WO2013086652A1 - 地址信息处理方法、设备及*** - Google Patents
地址信息处理方法、设备及*** Download PDFInfo
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- WO2013086652A1 WO2013086652A1 PCT/CN2011/002092 CN2011002092W WO2013086652A1 WO 2013086652 A1 WO2013086652 A1 WO 2013086652A1 CN 2011002092 W CN2011002092 W CN 2011002092W WO 2013086652 A1 WO2013086652 A1 WO 2013086652A1
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- address
- terminal device
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- 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
- H04W8/08—Mobility data transfer
Definitions
- the present invention relates to information processing technologies, and in particular, to an address information processing method, device, and system. Background technique
- the Policy and Charging Control (PCC) architecture defined by the 3rd Generation Partnership Project (3GPP) can be mainly composed of Policy and Charging Enforcement Function (Policy and Charging Enforcement Function). , referred to as PCEF), policy and accounting rules, and the Application and Charging Rules Function (PCRF) and Application Function (AF).
- PCEF Policy and Charging Enforcement Function
- PCRF Application and Charging Rules Function
- AF Application Function
- the PCRF receives the session information of the application layer (for example, the signaling address or the media address of the terminal device), and generates a corresponding PCC rule according to the session information, and sends the PCC rule to the PCEF, which is executed by the PCEF. These PCC rules.
- the PCEF is located on the gateway device. In the IMS network, the AF is located on the Proxy-Call Session Control Function (P-CSCF).
- P-CSCF Proxy-Call Session Control Function
- the Session Border Controller is used to complete the topology hiding. That is, the address information of the core network side is hidden from the access network side, and the address information of the access network side is hidden for the core network side.
- the P-CSCF cannot obtain the signaling address or the media address of the real terminal device, and the P-CSCF cannot send the signaling address or media address of the real terminal device to the PCRF.
- the P-CSCF cannot control the PCRF to complete the PCC rule control function.
- the embodiment of the invention provides a method, a device and a system for processing address information, which are used to implement the P-CSCF to control the PCRF to complete the PCC rule control function.
- an address information processing method including: The SBC obtains the signaling address of the terminal device or the media address of the terminal device;
- the SBC sends the signaling address of the terminal device or the media address of the terminal device to the P-CSCF through a SIP message.
- Another aspect provides an address information processing apparatus, including:
- an obtaining unit configured to obtain a signaling address of the terminal device or a media address of the terminal device
- a processing unit configured to send, by using a SIP message, a signaling address of the terminal device or a media address of the terminal device to the P-CSCF.
- Another aspect provides an address information processing system, including:
- the SBC is configured to obtain a signaling address of the terminal device or a media address of the terminal device, and send a signaling address of the terminal device or a media address of the terminal device by using a SIP message;
- a P-CSCF configured to receive a signaling address of the terminal device sent by the SBC or a media address of the terminal device, to send a signaling address of the terminal device or a media address of the terminal device to the PCRF.
- the SBC after the SBC obtains the signaling address of the terminal device or the media address of the terminal device, the SBC sends the signaling address of the terminal device or the media address of the terminal device to the P-CSCF through the SIP message, which can be solved.
- the P-CSCF cannot obtain the problem of the signaling address or the media address of the real terminal device due to the deployment of the SBC, so that the P-CSCF can send the signaling address or media address of the real terminal device to the P-CSCF.
- PCRF thus enabling the P-CSCF to control the PCRF to complete the PCC rule control function.
- FIG. 1 is a schematic flowchart of a method for processing address information according to an embodiment of the present invention
- FIG. 2 is a schematic flowchart of a method for processing address information according to another embodiment of the present invention
- FIG. 3 is a schematic diagram of address information according to another embodiment of the present invention
- FIG. 4 is a schematic structural diagram of an address information processing system according to another embodiment of the present invention.
- FIG. 1 is a schematic flowchart of a method for processing address information according to an embodiment of the present invention. As shown in FIG. 1, the address information processing method in this embodiment may include:
- the SBC obtains a signaling address of the terminal device or a media address of the terminal device.
- the SBC can obtain the signaling address of the terminal device or the media address of the terminal device by providing an invitation (INVITE) message of the type.
- INVITE invitation
- the signaling address may be a signaling IP address, or may be a signaling IP address and a signaling port number; the media address may be a media IP address and a media port number.
- the SBC sends the signaling address of the terminal device or the media address of the terminal device to the P-CSCF through a Session Initiation Protocol (SIP) message.
- SIP Session Initiation Protocol
- the SBC may send the signaling address of the terminal device or the media address of the terminal device to the P-CSCF through the message header of the SIP message; or may send the terminal device to the P-CSCF through the message body of the SIP message.
- the signaling address or the media address of the terminal device is not limited in this embodiment.
- the message body of the SIP message is described by a Session Description Protocol (SDP) protocol.
- SDP Session Description Protocol
- the SBC can send the signaling address of the terminal device to the P-CSCF through the proxy access network information (P-Access-Network-Info) header field of the SIP message; for example: the SBC can pass the SDP body of the SIP message. Attribute parameter, sending the media address of the foregoing terminal device to the P-CSCF
- the SBC may send the signaling address of the terminal device or the media address of the terminal device to the P-CSCF by using the received SIP message from the terminal device, for example, after the SBC receives the SIP message from the terminal device.
