WO2013082744A1 - Method and device for transmitting emergency call user location information to circuit switched network in ip multimedia subsystem network - Google Patents
Method and device for transmitting emergency call user location information to circuit switched network in ip multimedia subsystem network Download PDFInfo
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- WO2013082744A1 WO2013082744A1 PCT/CN2011/083484 CN2011083484W WO2013082744A1 WO 2013082744 A1 WO2013082744 A1 WO 2013082744A1 CN 2011083484 W CN2011083484 W CN 2011083484W WO 2013082744 A1 WO2013082744 A1 WO 2013082744A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/50—Connection management for emergency connections
Definitions
- the present invention relates to the field of communications, and in particular, to a method and apparatus for transmitting user location information to an CS network in an emergency call in an IMS network.
- the emergency call service refers to emergency special services such as fire alarm, police, medical emergency, traffic accident alarm, etc. provided to users on the telecommunication network.
- emergency call it is especially important to pass user location information.
- the public safety answering point can respond quickly according to the location information of the emergency call user, save time, and provide emergency assistance to the user in time and accurately.
- the 3GPP standard has specified the flow of emergency calls. Realize the delivery of emergency call user location information in the IMS network.
- the present invention provides a method and apparatus for transmitting user location information to an CS network in an emergency call in an IMS network. Summary of the invention
- the present invention provides a method and apparatus for transmitting emergency location information to a CS network in an IMS network to enable fast and accurate delivery of emergency call user location information to a public safety answering point of the CS network.
- a method for transmitting user location information to an CS network in an emergency call in an IMS network comprising: adding the user location information to a new Location-Information field of a header field of a SIP message;
- the SIP message carrying the location information of the user is sent to a public safety answering point of the CS network via a network element having an IMS network and a CS network interworking gateway function.
- a method for transmitting user location information to an CS network in an emergency call in an IMS network comprising: adding a network element with an IMS network and a CS network interworking gateway function from a header field of a SIP message
- the Location-Information field reads user location information
- a network element having the functions of an IMS network and a CS network interworking gateway including:
- a reading unit configured to read user location information from a newly added Location-Information field of a header field of the SIP message
- a processing unit configured to fill in the location information of the user to a location of a narrowband signaling IAM message Number cell
- a sending unit configured to send the narrowband signaling IAM message to a public safety answering point in the CS network.
- the method and device for transmitting the user location information to the CS network in the emergency call in the IMS network provided by the embodiment of the present invention, by adding the user location information to the unified field of the SIP message header field, and transmitting the information to the public safety answering point of the CS network,
- the public safety answering point of the CS network facilitates and quickly determines the location information of the user, thereby saving the emergency call processing time.
- FIG. 1 is a schematic flow chart of a first embodiment of the present invention
- FIG. 2 is a schematic flow chart of a second embodiment of the present invention.
- FIG. 3 is a schematic structural view of a device according to a third embodiment of the present invention.
- FIG. 4 is a schematic structural view of a device according to a fourth embodiment of the present invention.
- the user location information is added to the SIP message for delivery.
- the terminal obtains location information.
- the location information is carried by the access terminal. This method requires higher terminal requirements and needs to be unified across the entire network.
- the session border controller (hereinafter referred to as SBC) constructs terminal user location information.
- the terminal When the SBC is in the full proxy mode to access the IMS network, the terminal does not process the location information and is constructed by the SBC, such as the source IP address of the terminal or the access network information configured on the SBC as the user location information.
- the Proxy-call Session Control Function can be used to query the location connection according to the IP address of the terminal.
- the connectivity session location and repository function (hereinafter referred to as CLF) obtains the location information corresponding to the user.
- the user signs the fixed location information.
- the terminal location information can be recorded at the time of signing, and the emergency call session control function/monthly service call session control function
- E-CSCF/S-CSCF (Emergency-call Session Control Function/Serving - call Session Control Function, the following is called E-CSCF/S-CSCF.
- HSS Home Subscriber Server
- the user location information is obtained from the HSS during the call.
- the E-CSCF/S-CSCF obtains the user location information from the HSS.
- the foregoing method is a method for obtaining user location information in an IMS network, and other methods for obtaining user location information are also applicable to the embodiments of the present invention.
- the first embodiment of the present invention provides a method for transmitting user location information to a CS network in an emergency call in an IMS network. As shown in FIG. 1, the method includes the following steps: Step 101: Add the user location information to a header field of a SIP message.
