从 HSS 配置的邻接局信息中得到，也可以从诸如 HSS存储的动态注册 S-CSCF地址等 其他信息得到。 步骤 302: S-CSCF收到所迷通知消息， 记录下 HSS的标识并向 HSS返 回一个响应消息， 表示 S- CSCF 已经收到该通知消息。 S-CSCF 又才艮据消息中 携带的 HSS标识， 查找到注册在本 S-CSCF中的归属于此 HSS的用户， 将这 些用户的业务配置信息设为无效， 重注册时机到来之前发起会话过程时， 到 HSS下载新的业务配置信息。 步骤 303 : 某用户发起一个会话请求 Invite(以终呼为例，始呼过程类似 )„ 步骤 304: 将发起会话请求转发到 I- CSCF。 I-CSCF 通过步骤 305、 306 所述的 UAR及 UAA得到 S-CSCF的地址。 步骤 305: I-CSCF向 HSS发送一个 UAR ( User- Authorization-Request, 用户授权请求）。 步骤 306: HSS同时给 I-CSCF返回一个 UAA( User-Authorization- Answer, 用户 4受权应答）。 步骤 307: I-CSCF将会话请求 Invite发送给用户注册的 S-CSCF。 步蝶 308: 由步骤 302可知， 该用户业务信息的 "无效" 标记已经置位， 所以 S-CSCF将 SAR ( Server-Assignment- Request, 月艮务分配请求）中的信息单 元 User Data Already Available置为 "需要下载业务配置信息"， 并将 SAR发送 给 HSS , Private Identity 信息单元可以在 S-CSCF 中才艮据一定策略从 Public Identity和 Private Identity的关系中得到； 若业务 4言息的 "无效" ¾ 己没有置位， 则进入步骤 310, 剩下的会话过程和普通情况下发起会话的流程相同。 步骤 309: HSS返回一个响应消息 SAA ( Server- Assignment-Answer, 月良 务分配应答）给 S-CSCF,该消息携带最新的用户业务配置信息， 当 S-CSCF收 到此响应消息后， 去除此用户的 "无效" 标记。 步骤 310: S-CSCF执行一定的业务控制过程。 The S-CSCF, which declares that all the services that belong to the user of the HSS and that have been downloaded to the S-CSCF are invalid, the HSS sends a notification message to the S-CSCF, which carries the NE identifier of the HSS, but does not contain any User identification information. The address of the destination S-CSCF of the message may be obtained from the neighbor office information configured by the HSS, or may be obtained from other information such as the dynamic registration S-CSCF address stored by the HSS. Step 302: The S-CSCF receives the notification message, records the identifier of the HSS, and returns a response message to the HSS, indicating that the S-CSCF has received the notification message. The S-CSCF finds the users belonging to the HSS registered in the S-CSCF according to the HSS identifier carried in the message, and invalidates the service configuration information of the users, and initiates the session process before the re-registration opportunity arrives. When, go to HSS to download new business configuration information. Step 303: A user initiates a session request Invite (in the case of a terminating call, the initial calling process is similar). Step 304: Forward the initiating session request to the I-CSCF. The I-CSCF passes the UAR and UAA described in steps 305 and 306. Get the address of the S-CSCF. Step 305: The I-CSCF sends a UAR (User-Authorization-Request) to the HSS. Step 306: The HSS returns a UAA (User-Authorization-Answer) to the I-CSCF. Step 307: The I-CSCF sends the session request Invite to the S-CSCF registered by the user. Step butterfly 308: It can be seen from step 302 that the "invalid" flag of the user service information has been set, so the S-CSCF sets the information unit User Data Already Available in the SAR (Server-Assignment-Request). In order to "download the service configuration information" and send the SAR to the HSS, the Private Identity information element can be obtained from the relationship between the Public Identity and the Private Identity according to a certain policy in the S-CSCF; "3⁄4 has not been set, then proceeds to step 310, and the remaining session process is the same as the process of initiating a session under normal circumstances. Step 309: The HSS returns a response message SAA (Server- Assignment-Answer) to the S-CSCF, and the message carries the latest user service configuration information. When the S-CSCF receives the response message, the S-CSCF removes the response message. User's "invalid" tag. Step 310: The S-CSCF performs a certain service control process.