- the signaling address of the terminal device in the routing (VIA) header field of the received SIP message may be modified according to the topology hiding scheme in the prior art, or the media address of the terminal device in the SDP body of the SIP message may be modified to Make the topology hidden and pass
- the topologically hidden SIP message is sent to the P-CSCF by the signaling address of the terminal device or the media address of the terminal device.
- the P-CSCF in this embodiment may further delete the signaling address of the terminal device or the media address of the terminal device in the SIP message, and then send the SIP message.
- the SBC after obtaining the signaling address of the terminal device or the media address of the terminal device, the SBC sends the signaling address of the terminal device or the media address of the terminal device to the P-CSCF through a SIP message, which can solve the present problem.
- the P-CSCF cannot obtain the signaling address or media address of the real terminal device due to the deployment of the SBC, so that the P-CSCF can send the signaling address or media address of the real terminal device to the PCRF.
- the P-CSCF can control the PCRF to complete the PCC rule control function.
- the technical solution of the present invention can be applied to various communication systems, for example, a General Packet Radio Service (GPRS) system, a Code Division Multiple Access (CDMA) system, and a wideband code division.
- GPRS General Packet Radio Service
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- LTE Long Term Evolution
- the gateway device may be a GPRS system, a CDMA system, or a WCDMA system, a General Packet Radio Service (GPRS) support node (Gateway GPRS Supporting Node, GGSN for short), or a packet in the LTE system. Packet Data Network Gateway (P-GW).
- GPRS General Packet Radio Service
- GGSN General Packet Radio Service Supporting Node
- P-GW Packet Data Network Gateway
- FIG. 2 is a schematic flowchart of a method for processing address information according to another embodiment of the present invention.
- the address information processing method in this embodiment may include:
- the calling device (User Equipment, UE for short) sends a first-providing type of invitation message to the SBC by using a default bearer (UE) to call the called UE, and the calling party carries the calling party in the VIA header field.
- the message format of the above-mentioned first type of invitation message is as follows:
- the SBC sends an invitation message of the second type to the P-CSCF, where the VIA header field of the invite message carries the signaling IP address of the SBC to the core network side, and the P-Access-Network-lnfo header field carries the calling UE.
- the signaling IP address (for example, the ue-sipip parameter carries the signaling IP address of the calling UE), and the SDP body carries the media IP address of the SBC to the core network side (for example: the c attribute parameter carries the SBC to the core network side) Media IP address) and media port number (for example: m attribute parameter carries the media port number of the SBC to the core network side), media IP address of the calling UE (for example: a attribute parameter carries the media IP address of the calling UE) Media port number (for example: a attribute parameter carries the media port number of the calling UE);
- the SBC saves the signaling IP address of the calling UE carried in the VIA header field of the above-mentioned invitation message and the media IP address and media port number of the calling UE carried in the SDP body, and modifies the VIA header.
- the signaling IP address of the calling UE carried in the domain is the signaling IP address of the SBC to the core network side
- the media IP address and the media port number of the calling UE carried in the SDP body are SBC to the media on the core network side.
- IP address and media port number, and In the P-Access-Network-Info header field, the ue-sigip parameter of the booster port is used to carry the signaling IP address of the calling UE.
- the mediaport is used to carry the media IP address and the media port number of the calling UE, and sends the invitation message of the second providing type to the P-CSCF.
- the SBC may further add a ue-sigport parameter in the P-Access-Network-Info header field to carry the signaling port number of the calling UE.
- the message format of the above-mentioned second offer type of invitation message is as follows:
- INVITE tel +1 -212-555-2222 SIP/2.0
- the P-CSCF parses the signaling IP address of the calling UE from the P-Access-Network-Info header field, and saves the signaling IP address of the calling UE, and sets the signaling IP address of the calling UE from the P.
- -Access-Network-lnfo header field deletion, and mediation of the calling UE from the SDP body a physical IP address and a media port number, and save the media IP address and the media port number of the calling UE, and delete the media IP address and the media port number of the calling UE from the SDP body;
- the P-CSCF sends an invitation message of the third type of the request to the IMS core network, where the VIA header field of the invite message carries the signaling IP address of the SBC to the core network side, and the SDP body carries the media IP of the SBC to the core network side.
- the address for example, the c attribute parameter carries the media IP address of the SBC to the core network side
- the media port number for example, the m attribute parameter carries the media port number of the SBC to the core network side
- INVITE tel +1 -212-555-2222 SIP/2.0
- the IMS core network returns a response message of the first response type to the P-CSCF, to return a media negotiation result.
- the P-CSCF sends an authorization request to the PCRF.
- (Authentication-Authorization-Request, AAR for short) message the framed IP address (Framed-IP-Address) attribute value pair (AVP) of the AAR message carries the signaling IP address of the calling UE, and the media component description
- the AVP carries the media IP address and media port number of the calling UE;
- the PCRF is associated with the corresponding network protocol connection network (Internet Protocol Connect Access Network, IP-CAN) session according to the signaling IP address of the calling UE and the access network information obtained from the GGSN, and locates the corresponding GGSN;
- IP-CAN Internet Protocol Connect Access Network
- the PCRF sends a Re-Auth-Request (RAR) message to the GGSN, where the RAR message includes a Quality of Service (QoS) rule, a media IP address of the calling UE, and a media port number.
- RAR Re-Auth-Request
- QoS Quality of Service
- the PCRF makes policy decisions based on the obtained service QoS parameters and user subscription information, and provides authorized QoS.
- the GGSN matches the dedicated bearer according to the QoS rule.
