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Diameter routing method and system

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Publication number
CN101945047A
CN101945047A CN 201010289067 CN201010289067A CN101945047A CN 101945047 A CN101945047 A CN 101945047A CN 201010289067 CN201010289067 CN 201010289067 CN 201010289067 A CN201010289067 A CN 201010289067A CN 101945047 A CN101945047 A CN 101945047A
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CN
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Prior art keywords
diameter
routing
user
method
ims
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CN 201010289067
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Chinese (zh)
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CN101945047B (en )
Inventor
于波
刘智江
张强
张志华
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中兴通讯股份有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/14Metering, charging or billing arrangements specially adapted for data wireline or wireless communications
    • H04L12/141Indication of costs
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements or protocols for real-time communications
    • H04L65/10Signalling, control or architecture
    • H04L65/1013Network architectures, gateways, control or user entities
    • H04L65/1016IMS
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements or protocols for real-time communications
    • H04L65/10Signalling, control or architecture
    • H04L65/1013Network architectures, gateways, control or user entities
    • H04L65/1043MGC, MGCP or Megaco
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/57Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP for integrated multimedia messaging subsystem [IMS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/62Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP based on trigger specification

Abstract

The invention provides a Diameter routing method which comprises the following step: after setting up a call between a C network user and an IP multimedia subsystem (IMS) user, using the user number of the IMS user as a prime key word for Diameter message routing to look for routes in the process of transmitting charging information to the IMS network. The invention also provides a Diameter routing system. The method uses the calling number or the called number in the call as the prime key word for Diameter message routing, thereby reducing the message flow.

Description

一种Diameter路由方法和系统 Method and system for routing one kind Diameter

技术领域 FIELD

[0001] 本发明涉及移动通信领域,尤其涉及一种Diameter路由方法和系统。 [0001] The present invention relates to the field of mobile communications, particularly to a method and system for routing Diameter. 背景技术 Background technique

[0002] 在通信网络系统普遍应用的今天,为了保障通信网络的安全和商业用途,通信网络中各类资源的使用,需要通过通信网络系统支持认证、授权和计费功能。 [0002] In today's communication network system widely used, in order to protect the safety and commercial use communication networks, communication networks using various resources, the need to support authentication, authorization and accounting functions through the communication network system. 目前,通信网络系统使用的两种主流AAA (Authentication、Authorization、Accounting,鉴别、授权、计费)应用协议为Radius和Diameter协议。 Currently, the two main communication network system using the AAA (Authentication, Authorization, Accounting, authentication, authorization, accounting) application protocol Radius and Diameter protocol. Diameter协议是新一代的AAA技术,它克服了Radius协议的诸多弊端,并以其强大的可扩展性和安全保证,正得到越来越多的关注。 Diameter protocol is a new generation of AAA technology, which overcomes the drawbacks of the Radius protocol, and its strong scalability and security guarantees, are being more and more attention. 在ITU(国际电信联盟)、3GPP和3GPP2等国际标准组织中,已经正式将其作为NGN(下一代网络)、WCDMA (宽带码分多址)和CDMA2000等未来通信网络的首选AAA协议。 In the ITU (International Telecommunication Union), 3GPP and 3GPP2, etc. ISO has been officially it as NGN (Next Generation Network), WCDMA (Wideband Code Division Multiple Access) and CDMA2000 communication network such as the future AAA protocol of choice.

[0003] CDMA2000系统中,在传统C网与IMS (IP多媒体子系统)网络互通时,呼叫接通通话后,需传统C网中的MGCF(媒体网关控制功能)网元将通话的计费信息发送给IMS网络中的CG(计费网关)计费中心,目前业内通常采用Diameter协议来传递计费信息。 After [0003] CDMA2000 system, when a conventional C network and IMS (IP Multimedia Subsystem) network interworking, the call is connected the call, the network needs to conventional C the MGCF (Media Gateway Control Function) network element the call charging information IMS network to a CG (charging gateway) charging center, currently the industry typically uses Diameter protocol is transmitted accounting information.

[0004] 在RFC3588 Diameter协议中规定了Diameter消息路由采用基于域的路由表方式。 [0004] specified in RFC3588 Diameter Diameter protocol routing table based message routing mode domain. 所有基于域的路由查找都是依靠域路由表来执行的。 Find all based routing domains are relying domain routing table to perform. 域路由表入口包含以下字段: Domain routing table entry contains the following fields:

[0005] ——域名。 [0005] - domain name. 该字段通常用作路由表查询中的主关键字。 This field is usually used as the primary key of the routing tables in the query. 注意,某些实际应用在执行查询时是基于“从右端最长匹配”的原则,而不要求完全匹配。 Note that some practical application when performing a query is based on the principle of "the longest match from the right" without requiring an exact match.