Claims

一种 IP多媒体子系统中修改通用业务信息的通知和处理方法， 利用归属 签约用户服务器 HSS和服务 -呼叫会话控制功能实体 S-CSCF之间的网元 级信令交互， 实现业务配置信息的同步更新， 其特征在于， 该方法包括： A notification and processing method for modifying general service information in an IP multimedia subsystem, using network element level signaling interaction between a home subscription subscriber server HSS and a service-call session control function entity S-CSCF to synchronize service configuration information An update, characterized in that the method comprises:
( 1 ) 当用户间共享使用的通用业务信息修改后， HSS需要声明所 有归属于此 HSS的用户权的、 且已经下载到 S-CSCF的业务信息无效， 由 HSS向 S-CSCF发送一个通知消息， 其中携带 HSS网元标识； (1) After the common service information shared by the user is modified, the HSS needs to declare that all the service information belonging to the user right of the HSS and has been downloaded to the S-CSCF is invalid, and the HSS sends a notification message to the S-CSCF. , carrying the HSS network element identifier;
( 2 ) S-CSCF收到该通知消息后， 根据消息中携带的 HSS标识， 查找到归属于此 HSS且注册在本 S-CSCF中的所有用户 , 将这些用户的 业务配置信息的标记设为 "无效"， 并在下次重注册过程中， 对所有归属 于此 HSS的用户强制下载 HSS存储的用书户业务配置信息， 或在下次重 注册时机到来之前发起会话过程时， 到 HSS下载新的业务配置信息。  (2) After receiving the notification message, the S-CSCF searches for all users belonging to the HSS and registered in the S-CSCF according to the HSS identifier carried in the message, and sets the tag of the service configuration information of these users to "Invalid", and in the next re-registration process, for all users belonging to this HSS, the user service configuration information of the HSS storage is forcibly downloaded, or the new process is downloaded to the HSS when the session process is initiated before the next re-registration time comes. Configuration information.
2. 如权利要求 1所述的方法， 其特征在于， 所述步骤（2 )进一步包括： 将 所述已更新的业务配置信息的标记设为 "有效"。 The method according to claim 1, wherein the step (2) further comprises: setting the flag of the updated service configuration information to "valid".
3. 如权利要求 1所述的方法， 其特征在于， 步骤（ 2 )所述 S-CSCF收到该 通知消息后， 进一步包括： 向 HSS返回一个响应消息， 表示 S- CSCF已 经收到该通知消息。 如权利要求 1 所述的方法， 其特征在于， 所述通知消息为在 HSS 与 S-CSCF之间新增加的一个消息， 或对原有消息进行扩展获得的消息。 如权利要求 3 所述的方法， 其特征在于， 所述响应消息为在 HSS 与 S-CSCF之间新增加的一个消息， 或对原有消息进行扩展获得的消息。 如权利要求 1所述的方法， 其特征在于， 所述通知消息的目的地 S-CSCF 的地址， 从 HSS配置的邻接局信息中得到。 如权利要求 1 所述的的方法， 其特征在于， 所述通知消息的目的地 S-CSCF的地址， 从 HSS存储的动态注册 S-CSCF地址中得到。 The method according to claim 1, wherein, after receiving the notification message, the S-CSCF further includes: returning a response message to the HSS, indicating that the S-CSCF has received the notification. Message. The method according to claim 1, wherein the notification message is a newly added message between the HSS and the S-CSCF, or a message obtained by extending the original message. The method according to claim 3, wherein the response message is a newly added message between the HSS and the S-CSCF, or a message obtained by extending the original message. The method according to claim 1, wherein the address of the destination S-CSCF of the notification message is obtained from the neighbor office information configured by the HSS. The method according to claim 1, wherein the address of the destination S-CSCF of the notification message is obtained from a dynamically registered S-CSCF address stored by the HSS.
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