- the GGSN does not match the dedicated bearer according to the QoS rule, a new dedicated bearer needs to be activated, and the bearer QoS information is allocated for the new dedicated bearer;
- the GGSN returns a Re-Auth-Answer (RAA) message to the PCRF.
- RAA Re-Auth-Answer
- the PCRF returns an Authentication-Authorization-Answer (AAA) message to the P-CSCF.
- AAA Authentication-Authorization-Answer
- the P-CSCF returns a response message of the second response type to the calling UE by using the SBC. For example: 183 messages, 200 OK messages, etc.
- the calling UE can talk to the called UE through a dedicated bearer.
- the SBC after obtaining the signaling address of the terminal device and the media address of the terminal device by using the invitation message of the first providing type, sends the signaling of the terminal device to the P-CSCF by using an invitation message of the second providing type.
- the address and the media address of the terminal device can solve the problem that the P-CSCF cannot obtain the signaling address or media address of the real terminal device due to the deployment of the SBC in the prior art, so that the P-CSCF can be authentic.
- the signaling address or the media address of the terminal device is sent to the PCRF, so that the P-CSCF can control the PCRF to complete the PCC rule control function.
- FIG. 3 is a schematic structural diagram of an address information processing device according to another embodiment of the present invention.
- the address information processing device of this embodiment may include an obtaining unit 31 and a processing unit 32.
- the obtaining unit 31 is configured to obtain a signaling address of the terminal device or a media address of the terminal device.
- the processing unit 32 is configured to send, by using a SIP message, the signaling address of the terminal device or the media address of the terminal device to the P-CSCF.
- the functions of the SBC in the embodiments corresponding to the foregoing FIG. 1 and FIG. 2 can be implemented by the address information processing device provided in this embodiment.
- the signaling address may be a signaling IP address, or may be a signaling IP address and a signaling port number; the media address may be a media IP address and a media port number.
- the processing unit 32 in this embodiment may send the signaling address of the terminal device or the media address of the terminal device to the P-CSCF through the message header of the SIP message; or may also pass the message body of the SIP message to the P
- the CSCF sends the signaling address of the terminal device or the media address of the terminal device, which is not limited in this embodiment.
- the processing unit sends the signaling address of the terminal device to the P-CSCF through the SIP message or the SIP message or the
- the media address of the terminal device can solve the problem that the P-CSCF cannot obtain the signaling address or the media address of the real terminal device due to the deployment of the SBC in the prior art, so that the P-CSCF can send the real terminal device information.
- the address or the media address is sent to the PCRF, so that the P-CSCF can control the PCRF to complete the PCC rule control function.
- FIG. 4 is a schematic structural diagram of an address information processing system according to another embodiment of the present invention.
- the address information processing system of this embodiment may include an SBC 41 and a P-CSCF 42.
- the SBC 41 is configured to obtain a signaling address of the terminal device or a media address of the terminal device, and pass the a SIP message, sending a signaling address of the terminal device or a media address of the terminal device;
- the P-CSCF 42 is configured to receive the signaling address of the terminal device or the media address of the terminal device sent by the SBC 41, so as to send the signaling address of the terminal device or the media address of the terminal device to the PCRF.
- the function of the SBC in the embodiment corresponding to the foregoing FIG. 1 and FIG. 2 can be implemented by the SBC 41 in the address information processing system provided in this embodiment.
- the functions of the P-CSCF in the embodiment corresponding to the foregoing FIG. 2 can be provided by the embodiment.
- the P-CSCF 42 is implemented in the address information processing system.
- the signaling address may be a signaling IP address, or may be a signaling IP address and a signaling port number; the media address may be a media IP address and a media port number.
- the SBC 41 in this embodiment may send the signaling address of the terminal device or the media address of the terminal device to the P-CSCF through the message header of the SIP message; or may also use the message body of the SIP message to the P-
- the CSCF sends the signaling address of the terminal device or the media address of the terminal device, which is not limited in this embodiment.
- the P-CSCF 42 in this embodiment may further delete the signaling address of the terminal device or the media address of the terminal device in the SIP message, and then send the SIP message.
- the SBC after obtaining the signaling address of the terminal device or the media address of the terminal device, the SBC sends the signaling address of the terminal device or the media address of the terminal device to the P-CSCF through a SIP message, which can solve the present problem.
- the P-CSCF cannot obtain the signaling address or media address of the real terminal device due to the deployment of the SBC, so that the P-CSCF can send the signaling address or media address of the real terminal device to the PCRF.
- the P-CSCF can control the PCRF to complete the PCC rule control function.
- the disclosed system, apparatus, and method may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
- Another point that is shown or discussed between each other The coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
- the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
- the above software functional units are stored in a storage medium and include a number of instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform some of the steps of the methods described in various embodiments of the present invention.
- the foregoing storage medium includes: a USB flash drive, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. Medium.