- the newly added Location-Information field is located in a P-Access-Network-info header field of the SIP message.
- Step 102 Send a SIP message carrying the location information of the user to a public safety answering point of the CS network via a network element having an IMS network and a CS network interworking gateway function.
- the emergency call user location information is added to the unified field of the SIP message and sent from the IMS network to the public safety answering point of the CS network, so that the user location information can be conveniently determined, and the emergency call processing time is saved.
- a second embodiment of the present invention provides a method for transmitting user location information to a CS network in an emergency call in an IMS network. As shown in FIG. 2, the method includes:
- Step 201 The user initiates an emergency call to obtain user location information.
- Step 202 Add the obtained user location information to the newly added Location-Information field of the P-Access-Network-info header i of the SIP message.
- each field in the P-Access-Network-info header field of the SIP message is used to carry different user location information.
- a Location-Information field is added, and various types of user location information are added to the Location-Information field, so that the public safety answering point of the CS network can quickly and accurately determine the user location information.
- Step 203 Send a SIP message carrying the location information of the user to the network element having the function of the IMS network and the CS network interworking gateway.
- the SIP message carrying the user location information is sent to the network element having the function of the IMS network and the CS network interworking gateway, so that the emergency call carrying the user location information is transmitted to the public security answering point of the CS network.
- Step 204 The network element having the IMS network and the CS network interworking gateway function reads the user location information from the SIP message.
- the network element having the function of the IMS network and the CS network interworking gateway receives the SIP message carrying the location information of the emergency call user, from the P-Access-Network-info header field of the SIP message.
- Step 205 Fill in the user location information into the location number cell of the narrowband signaling IAM message.
- Step 206 Send a narrowband signaling IAM message to a public safety answering point of the CS network.
- Step 207 The CS network obtains the user location information of the emergency call user.
- the public safety answering point of the CS network can obtain the corresponding specific location information in the location information database by using the location information carried in the location number cell in the IAM message.
- the user initiates an emergency call on the IMS network, obtains user location information, and adds the user location information to the newly added Location-Information field of the SIP header header field. Sending a SIP message carrying the location information of the user to a network element having an IMS network and a CS network interworking gateway function.
- the network element having the IMS network and the CS network interworking gateway function After receiving the SIP message, the network element having the IMS network and the CS network interworking gateway function reads the user location information from the newly added Location-Information field of the new header field of the SIP message, and adds the user location information to the narrowband signaling IAM. Location number cell of the message, sent The narrowband signaling IAM message carrying the user location information is sent to the public safety answering point of the CS network, and the public safety answering point of the CS network can pass the location information carried in the location number cell in the IAM message after receiving the emergency call. In the location information database, the corresponding location information is obtained.
- the method provided by the embodiment of the present invention adds various types of user location information to the unified field of the SIP message header field, and sends the public security response point from the IMS network to the CS network, which can conveniently determine the user location information, thereby saving Emergency call processing time.
- a third embodiment of the present invention provides a network element having the functions of an IMS network and a CS network interworking gateway. As shown in FIG. 3, the network element includes a reading unit 301, a processing unit 302, and a sending unit 303.
- the reading unit 301 is configured to read the user location information from the newly added Location-Information field of the header field of the SIP message; the processing unit 302 is configured to fill the user location information into the location number cell of the narrowband signaling IAM message; The sending unit 303 is configured to send the narrowband signaling IAM message to a public safety answering point in the CS network.
- the reading unit 301 can read the user location information from the newly added Location-Information field in the P-Access-Network-info header field of the SIP message; the processing unit 302 will use the P-Access-Network-info header of the SIP message.
- the user location information read by the Location-Information field in the domain is filled in to the location number cell of the narrowband signaling IAM message; the sending unit 303 sends the narrowband signaling IAM message carrying the user location information to the public safety answering point in the CS network. .
- the reading unit 301 can be added from the header field of the SIP message.
- Location-Information field read user location information; the processing unit 302 fills in the user location information read from the Location-Information field in the newly added header field of the SIP message to the location number cell of the narrowband signaling IAM message; 303 sends the narrowband signaling IAM message carrying the user location information to a public safety answering point in the CS network.
- the embodiment of the present invention receives the SIP message carrying the emergency call user location information sent by the IMS network, reads the user location information from a unified field of the SIP message header field, and transmits the location information to the public security response point of the CS network, thereby conveniently determining the user location. , saving emergency call processing time.