[0006]—应用标识符。 [0006] - application identifier. 一个应用是由运营商ID和应用ID来标识的。 An application by the operator ID and ID to identify the application. 目前运营商ID 均定为“0”。 The current operator ID are set to "0." 一个路由入口基于消息中的应用标识AVP(AttributeValue Pair,属性值对), 可能拥有不同的目的地。 A message routing entry based on the application identifier AVP (AttributeValue Pair, the attribute value pairs), may have different destinations. 应用标识符必须用作路由表查询的第二关键字字段。 The application identifier must be used as routing table lookup second key field.

[0007]—本地动作。 [0007] - local actions. 本地动作字段用来标识一个消息将被如何处理。 Local action field is used to identify how a message is processed. 支持以下动作: It supports the following actions:

[0008] · LOCAL (本地)-本地动作设置为LOCAL的Diameter消息可以在本地处理,无需被路由到其它服务器。 [0008] · LOCAL (Local) - local actions to LOCAL Diameter messages can be handled locally, without having to be routed to the other servers.

[0009] -RELAY (中继)_所有属于本类型的Diameter消息必须被路由到下一跳的服务器, 无需修改任何非路由AVP。 [0009] -RELAY (relay) _ all belong to this type of Diameter messages must be routed to the next hop server, without changing any non-routing AVP.

[0010] +ROXY(代理)-所有属于本类型的Diameter消息必须被路由到下一跳的服务器。 [0010] + ROXY (Agent) - all belong to this type of Diameter messages must be routed to the next hop server. 本地服务器可以在路由之前通过将新的AVP插入到该消息中,来实行本地策略。 Before the local server can be routed through the new AVP is inserted into the message, to implement local policy.

[0011] · REDIRECTS重定向)_所有属于本类型的Diameter消息必须附加归属Diameter 服务器的标识,并且返回给消息的发送者。 [0011] · REDIRECTS redirect) _ all the Diameter message belongs to the present type must identify additional home Diameter server, and returns to the sender of the message.

[0012] 从上文描述可以看出,对于Diameter消息路由采用域名作为主关键字,而此时MGCF向CG计费中心发送消息时,采用CG的域名作为消息路由的主关键字。 [0012] As can be seen from the above description, when the domain name is used for routing a Diameter message as the primary key, and this time sending a message to the MGCF billing center CG, CG domain employed as the primary key for message routing. 如图1所示,为了实现不同CG计费中心管理不同号码,IMS网元需要根据不同号码通过配置映射为不同的CG域名,在呼叫接通时传递给MGCF网元。 , In order to implement different billing management center CG different numbers, the IMS network element needs to map the configuration according to FIG. 1 by the number of different domain names for different CG transmitted to the network element MGCF when the call is answered.

[0013] 图1为基于域名进行Diameter路由的计费上报流程图,包括: [0013] FIG. 1 is a Diameter accounting for reporting routing domain based on the flowchart, comprising:

[0014] 101 =IMS网元投入运行前,将不同号码或号码段映射为不同CG域名。 Before [0014] 101 = IMS network elements in operation, different numbers or segments mapped to a different domain CG. [0015] 如999900001<->cgl. example, com. cn,888800001<->cg2. example, com. cn。 [0015] The 999900001 <->. Cgl example, com cn, 888800001. <->.. Cg2 example, com cn.

[0016] 102 =C网用户呼叫IMS用户或IMS用户呼叫C网用户,MGCF与IMS网元之间呼叫建立,IMS网元将CG域名传递给MGCF。 [0016] 102 = C IMS network user or IMS subscriber calls user C calls user network, the call is established between the network element MGCF and the IMS, the IMS network element is transmitted to the MGCF CG domain.

[0017] 103 =MGCF以CG域名作为主关键字,在路由表中查找到路由记录,得到本地动作为:RELAY,向外发送ACR(Accounting Request,计费请求)消息。 [0017] 103 = MGCF CG domain as the primary key to find a route in the routing table records, local action is obtained: RELAY, transmitting ACR (Accounting Request, accounting request) message out.

[0018] 104 =MGCF将编码后的ACR消息,通过底层链路将消息发送给IMS网元。 [0018] 104 = MGCF ACR message will encode the message sent via the underlying link to the IMS network element.

[0019] 105 :CG计费中心接收到ACR消息,提取消息中的目的域名AVP,作为主关键字在路由表中查找路由记录,得到结果本地动作为:L0CAL,消息在本CG计费中心处理。 [0019] 105: CG ACR accounting center receives the message, extracts the destination domain name AVP in the message, the routing records in the routing table as the primary key, and the results of local action: L0CAL, the message processing in the present billing center CG .