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Abstract
本发明提供一种地址信息处理方法、设备及***。本发明的SBC获得终端设备的信令地址或终端设备的媒体地址之后,通过SIP消息,向P-CSCF发送所述终端设备的信令地址或所述终端设备的媒体地址,能够解决现有技术中由于SBC的部署而导致的P-CSCF无法获得真实的终端设备的信令地址或媒体地址的问题,使得P-CSCF能够将真实的终端设备的信令地址或媒体地址下发给PCRF,从而实现了P-CSCF能够控制PCRF完成PCC规则控制功能。
Description
地址信息处理方法、 设备及***
技术领域
本发明涉及信息处理技术, 尤其涉及一种地址信息处理方法、 设备及系 统。 背景技术
第三代移动通信标准化伙伴项目 ( 3rd Generation Partnership Project, 简称 3GPP )定义的策略和计费控制 ( Policy and Charging Control, 简称 PCC ) 架构主要可以由策略和计费执行功能实体 (Policy and Charging Enforcement Function,简称 PCEF )、策略和计费规贝' J功能实体( Policy and Charging Rules Function , 简称 PCRF ) 和应用层功能实体 ( Application Function, 简称 AF )组成。 PCRF接收 AF动态提供的应用层的会话信息(例 如: 终端设备的信令地址或媒体地址等信息) , 根据该会话信息生成对应的 PCC规则, 并将该 PCC规则下发给 PCEF, 由 PCEF执行这些 PCC规则。 其中, PCEF位于网关设备上; 在 IMS网络中, AF位于代理呼叫会话控制 功能实体( Proxy-Call Session Control Function, 简称 P-CSCF )上; 在网 关设备与 P-CSCF之间,还可以进一步部署会话边界控制器( Session Border Controller, 简称 SBC ) , 用以完成拓朴隐藏, 即对接入网侧隐藏核心网侧 的地址信息, 对核心网侧隐藏接入网侧的地址信息。
然而, 由于 SBC的部署, 使得 P-CSCF无法获得真实的终端设备的信 令地址或媒体地址, 进而使得 P-CSCF无法将真实的终端设备的信令地址或 媒体地址下发给 PCRF, 从而导致了 P-CSCF无法控制 PCRF完成 PCC规 则控制功能。 发明内容
本发明实施例提供一种地址信息处理方法、 设备及***, 用以实现 P-CSCF能够控制 PCRF完成 PCC规则控制功能。
一方面提供了一种地址信息处理方法, 包括:
SBC获得终端设备的信令地址或终端设备的媒体地址;
所述 SBC通过 SIP消息, 向 P-CSCF发送所述终端设备的信令地址或 所述终端设备的媒体地址。
另一方面提供了一种地址信息处理设备, 包括:
获得单元, 用于获得终端设备的信令地址或终端设备的媒体地址; 处理单元, 用于通过 SIP消息, 向 P-CSCF发送所述终端设备的信令地 址或所述终端设备的媒体地址。
另一方面提供了一种地址信息处理***, 包括:
SBC,用于获得终端设备的信令地址或终端设备的媒体地址,并通过 SIP 消息, 发送所述终端设备的信令地址或所述终端设备的媒体地址;
P-CSCF, 用于接收所述 SBC发送的所述终端设备的信令地址或所述终 端设备的媒体地址, 以便向 PCRF发送所述终端设备的信令地址或所述终端 设备的媒体地址。
由上述技术方案可知, SBC获得终端设备的信令地址或终端设备的媒体 地址之后, 通过 SIP消息, 向 P-CSCF发送所述终端设备的信令地址或所述 终端设备的媒体地址, 能够解决现有技术中由于 SBC 的部署而导致的 P-CSCF 无法获得真实的终端设备的信令地址或媒体地址的问题, 使得 P-CSCF能够将真实的终端设备的信令地址或媒体地址下发给 PCRF, 从而 实现了 P-CSCF能够控制 PCRF完成 PCC规则控制功能。 附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对实 施例或现有技术描述中所需要使用的附图作一简单地介绍, 显而易见地, 下 面描述中的附图是本发明的一些实施例, 对于本领域普通技术人员来讲, 在 不付出创造性劳动性的前提下, 还可以根据这些附图获得其他的附图。
图 1为本发明一实施例提供的地址信息处理方法的流程示意图; 图 2为本发明另一实施例提供的地址信息处理方法的流程示意图; 图 3为本发明另一实施例提供的地址信息处理设备的结构示意图; 图 4为本发明另一实施例提供的地址信息处理***的结构示意图。
具体实施方式 为使本发明实施例的目的、 技术方案和优点更加清楚, 下面将结合本发 明实施例中的附图, 对本发明实施例中的技术方案进行清楚、 完整地描述, 显然, 所描述的实施例是本发明一部分实施例, 而不是全部的实施例。 基于 本发明中的实施例, 本领域普通技术人员在没有作出创造性劳动前提下所获 得的所有其他实施例, 都属于本发明保护的范围。
图 1 为本发明一实施例提供的地址信息处理方法的流程示意图, 如图 1 所示, 本实施例的地址信息处理方法可以包括:
101、 SBC获得终端设备的信令地址或终端设备的媒体地址;
例如: SBC可以通过提供 ( offer )类型的邀请 ( INVITE )消息, 获得终 端设备的信令地址或终端设备的媒体地址。
其中, 信令地址可以为信令 IP地址, 或者还可以为信令 IP地址和信令 端口号; 媒体地址可以为媒体 IP地址和媒体端口号。
102、 上述 SBC通过会话初始化协议( Session Initiation Protocol, 简 称 SIP ) 消息, 向 P-CSCF发送上述终端设备的信令地址或上述终端设备的 媒体地址。
例如: SBC可以通过 SIP消息的消息头, 向 P-CSCF发送上述终端设备 的信令地址或上述终端设备的媒体地址;或者还可以通过 SIP消息的消息体, 向 P-CSCF发送上述终端设备的信令地址或上述终端设备的媒体地址, 本实 施例对此不进行限定。其中, SIP消息的消息体是通过会话描述协议( Session Description Protocol, 简称 SDP )协议描述的。
例 如 : SBC 可 以 通 过 SIP 消 息 的 代理接入 网 信 息 ( P-Access-Network-lnfo )头域,向 P-CSCF发送上述终端设备的信令地址; 再例如: SBC可以通过 SIP消息的 SDP体的属性参数, 向 P-CSCF发送上 述终端设备的媒体地址
可选地, SBC可以通过接收到的来自终端设备的 SIP消息, 向 P-CSCF 发送上述终端设备的信令地址或上述终端设备的媒体地址, 例如: SBC接收 到来自终端设备的 SIP消息之后, 可以按照现有技术中的拓朴隐藏方案, 修 改接收到的 SIP 消息的路由 (VIA ) 头域中的终端设备的信令地址, 或者修 改 SIP消息的 SDP体中的终端设备的媒体地址, 以进行拓朴隐藏,并通过进
行拓朴隐藏的 SIP消息, 将上述终端设备的信令地址或上述终端设备的媒体 地址发送给 P-CSCF。
进一步地, 本实施例中的上述 P-CSCF接收到上述 SIP消息之后, 还可 以进一步将上述 SIP消息中的上述终端设备的信令地址或上述终端设备的媒 体地址删除, 再发送上述 SIP消息。
本实施例中 , SBC获得终端设备的信令地址或终端设备的媒体地址之后 , 通过 SIP消息, 向 P-CSCF发送所述终端设备的信令地址或所述终端设备的 媒体地址, 能够解决现有技术中由于 SBC的部署而导致的 P-CSCF无法获 得真实的终端设备的信令地址或媒体地址的问题, 使得 P-CSCF能够将真实 的终端设备的信令地址或媒体地址下发给 PCRF, 从而实现了 P-CSCF能够 控制 PCRF完成 PCC规则控制功能。
本发明的技术方案, 可以应用于各种通信***, 例如: 通用分组无线业 务(General Packet Radio Service, 简称 GPRS ) ***、 码分多址(Code Division Multiple Access,简称 CDMA )***、宽带码分多址( Wideband Code Division Multiple Access, 简称 WCDMA ) ***、 长期演进(Long Term Evolution , 简称 LTE ) ***等。
其中, 网关设备可以为 GPRS***、 CDMA***或 WCDMA***中的 网关通用分组无线服务(General Packet Radio Service, 简称 GPRS )支持 节点( Gateway GPRS Supporting Node, 简称 GGSN ) , 还可以为 LTE系 统中的分组数据网络网关( Packet Data Network Gateway, 简称 P-GW ) 。
为使得本发明实施例提供的方法更加清楚, 下面将以 WCDMA***作为 举例。 图 2为本发明另一实施例提供的地址信息处理方法的流程示意图, 如 图 2所示, 本实施例的地址信息处理方法可以包括:
201、主叫用户设备(User Equipment,简称 UE )通过缺省承载( Default Bearer ) 向 SBC发送第一提供类型的邀请消息, 用以呼叫被叫 UE, 该邀请 消息的 VIA头域中携带主叫 UE的信令 IP地址, SDP体中携带主叫 UE的媒 体 IP地址(例如: c属性参数携带主叫 UE的媒体 IP地址)和媒体端口号(例 如: m属性参数携带主叫 UE的媒体端口号) ;
例如: 上述第一提供类型的邀请消息的消息格式如下:
INVITE tel:+1 -212-555-2222 SIP/2.0
Via: SIP/2.0/UDP 1.1.1.1 :5060;branch=z9hG4bKnashds7 Max-Forwards: 70
P-Access-Network-lnfo: 3GPP-UTRAN-TDD; utran-cell-id-3gpp=234151 D0FCE11
From: <sip:user1_public1 @home1.net>;tag=171828
To: <tel:+1-212-555-2222>
Call-ID: Cb03a0s09a2sdfglkj490333
Contact: <sip:1.1.1.1 :5060 >
Content-Type: application/sdp
Content-Length: 50 v=0
o=ecsreid 3262464865 3262464868 IN IP4 1.1.1.1
s=- c= IN IP4 1.1.1.1
m=audio 50230 RTP/AVP 0
a=recvonly
202、 SBC向 P-CSCF发送第二提供类型的邀请消息,该邀请消息的 VIA 头域中携带 SBC对核心网侧的信令 IP地址, P-Access-Network-lnfo头域中 携带主叫 UE的信令 IP地址(例如: ue-sipip参数携带主叫 UE的信令 IP地 址 ) , SDP体中携带 SBC对核心网侧的媒体 IP地址(例如: c属性参数携 带 SBC对核心网侧的的媒体 IP地址)和媒体端口号 (例如: m属性参数携 带 SBC对核心网侧的的媒体端口号) 、 主叫 UE的媒体 IP地址(例如: a 属性参数携带主叫 UE的媒体 IP地址 )和媒体端口号 (例如: a属性参数携 带主叫 UE的媒体端口号) ;