[0020] 106 =CG计费中心处理完ACR消息,向MGCF回ACA (AccountingAnswer,计费响应) 消息,编码后通过底层链路发送给MGCF网元。 [0020] 106 = CG ACR message accounting center has been processed, back ACA (AccountingAnswer, charging response) message to the MGCF, sent to the MGCF NE underlying link encoded.

[0021] 采用图1描述的方式,实现不同CG管理不同号段用户,缺点在于需在IMS网元进行用户号码与CG域名对应关系设定,同时在呼叫过程中需根据用户号码得到CG域名,发送给MGCF网元,这样也增加了IMS与MGCF网元之间的消息流量。 [0021] The embodiment depicted in Figure 1, to achieve different users different number segment management CG, the disadvantage that the need for the user number is set in the correspondence relation CG domain IMS network elements, while the need to give CG domain during the call according to the subscriber number, NE sent to the MGCF, this also increases the message traffic between the MGCF and the IMS network element.

发明内容 SUMMARY

[0022] 本发明要解决的技术问题是提出一种Diameter路由方法和系统,不需要在IMS网元进行用户号码与CG域名对应关系设定,不用IMS网元在呼叫过程中根据用户号码得到CG 域名发送给MGCF网元,减少了消息流量。 [0022] The present invention is to solve the technical problem is to provide a method and system for routing Diameter, does not require the user number and the CG domain correspondence relation setting element in the IMS network, IMS network elements without CG obtained during the call according to the subscriber number domain name sent to the MGCF network elements, reducing message traffic.

[0023] 为了解决上述问题,本发明提供了一种Diameter路由方法,包括: [0023] In order to solve the above problems, the present invention provides a Diameter routing method, comprising:

[0024] C网用户和IP多媒体子系统(IMS)用户建立呼叫后,在发送计费信息给IMS网络的过程中,使用所述MS用户的用户号码作为Diameter消息路由的主关键字查找路由。 After the [0024] C network users and an IP multimedia subsystem (IMS) user to establish a call, the process of sending the charging information to the IMS network, using a subscriber number of the user of the MS as the primary key to lookup routing a Diameter message routing.

[0025] 进一步的,上述方法还可具有以下特点, [0025] Further, the above method may have the following features,

[0026] 所述使用IMS用户的用户号码作为Diameter消息路由的主关键字包括: [0026] The IMS subscriber number used as the primary key Diameter message routing comprises:

[0027] 当C网用户呼叫IMS用户时,使用被叫号码作为Diameter消息路由的主关键字; [0027] When the IMS user C calls user network using the called number as the primary key of the Diameter message routing;

[0028] 当IMS用户呼叫C网用户时,使用主叫号码作为Diameter消息路由的主关键字。 [0028] When the IMS network user C calls user, using the calling number as the primary key Diameter message routing.

[0029] 进一步的,上述方法还可具有以下特点, [0029] Further, the above method may have the following features,

[0030] 媒体网关控制功能(MGCF)配置并保存IMS用户的用户号码与计费网关的映射关系; [0030] Media Gateway Control Function (the MGCF) and save the mapping relationship configured IMS subscriber number and the charging gateway;

[0031] 当C网用户呼叫IMS用户时,所述使用IMS用户的用户号码作为Diameter消息路由的主关键字包括: [0031] When the IMS user C calls user network, the IMS using the subscriber number as a primary key Diameter message routing comprises:

[0032] 所述MGCF提取被叫号码,使用所述被叫号码作为主关键字查找路由表,得到对应的计费网关,向所述计费网关发送计费请求消息,所述计费请求消息中携带被叫号码信息。 [0032] The MGCF extracted called number, the called number is used as the primary key to the routing table to obtain the corresponding billing gateway, the charging request message to the gateway sends a charging, the charging request message carries the called number information.

[0033] 进一步的,上述方法还可具有以下特点, [0033] Further, the above method may have the following features,

[0034] MGCF配置并保存IMS用户的用户号码与计费网关的映射关系; [0034] MGCF of the IMS user configured and saved mapping relationship between the user and the number of charging gateway;

[0035] 当IMS用户呼叫C网用户时,所述使用IMS用户的用户号码作为Diameter消息路由的主关键字包括: [0035] When the IMS network user C calls user, the IMS using the subscriber number as a primary key Diameter message routing comprises:

[0036] MGCF提取主叫号码,使用所述主叫号码作为主关键字查找路由表,得到对应的计费网关,向所述计费网关发送计费请求消息,所述计费请求消息中携带主叫号码信息。 [0036] MGCF extracts the calling number, using the calling number as the primary key to the routing table to obtain the corresponding billing gateway, sending a charging request message to the charging gateway, the charging request message carries caller ID information.