例如: SBC接收到上述邀请消息之后, 保存上述邀请消息的 VIA头域中 携带的主叫 UE的信令 IP地址和 SDP体中携带的主叫 UE的媒体 IP地址和 媒体端口号, 修改 VIA头域中携带的主叫 UE的信令 IP地址为 SBC对核心 网侧的信令 IP地址, 以及修改 SDP体中携带的主叫 UE的媒体 IP地址和媒 体端口号为 SBC 对核心网侧的媒体 IP 地址和媒体端口号, 并在
P-Access-Network-lnfo头域中增力口 ue-sigip参数, 用以携带主叫 UE的信令 IP地址, 在 SDP体中增力口属生参数 a=ue-media和 a=ue-mediaport, 分另' J 用以携带主叫 UE的媒体 IP地址和媒体端口号, 并将上述第二提供类型的邀 请消息发送给 P-CSCF。
可选地, SBC 还可以进一步在 P-Access-Network-lnfo 头域中增加 ue-sigport参数, 用以携带主叫 UE的信令端口号。
例如: 上述第二提供类型的邀请消息的消息格式如下:
INVITE tel:+1 -212-555-2222 SIP/2.0
Via: SIP/2.0/UDP 3.3.3.3:5060;branch=z9hG4bKnashds7
Max-Forwards: 70
P-Access-Network-lnfo: 3GPP-UTRAN-TDD; utran-cell-id-3gpp=234151 D0FCE1 1; ue-sigip=1.1.1.1;ue-sigport=5060,
From: <sip:user1_public1 @home1.net>;tag=171828
To: <tel:+1 -212-555-2222>
Call-ID: Cb03a0s09a2sdfglkj490333
Contact: <sip:1 .1.1 .1 :5060 >
Content-Type: application/sdp
Content-Length: 50 v=0
o=ecsreid 3262464865 3262464868 IN IP4 1.1 .1.1
s=- c= IN IP4 3.3.3.3
m=audio 1234 RTP/AVP 0
a=recvonly
a=ue-mediaip:1.1.1.1
a=ue-mediaport: 20230
203、 P-CSCF从 P-Access-Network-lnfo头域中解析出主叫 UE的信令 IP地址, 并保存主叫 UE的信令 IP地址, 将上述主叫 UE的信令 IP地址从 P-Access-Network-lnfo头域中删除, 以及从 SDP体中解析出主叫 UE的媒
体 IP地址和媒体端口号, 并保存主叫 UE的媒体 IP地址和媒体端口号, 将 上述主叫 UE的媒体 IP地址和媒体端口号从 SDP体中删除;
204、 P-CSCF向 IMS核心网发送第三提供类型的邀请消息, 该邀请消 息的 VIA头域中携带 SBC对核心网侧的信令 IP地址, SDP体中携带 SBC 对核心网侧的媒体 IP地址(例如: c属性参数携带 SBC对核心网侧的的媒 体 IP地址)和媒体端口号 (例如: m属性参数携带 SBC对核心网侧的的媒 体端口号) ;
例如: 上述第三提供类型的邀请消息的消息格式如下:
INVITE tel:+1 -212-555-2222 SIP/2.0
Via: SIP/2.0/UDP 3.3.3.3:5060;branch=z9hG4bKnashds7
Max-Forwards: 70
P-Access-Network-lnfo: 3GPP-UTRAN-TDD; utran-cell-id-3gpp=234151 D0FCE1 1;
From: <sip:user1_public1 @home1.net>;tag=171828
To: <tel:+1-212-555-2222>
Call-ID: Cb03a0s09a2sdfglkj490333
Contact: <sip:1.1.1.1 :5060 >
Content-Type: application/sdp
Content-Length: 50 v=0
o=ecsreid 3262464865 3262464868 IN IP4 1.1.1.1
s=- c= IN IP4 3.3.3.3
m=audio 1234 RTP/AVP 0
a=recvonly
205、 IMS核心网向 P-CSCF返回第一应答类型的响应消息, 用以返回 媒体协商结果;
例如: 183消息、 200OK消息等。
206 、 P-CSCF 向 PCRF 发 送 授 权 请 求
( Authentication-Authorization-Request, 简称 AAR )消息, 该 AAR消息的 帧 IP地址( Framed-IP-Address )属性值对( Attribute Value Pair,简称 AVP ) 中 携 带 主 叫 UE 的 信 令 IP 地 址 , 媒 体 成 分 描 述
( Media-Component-Description ) AVP中携带主叫 UE的媒体 IP地址和媒 体端口号;
207、 PCRF根据主叫 UE的信令 IP地址和之前从 GGSN获得的接入网 信息关联到相应的网络协议连接接人网 ( Internet Protocol Connect Access Network, 简称 IP-CAN )会话, 并定位到对应的 GGSN;
208、 PCRF向 GGSN发送重授权请求( Re-Auth-Request, 简称 RAR ) 消息, 该 RAR消息中包含服务质量(Quality of Service, 简称 QoS )规则、 主叫 UE的媒体 IP地址和媒体端口号;
PCRF根据获得的业务 QoS参数和用户订阅信息进行策略决策,提供授 权的 QoS。
209、 GGSN根据 QoS规则匹配专有承载;