[0037] 进一步的,上述方法还可具有以下特点, [0037] Further, the above method may have the following features,

5[0038] 所述计费网关接收到所述计费请求消息后,从所述计费请求消息中提取所述被叫号码和主叫号码,判断至少其中之一属于所述计费网关时,接收并处理所述计费请求消息。 5 [0038] The charging gateway receiving the charging request message, extracts the message from the charging request the called number and the calling number, wherein determining at least one charging gateway belonging to the receives and processes the charging request message.

[0039] 本发明还提供一种Diameter路由系统,所述系统包括媒体网关控制功能(MGCF), 用于在C网用户和IP多媒体子系统(IMS)用户建立呼叫后,在发送计费信息给IMS网络的过程中,使用IMS用户的用户号码作为Diameter消息路由的主关键字查找路由。 [0039] The present invention further provides a Diameter routing system, the system comprising a media gateway control function (the MGCF), C for the network users and an IP multimedia subsystem (IMS) user to establish a call, to send accounting information in process IMS network using IMS subscriber number as the primary key routes to the routing Diameter messages.

[0040] 进一步的,上述系统还可具有以下特点, [0040] Further, the above system may have the following features

[0041] 所述MGCF是用于:当C网用户呼叫IMS用户时,使用被叫号码作为Diameter消息路由的主关键字;当IMS用户呼叫C网用户时,使用主叫号码作为Diameter消息路由的主 [0041] The MGCF is configured to: when the user calls the IMS network user C using the called number as the primary key of a Diameter message routing; C when the IMS network user calls the user, using the calling number as a Diameter message routing the Lord

关键字。 Keywords.

[0042] 进一步的,上述系统还可具有以下特点, [0042] Further, the above system may have the following features

[0043] 所述MGCF还用于配置并保存IMS用户的用户号码与计费网关的映射关系;以及, 当C网用户呼叫IMS用户时,提取被叫号码,使用所述被叫号码作为主关键字查找路由表, 得到对应的计费网关,向所述计费网关发送计费请求消息,所述计费请求消息中携带被叫 [0043] The mapping between user number MGCF further charging gateway and configured and saved for IMS user; and, when the IMS user C calls user network, extract the called number, the called number is used as a master key word searching the routing table to obtain the corresponding billing gateway, sending a charging request message to the charging gateway, the charging request message carries the called

号码信息。 Number information.

[0044] 进一步的,上述系统还可具有以下特点, [0044] Further, the above system may have the following features

[0045] 所述MGCF还用于配置并保存IMS用户的用户号码与计费网关的映射关系;以及, 当IMS用户呼叫C网用户时,提取主叫号码,使用所述主叫号码作为主关键字查找路由表, 得到对应的计费网关,向所述计费网关发送计费请求消息,所述计费请求消息中携带主叫 [0045] The mapping between user number MGCF further charging gateway and configured and saved for IMS user; and, when the IMS network user C calls user, extracting the calling number, using the calling number as the primary key word searching the routing table to obtain the corresponding billing gateway, sending a charging request message to the charging gateway, the charging request message carries the calling

号码信息。 Number information.

[0046] 进一步的,上述系统还可具有以下特点, [0046] Further, the above system may have the following features

[0047] 所述系统还包括计费网关,所述计费网关用于接收到所述计费请求消息后,从所述计费请求消息中提取所述被叫号码和主叫号码,判断至少其中之一属于所述计费网关时,接收并处理所述计费请求消息。 [0047] The system further comprises a charging gateway, the billing gateway for receiving the charging request message, the charging request message is extracted from the called number and the calling number, determined at least when one part of the charging gateway, receives and processes the charging request message.

[0048] 本发明所述方法,利用呼叫中的主叫号码或被叫号码作为Diameter消息路由的主关键字,不需要在IMS网元进行用户号码与CG域名对应关系设定,不需要IMS网元在呼叫过程中根据用户号码得到CG域名发送给MGCF网元,减少了消息流量。 [0048] The method of the present invention, the use of call calling number or the called number as a primary key routing a Diameter message, the user need not be the domain number and the CG correspondence relation setting element in the IMS network, IMS network need not element CG obtained during a call to a subscriber number according to the domain network element MGCF, reducing message traffic. 另外,由于在MGCF 发送给CG计费中心的ACR消息中,目前已具有主叫号码与被叫号码,所以不需要增加额外的开销。 Further, since the ACR message CG transmitted to a billing center in the MGCF, now having a calling number and called number, so no additional overhead.

附图说明 BRIEF DESCRIPTION

[0049] 图1是基于CG域名计费上报流程; [0049] FIG. 1 is a billing report based on the domain name CG process;

[0050] 图2是本发明基于被叫号码路由计费上报流程; [0050] FIG. 2 is a process of the present invention is based on the called number reported by the charging route;

[0051] 图3是本发明基于主叫号码路由计费上报流程。 [0051] FIG. 3 is a process of the present invention is based on the calling number to report the charging route.

具体实施方式 detailed description

[0052] 本发明提供一种Diameter路由方法,包括:C网用户和IP多媒体子系统(IMS)用户建立呼叫后,在发送计费信息给IMS网络的过程中,使用所述IMS用户的用户号码作为Diameter消息路由的主关键字查找路由。 [0052] The present invention provides a Diameter routing method, comprising: C network users and an IP multimedia subsystem (IMS) user after the call is established, the process of sending the charging information to the IMS network, the IMS using the subscriber number as the primary key routes to the routing Diameter messages.

[0053] 其中,在C网用户呼叫IMS用户时,采用被叫号码作为Diameter消息路由的主关键字;在IMS用户呼叫C网用户时,采用主叫号码作为Diameter消息路由的主关键字。 [0053] wherein, when the IMS user C calls user network using the called number as the primary key of a Diameter message routing; C when the IMS subscriber calls network user, using the calling number as the primary key Diameter message routing.

[0054] 其中,媒体网关控制功能(MGCF)配置并保存IMS用户的用户号码与计费网关的映射关系; [0054] wherein the media gateway control function (the MGCF) and save the mapping relationship configured IMS subscriber number and the charging gateway;

[0055] 当C网用户呼叫IMS用户时,包括: [0055] When the IMS user C calls user network, comprising:

[0056] 所述MGCF提取被叫号码,使用所述被叫号码作为主关键字查找路由表,得到对应的计费网关,向所述计费网关发送计费请求消息,所述计费请求消息中携带被叫号码信息; [0056] The MGCF extracted called number, the called number is used as the primary key to the routing table to obtain the corresponding billing gateway, the charging request message to the gateway sends a charging, the charging request message carries the called number information;

[0057] 所述计费网关接收到所述计费请求消息后,从所述计费请求消息中提取所述被叫号码和主叫号码,判断至少其中之一属于所述计费网关时,接收并处理所述计费请求消息。 When [0057] the charging gateway receiving the charging request message, the request message extracting the calling number and called number from the billing, wherein the at least one determined part of the charging gateway, It receives and processes the charging request message.

[0058] 当IMS用户呼叫C网用户时,包括:MGCF提取主叫号码,使用所述主叫号码作为主关键字查找路由表,得到对应的计费网关,向所述计费网关发送计费请求消息,所述计费请求消息中携带主叫号码信息; [0058] When the IMS network user C calls user, comprising: MGCF extracting the calling number, using the calling number as the primary key to the routing table to obtain the corresponding charging gateway to send charging the charging gateway request message, the charging request message carries the calling number;

[0059] 所述计费网关接收到所述计费请求消息后,从所述计费请求消息中提取所述被叫号码和主叫号码,判断至少其中之一属于所述计费网关时,接收并处理所述计费请求消息。 When [0059] the charging gateway receiving the charging request message, the request message extracting the calling number and called number from the billing, wherein the at least one determined part of the charging gateway, It receives and processes the charging request message.

[0060] 图2和图3给出两种基于用户号码进行Diameter路由的计费消息上报流程图,可以发现两种方式适用于不同的业务场景,当C网用户呼叫IMS用户时,需使用被叫号码作为查询路由表关键字,当IMS用户呼叫C网用户时,需使用主叫号码作为查询路由表关键字。 [0060] FIG. 2 and FIG. 3 shows two kinds Diameter routing number for the user based on the accounting message reporting a flowchart, can be found in two ways for different business scenarios, when a user calls the IMS network user C, use is call number as a keyword query routing table, when the IMS subscriber calls C network users need to use the calling number as a keyword query routing table.

[0061] 图2为当C网用户呼叫IMS用户时,基于被叫号码进行Diameter路由的计费上报流程图,包括: [0061] FIG. 2 is a C when the IMS network when the user calls the user, accounting for Diameter routing based on the called number reported by the flowchart, comprising:

[0062] 201 :首先MGCF网元需进行数据配置,配置IMS用户号码与不同CG之间映射关系, 并保存在MGCF网元中,例如9999****号段用户映射CG1,8888*#*号段用户映射CG2。 [0062] 201: MGCF firstly needs to configure data network elements, configuring the mapping between different IMS subscriber numbers and the CG, and stored in the network element MGCF, for example, paragraph number 9999 **** user mapping CG1,8888 * # * No user mapping section CG2.