可选地, 如果 GGSN根据 QoS规则, 没有匹配到专有承载, 则需要激 活一个新的专用承载, 并为该新的专用承载分配承载 QoS信息;
210、 GGSN向 PCRF返回重授权应答( Re-Auth-Answer, 简称 RAA ) 消息;
21 1、 PCRF向 P-CSCF返回授权应答 ( Authentication-Authorization- Answer, 简称 AAA ) 消息;
212、 P-CSCF通过 SBC向主叫 UE返回第二应答类型的响应消息。 例如: 183消息、 200OK消息等。
至此, 主叫 UE能够通过专用承载, 与被叫 UE进行通话。
本实施例中, SBC通过第一提供类型的邀请消息获得终端设备的信令地 址和终端设备的媒体地址之后, 通过第二提供类型的邀请消息, 向 P-CSCF 发送所述终端设备的信令地址和所述终端设备的媒体地址, 能够解决现有技 术中由于 SBC的部署而导致的 P-CSCF无法获得真实的终端设备的信令地 址或媒体地址的问题, 使得 P-CSCF能够将真实的终端设备的信令地址或媒 体地址下发给 PCRF, 从而实现了 P-CSCF能够控制 PCRF完成 PCC规则 控制功能。
需要说明的是: 对于前述的各方法实施例, 为了简单描述, 故将其都表 述为一系列的动作组合, 但是本领域技术人员应该知悉, 本发明并不受所描 述的动作顺序的限制, 因为依据本发明, 某些步骤可以采用其他顺序或者同 时进行。 其次, 本领域技术人员也应该知悉, 说明书中所描述的实施例均属 于优选实施例, 所涉及的动作和模块并不一定是本发明所必须的。
在上述实施例中, 对各个实施例的描述都各有侧重, 某个实施例中没有 详述的部分, 可以参见其他实施例的相关描述。
图 3为本发明另一实施例提供的地址信息处理设备的结构示意图, 如图 3所示, 本实施例的地址信息处理设备可以包括获得单元 31和处理单元 32。 其中, 获得单元 31用于获得终端设备的信令地址或终端设备的媒体地址; 处 理单元 32用于通过 SIP消息, 向 P-CSCF发送上述终端设备的信令地址或 上述终端设备的媒体地址。
上述图 1和图 2对应的实施例中 SBC的功能均可以由本实施例提供的地 址信息处理设备实现。
其中, 信令地址可以为信令 IP地址, 或者还可以为信令 IP地址和信令 端口号; 媒体地址可以为媒体 IP地址和媒体端口号。
例如:本实施例中的处理单元 32可以通过 SIP消息的消息头,向 P-CSCF 发送上述终端设备的信令地址或上述终端设备的媒体地址; 或者还可以通过 SIP消息的消息体, 向 P-CSCF发送上述终端设备的信令地址或上述终端设 备的媒体地址, 本实施例对此不进行限定。
本实施例中, 地址信息处理设备通过获得单元获得终端设备的信令地址 或终端设备的媒体地址之后, 由处理单元通过 SIP消息, 向 P-CSCF发送所 述终端设备的信令地址或所述终端设备的媒体地址, 能够解决现有技术中由 于 SBC的部署而导致的 P-CSCF无法获得真实的终端设备的信令地址或媒 体地址的问题, 使得 P-CSCF能够将真实的终端设备的信令地址或媒体地址 下发给 PCRF, 从而实现了 P-CSCF能够控制 PCRF完成 PCC规则控制功 能。
图 4为本发明另一实施例提供的地址信息处理***的结构示意图, 如图 4所示, 本实施例的地址信息处理***可以包括 SBC 41和 P-CSCF 42。 其 中, SBC 41 用于获得终端设备的信令地址或终端设备的媒体地址, 并通过
SIP 消息, 发送上述终端设备的信令地址或上述终端设备的媒体地址;
P-CSCF 42用于接收 SBC 41发送的上述终端设备的信令地址或上述终端设 备的媒体地址, 以便向 PCRF发送上述终端设备的信令地址或上述终端设备 的媒体地址。
上述图 1和图 2对应的实施例中 SBC的功能均可以由本实施例提供的地 址信息处理***中 SBC 41实现; 上述图 2对应的实施例中 P-CSCF的功能 均可以由本实施例提供的地址信息处理***中 P-CSCF 42实现。
其中, 信令地址可以为信令 IP地址, 或者还可以为信令 IP地址和信令 端口号; 媒体地址可以为媒体 IP地址和媒体端口号。
例如: 本实施例中的 SBC 41可以通过 SIP消息的消息头, 向 P-CSCF 发送上述终端设备的信令地址或上述终端设备的媒体地址; 或者还可以通过 SIP消息的消息体, 向 P-CSCF发送上述终端设备的信令地址或上述终端设 备的媒体地址, 本实施例对此不进行限定。
进一步地, 本实施例中的 P-CSCF 42接收到上述 SIP消息之后, 还可 以进一步将上述 SIP消息中的上述终端设备的信令地址或上述终端设备的媒 体地址删除, 再发送上述 SIP消息。
本实施例中 , SBC获得终端设备的信令地址或终端设备的媒体地址之后 , 通过 SIP消息, 向 P-CSCF发送所述终端设备的信令地址或所述终端设备的 媒体地址, 能够解决现有技术中由于 SBC的部署而导致的 P-CSCF无法获 得真实的终端设备的信令地址或媒体地址的问题, 使得 P-CSCF能够将真实 的终端设备的信令地址或媒体地址下发给 PCRF, 从而实现了 P-CSCF能够 控制 PCRF完成 PCC规则控制功能。
所属领域的技术人员可以清楚地了解到, 为描述的方便和简洁, 上述描 述的***, 装置和单元的具体工作过程, 可以参考前述方法实施例中的对应 过程, 在此不再赘述。
在本申请所提供的几个实施例中, 应该理解到, 所揭露的***, 装置和 方法, 可以通过其它的方式实现。 例如, 以上所描述的装置实施例仅仅是示 意性的, 例如, 所述单元的划分, 仅仅为一种逻辑功能划分, 实际实现时可 以有另外的划分方式, 例如多个单元或组件可以结合或者可以集成到另一个 ***, 或一些特征可以忽略, 或不执行。 另一点, 所显示或讨论的相互之间