[0063] 202 =C网用户呼叫IMS网络中用户,通过SIP协议呼叫接续,此时比如IMS用户号码为99990001。 [0063] 202 = C network users call a user IMS network, the SIP call connection protocol, such as the IMS user at this time number is 99990001.

[0064] 203 :MGCF网元提取出呼叫过程中的被叫号码99990001,根据在步骤201所做的数据配置,以被叫号码作为主关键字查找路由表,基于“从右端最长匹配”的原则,得到结果为CG1,并且本地动作为:RELAY ; [0064] 203: MGCF NE extracts the called number during the call 99990001, in accordance with the configuration data in step 201 is made to the called number as a primary key to the routing table, based on the "longest match from the right end" of principle, the result is CG1, and the local action of: RELAY;

[0065] 204 =MGCF向CGl发送ACR(计费请求)消息,消息中携带被叫号码信息。 [0065] 204 = MGCF transmits the ACR (accounting request) message to CGl, the message carries the called number information.

[0066] 205 :CG1接收到该ACR消息,从消息中提取出主叫号码与被叫号码,分别判断号码是否属于本CG,如至少其中一个号码属于本CG,则本地处理,此时被叫号码99990001属于CGl,接受处理此ACR消息。 [0066] 205: CG1 receiving the ACR message, extracts the calling number and called number from the message, respectively, is determined whether the present number of the CG, as at least a part of this number the CG, the local processing, this time called number 99990001 belongs CGl, this acceptance processing ACR message.

[0067] 206 =CGl处理完ACR消息,向MGCF返回ACA(计费响应)消息。 [0067] 206 = CGl ACR message has been processed, return to the ACA (charging response) message to the MGCF.

[0068] 图3为当IMS用户呼叫C网用户时,基于主叫号码进行Diameter路由的计费上报流程图。 When [0068] FIG. 3 is a network when the IMS user C calls user, accounting for Diameter routing based on the calling number to report a flowchart.

[0069] 301 :首先MGCF网元需进行数据配置,做好IMS用户号码与不同CG之间映射关系, 并保存在网元中。 [0069] 301: MGCF firstly needs to configure data network elements, to do the mapping between different IMS users and the CG number, and stored in the network element. 例如9999****号段用户映射<_>CG1,8888*#*号段用户映射<_>CG2。 For example the user number segment map 9999 **** <_> CG1,8888 * # * user number segment map <_> CG2.

[0070] 302 =IMS网络中用户呼叫C网用户,通过SIP协议呼叫接续,此时比如IMS用户号码为99990001。 [0070] 302 = IMS network user C calls user network, the SIP call connection protocol, such as the IMS user at this time number is 99990001.

[0071] 303 =MGCF网元提取出呼叫过程中的主叫号码99990001,根据在步骤301所做的 [0071] 303 = MGCF NE extracted calling number in a call 99990001, made in accordance with step 301

数据配置,以主叫号码作为主关键字查找路由表,基于“从右端最长匹配”的原则,得到结果CG1,并且本地动作为:RELAY,向CGl发送ACR消息。 Configuration data, the calling number as the primary key to lookup routing table, based on the principle of "the longest match from the right" to obtain a result CG1, and the local action of: RELAY, sending a message to the ACR CGl.

[0072] 304 =MGCF向CGl发送ACR消息,消息中携带主叫号码AVP信息。 [0072] 304 = MGCF ACR message to send CGl, AVP message carrying the calling number information.

[0073] 305 =CGl接收到ACR消息,从消息中提取出主叫号码与被叫号码,分别判断号码是否属于本CG1,如至少其中一个号码属于本CG,则本地处理,此时主叫号码99990001属于CGl,接受处理此ACR消息。 [0073] 305 = CGl receiving the ACR message, extracts the calling number and called number from the message, each number is determined whether the present CG1, such as at least a part of this number the CG, the local processing, and the calling party number 99990001 belongs CGl, this acceptance processing ACR message.

[0074] 306 : CG1处理完ACR消息,向MGCF返回ACA消息。 [0074] 306: CG1 processed ACR message, returns an ACA message to the MGCF.

[0075] 本发明还提供一种Diameter路由系统,所述系统包括媒体网关控制功能(MGCF), 用于在C网用户和IP多媒体子系统(IMS)用户建立呼叫后,在发送计费信息给IMS网络的过程中,使用IMS用户的用户号码作为Diameter消息路由的主关键字查找路由。 [0075] The present invention further provides a Diameter routing system, the system comprising a media gateway control function (the MGCF), C for the network users and an IP multimedia subsystem (IMS) user to establish a call, to send accounting information in process IMS network using IMS subscriber number as the primary key routes to the routing Diameter messages. 其中,当C网用户呼叫IMS用户时,使用被叫号码作为Diameter消息路由的主关键字;当IMS用户呼叫C网用户时,使用主叫号码作为Diameter消息路由的主关键字。 Wherein, when the IMS user C calls user network using the called number as the primary key of a Diameter message routing; C when the IMS network user calls the user, using the calling number as the primary key Diameter message routing.