的耦合或直接耦合或通信连接可以是通过一些接口, 装置或单元的间接耦合 或通信连接, 可以是电性, 机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的, 作 为单元显示的部件可以是或者也可以不是物理单元, 即可以位于一个地方, 或者也可以分布到多个网络单元上。 可以根据实际的需要选择其中的部分或 者全部单元来实现本实施例方案的目的。
另外 ,在本发明各个实施例中的各功能单元可以集成在一个处理单元中 , 也可以是各个单元单独物理存在, 也可以两个或两个以上单元集成在一个单 元中。 上述集成的单元既可以采用硬件的形式实现, 也可以采用硬件加软件 功能单元的形式实现。
上述以软件功能单元的形式实现的集成的单元, 可以存储在一个计算机 可读取存储介质中。 上述软件功能单元存储在一个存储介质中, 包括若干指 令用以使得一台计算机设备(可以是个人计算机, 服务器, 或者网络设备等) 执行本发明各个实施例所述方法的部分步骤。 而前述的存储介质包括: U盘、 移动硬盘、 只读存储器(Read-Only Memory, 简称 ROM ) 、 随机存取存储 器( Random Access Memory, 简称 RAM )、 磁碟或者光盘等各种可以存储 程序代码的介质。
最后应说明的是: 以上实施例仅用以说明本发明的技术方案, 而非对其 限制; 尽管参照前述实施例对本发明进行了详细的说明, 本领域的普通技术 人员应当理解: 其依然可以对前述各实施例所记载的技术方案进行修改, 或 者对其中部分技术特征进行等同替换; 而这些修改或者替换, 并不使相应技 术方案的本质脱离本发明各实施例技术方案的精神和范围。
Claims
1、 一种地址信息处理方法, 其特征在于, 包括:
会话边界控制器 SBC获得终端设备的信令地址或终端设备的媒体地址; 所述 SBC 通过会话初始化协议 SIP 消息, 向代理呼叫会话控制功能 P-CSCF实体发送所述终端设备的信令地址或所述终端设备的媒体地址。
2、 根据权利要求 1所述的方法, 其特征在于, 所述 SBC通过 SIP消息 向 P-CSCF实体发送所述终端设备的信令地址或所述终端设备的媒体地址, 包括:
所述 SBC通过 SIP消息的消息头或消息体, 向 P-CSCF发送所述终端 设备的信令地址或所述终端设备的媒体地址。
3、 根据权利要求 1或 2所述的方法, 其特征在于, 所述方法还包括: 所述 P-CSCF将所述 SIP消息中的所述终端设备的信令地址或所述终端 设备的媒体地址删除, 再发送所述 SIP消息。
4、 一种地址信息处理设备, 其特征在于, 包括:
获得单元, 用于获得终端设备的信令地址或终端设备的媒体地址; 处理单元, 用于通过会话初始化协议 SIP消息, 向代理呼叫会话控制功 能 P-CSCF实体发送所述终端设备的信令地址或所述终端设备的媒体地址。
5、 根据权利要求 4所述的设备, 其特征在于, 所述处理单元具体用于 通过 SIP消息的消息头或消息体, 向 P-CSCF发送所述终端设备的信令 地址或所述终端设备的媒体地址。
6、 一种地址信息处理***, 其特征在于, 包括:
会话边界控制器 SBC, 用于获得终端设备的信令地址或终端设备的媒体 地址, 并通过会话初始化协议 SIP消息, 发送所述终端设备的信令地址或所 述终端设备的媒体地址;
代理呼叫会话控制功 P-CSCF实体, 用于接收所述 SBC发送的所述终 端设备的信令地址或所述终端设备的媒体地址 , 以便向策略和计费规则功能 PCRF实体发送所述终端设备的信令地址或所述终端设备的媒体地址。
7、 根据权利要求 6所述的***, 其特征在于, 所述 SBC具体用于 通过 SIP消息的消息头或消息体, 发送所述终端设备的信令地址或所述 终端设备的媒体地址。
8、 根据权利要求 6或 7所述的***, 其特征在于, 所述 P-CSCF还用 于
将所述 SIP消息中的所述终端设备的信令地址或所述终端设备的媒体地 址删除, 再发送所述 SIP消息。
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CN101547424A (zh) * | 2009-04-30 | 2009-09-30 | 华为技术有限公司 | 一种终端接入位置获取方法、装置和*** |
WO2010025772A1 (en) * | 2008-09-05 | 2010-03-11 | Telefonaktiebolaget Lm Ericsson (Publ) | End-to-end address transfer |
CN102075493A (zh) * | 2009-11-20 | 2011-05-25 | 中兴通讯股份有限公司 | 一种建立媒体会话的方法和*** |
CN102263786A (zh) * | 2011-07-04 | 2011-11-30 | 中兴通讯股份有限公司 | 一种实现承载资源控制功能的方法和*** |
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WO2010025772A1 (en) * | 2008-09-05 | 2010-03-11 | Telefonaktiebolaget Lm Ericsson (Publ) | End-to-end address transfer |
CN101547424A (zh) * | 2009-04-30 | 2009-09-30 | 华为技术有限公司 | 一种终端接入位置获取方法、装置和*** |
CN102075493A (zh) * | 2009-11-20 | 2011-05-25 | 中兴通讯股份有限公司 | 一种建立媒体会话的方法和*** |
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