[0076] 所述MGCF还用于配置并保存IMS用户的用户号码与计费网关的映射关系。 [0076] The MGCF configured and saved for further IMS user mapping between the subscriber number and the charging gateway.

[0077] 所述MGCF用于当C网用户呼叫IMS用户时,提取被叫号码,使用所述被叫号码作为主关键字查找路由表,得到对应的计费网关,向所述计费网关发送计费请求消息,所述计费请求消息中携带被叫号码信息。 [0077] MGCF is used when the user calls the IMS network user C, the extracted called number, the called number is used as the primary key to the routing table to obtain the corresponding charging gateway to send the charging gateway charging request message, the charging request message carries the called number information.

[0078] 所述MGCF用于当IMS用户呼叫C网用户时,提取主叫号码,使用所述主叫号码作为主关键字查找路由表,得到对应的计费网关,向所述计费网关发送计费请求消息,所述计费请求消息中携带主叫号码信息。 [0078] MGCF is used when the IMS network user C calls user, extracting the calling number, using the calling number as the primary key to the routing table to obtain the corresponding charging gateway to send the charging gateway charging request message, the charging request message carries the calling number.

[0079] 其中,所述系统还包括计费网关,所述计费网关用于接收到所述计费请求消息后, 从所述计费请求消息中提取所述被叫号码和主叫号码,判断至少其中之一属于所述计费网关时,接收并处理所述计费请求消息。 [0079] wherein said system further comprises a charging gateway, the billing gateway for receiving the charging request message, the request message extracting the calling number and called number from the billing, wherein at least one of determining the billing gateway belongs, to receive and process the charging request message.

[0080] 通过以上方法,不再需要IMS将CG的域名发送给MGCF,实现不同用户的计费消息发送到其归属的CG计费中心。 [0080] By the above method, it is no longer necessary to CG IMS domain sent to the MGCF, different users of its home charging message to the billing center CG. 而且由于IMS不需将CG的域名发送给MGCF,达到减少消息流量的效果。 And since the IMS domain without the CG to a MGCF, to achieve the effect of reducing message traffic. 根据号码进行Diameter路由,在进行网络规划时,可实现不同CG计费中心管理不同号段的用户,便于网络管理。 The Diameter routing number for, when performing network planning, accounting may be implemented management center CG different users different number of segments to facilitate network management.

Claims (10)

  1. 一种Diameter路由方法,其特征在于,包括:C网用户和IP多媒体子系统(IMS)用户建立呼叫后,在发送计费信息给IMS网络的过程中,使用所述IMS用户的用户号码作为Diameter消息路由的主关键字查找路由。 Diameter routing method of one kind, characterized by including: C a user network and an IP multimedia subsystem (IMS) user after the call is established, the process of sending the charging information to the IMS network, the IMS using the subscriber number as a Diameter primary key message routing of the routing.
  2. 2.如权利要求1所述的方法,其特征在于,所述使用IMS用户的用户号码作为Diameter消息路由的主关键字包括: 当C网用户呼叫IMS用户时,使用被叫号码作为Diameter消息路由的主关键字; 当IMS用户呼叫C网用户时,使用主叫号码作为Diameter消息路由的主关键字。 2. The method according to claim 1, characterized in that the IMS subscriber number used as the primary key Diameter routing message comprises: when the user calls the IMS network user C, using a Diameter message routing number as the called the primary key; C when the IMS network user calls the user, using the calling number as the primary key Diameter message routing.
  3. 3.如权利要求2所述的方法,其特征在于,所述方法还包括:媒体网关控制功能(MGCF)配置并保存IMS用户的用户号码与计费网关的映射关系; 当C网用户呼叫IMS用户时,所述使用IMS用户的用户号码作为Diameter消息路由的主关键字包括:所述MGCF提取被叫号码,使用所述被叫号码作为主关键字查找路由表,得到对应的计费网关,向所述计费网关发送计费请求消息,所述计费请求消息中携带被叫号码信息。 3. The method according to claim 2, characterized in that, said method further comprising: a Media Gateway Control Function (the MGCF) and save the mapping relationship configured IMS subscriber number and the charging gateway; C when the IMS network users call when a user, the IMS using the subscriber number as a primary key of routing a Diameter message comprises: extracting the MGCF called number, the called number is used as the primary key to the routing table to obtain the corresponding charging gateway, send a charging request message to the charging gateway, the charging request message carries the called number information.
  4. 4.如权利要求2所述的方法,其特征在于,所述方法还包括: MGCF配置并保存IMS用户的用户号码与计费网关的映射关系;当IMS用户呼叫C网用户时,所述使用IMS用户的用户号码作为Diameter消息路由的主关键字包括:MGCF提取主叫号码,使用所述主叫号码作为主关键字查找路由表,得到对应的计费网关,向所述计费网关发送计费请求消息,所述计费请求消息中携带主叫号码信息。 4. The method according to claim 2, wherein said method further comprises: MGCF configured and saved mapping relationship IMS subscriber number of the charging gateway; C when the IMS network user calls the user, the usage IMS subscriber number as the primary key comprises a Diameter message routing: MGCF extracting the calling number, using the calling number as the primary key to the routing table to obtain the corresponding charging gateway, the gateway transmits to the charging count fee request message, the charging request message carries the calling number.
  5. 5.如权利要求3或4所述的方法,其特征在于,所述方法还包括:所述计费网关接收到所述计费请求消息后,从所述计费请求消息中提取所述被叫号码和主叫号码,判断至少其中之一属于所述计费网关时,接收并处理所述计费请求消息。 5. The method of claim 3 or claim 4, characterized in that, said method further comprising: charging the charging gateway receiving the request message, extracts the message from the charging request is the called number and the calling number, wherein at least one of determining the billing gateway belongs, to receive and process the charging request message.
  6. 6. 一种Diameter路由系统,其特征在于,所述系统包括媒体网关控制功能(MGCF),用于在C网用户和IP多媒体子系统(IMS)用户建立呼叫后,在发送计费信息给IMS网络的过程中,使用IMS用户的用户号码作为Diameter消息路由的主关键字查找路由。 A Diameter routing system, wherein said system comprises a media gateway control function (the MGCF), C for the network users and an IP multimedia subsystem (IMS) user to establish a call, billing information sent to the IMS process network using IMS subscriber number as the primary key routes to the routing Diameter messages.
  7. 7.如权利要求6所述的系统,其特征在于,所述MGCF是用于:当C网用户呼叫IMS用户时,使用被叫号码作为Diameter消息路由的主关键字;当IMS用户呼叫C网用户时,使用主叫号码作为Diameter消息路由的主关键字。 7. The system according to claim 6, wherein the MGCF is configured to: when the user calls the IMS network user C using the called number as the primary key of a Diameter message routing; C when the IMS network calls a user when the user, using the calling number as the primary key Diameter message routing.
  8. 8.如权利要求7所述的系统,其特征在于,所述MGCF还用于配置并保存IMS用户的用户号码与计费网关的映射关系;以及,当C网用户呼叫IMS用户时,提取被叫号码,使用所述被叫号码作为主关键字查找路由表,得到对应的计费网关,向所述计费网关发送计费请求消息,所述计费请求消息中携带被叫号码信息。 8. The system according to claim 7, characterized in that, the MGCF further configured and saved for mapping between the subscriber number of the IMS charging gateway; and, when the IMS user C calls user network, extracts calling number, the called number is used as the primary key to the routing table to obtain the corresponding billing gateway, sending a charging request message to the charging gateway, the charging request message carries the called number information.
  9. 9.如权利要求7所述的系统,其特征在于,所述MGCF还用于配置并保存IMS用户的用户号码与计费网关的映射关系;以及,当IMS用户呼叫C网用户时,提取主叫号码,使用所述主叫号码作为主关键字查找路由表,得到对应的计费网关,向所述计费网关发送计费请求消息,所述计费请求消息中携带主叫号码信息。 9. The system according to claim 7, characterized in that, the MGCF further configured and saved for mapping between the subscriber number of the IMS charging gateway; and, when the IMS network user C calls user, the main extraction called number, using the calling number as the primary key to the routing table to obtain the corresponding billing gateway, sending a charging request message to the charging gateway, the charging request message carries the calling number.
  10. 10.如权利要求8或9所述的系统,其特征在于,所述系统还包括计费网关,所述计费网关用于接收到所述计费请求消息后,从所述计费请求消息中提取所述被叫号码和主叫号码,判断至少其中之一属于所述计费网关时,接收并处理所述计费请求消息。 10. The system of claim 8 or claim 9, characterized in that the system further comprises a charging gateway, the billing gateway for receiving the charging request message, the charging request message from when extracting the calling number and called number, wherein the at least one belonging to the determined charging gateway receives and processes the charging request message.
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