- the receiving 401 is configured to receive a SIP message of the user location information of the emergency call that is sent by the IMS network.
- the functions of the reading unit 402, the processing unit 403, and the transmitting unit 404 are the same as the reading unit 301, the processing unit 302, and the transmitting unit 303 in the third embodiment of the present invention.
- the network element with the function of the IMS network and the CS network interworking gateway provided by the embodiment of the present invention can read the user location information of the emergency call user from the unified field of the header field of the SIP message and convert the user location information into the CS network.
- the transmission of the user location information from the IMS network to the CS network in the emergency call facilitates the public safety answering point of the CS network to obtain the user location information, thereby saving the emergency call processing time.
- the disclosed systems, devices, and methods can be implemented in other ways.
- 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.
- the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
- 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 a software functional unit. Formal realization.
- the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
- the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
- a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
- the foregoing storage medium includes: a U disk, 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. .
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Abstract
The present invention provides a method and device for transmitting emergency call user location information to a Circuit Switched (CS) network in an IP Multimedia Subsystem (IMS) network. The method comprises the following steps: adding the user location information to a newly added Location-Information field of the header field of a Session Initiation Protocol (SIP) message, and sending the SIP message carrying the user location information to the public safety answering point of the CS network through a network element having IMS network and CS network intercommunication gateway functionality. The present invention adds the user location information to a unified field of the SIP message header field and sends the SIP message to the public safety answering point of the CS network, thus being helpful for determining the user location information for the public safety answering point of the CS network, and saving the emergency call processing time.
Description
说 书 Book
一种 IMS网络中紧急呼叫传送用户位置信息到 CS网络的方法、 装置 技术领域 Method and device for transmitting user location information to CS network in emergency call in IMS network
本发明涉及通信领域, 尤其涉及一种 IMS 网络中紧急呼叫传送用户位置 信息到 CS网络的方法、 装置。 The present invention relates to the field of communications, and in particular, to a method and apparatus for transmitting user location information to an CS network in an emergency call in an IMS network.
背景技术 Background technique
紧急呼叫业务是指在电信网上为用户提供的火警、 匪警、 医疗急救、 交通 事故报警等紧急特种业务。 在紧急呼叫中, 传递用户位置信息显得尤为重要。 公共安全应答点根据紧急呼叫用户的位置信息可以迅速做出反应, 节省时间, 及时、 准确为用户提供紧急求助。 The emergency call service refers to emergency special services such as fire alarm, police, medical emergency, traffic accident alarm, etc. provided to users on the telecommunication network. In an emergency call, it is especially important to pass user location information. The public safety answering point can respond quickly according to the location information of the emergency call user, save time, and provide emergency assistance to the user in time and accurately.
针对 IP多媒体子***( IP Multimedia Subsystem, 以下筒称 IMS ) 网络, 3GPP标准已经规定了紧急呼叫的流程。 实现 IMS网络中紧急呼叫用户位置信 息的传递。 For the IP Multimedia Subsystem (IMS) network, the 3GPP standard has specified the flow of emergency calls. Realize the delivery of emergency call user location information in the IMS network.
本发明人发现, 当前 IMS 网络的紧急呼叫流程中, 协议对不同的接入方 式及位置信息表达各不相同,因此在公共安全应答点也需要做大量的工作针对 不同接入方式进行适配。 这种情况浪费了紧急呼叫处理时间。 因此本发明提供 了一种 IMS网络中紧急呼叫传送用户位置信息到 CS网络的方法、 装置。 发明内容 The inventors have found that in the emergency call flow of the current IMS network, the protocol expresses different access modes and location information, so a large amount of work needs to be done at the public safety answering point to adapt to different access modes. This situation wastes emergency call processing time. Therefore, the present invention provides a method and apparatus for transmitting user location information to an CS network in an emergency call in an IMS network. Summary of the invention
在下文中给出了关于本发明的筒要概述,以便提供关于本发明的某些方面 的基本理解。 应当理解, 这个概述并不是关于本发明的穷举性概述。 它并不是
意图确定本发明的关键或重要部分,也不是意图限定本发明的范围。其目的仅 仅是以筒化的形式给出某些概念, 以此作为稍后论述的更详细描述的前序。 An overview of the cartridges of the present invention is given below in order to provide a basic understanding of certain aspects of the invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not It is intended to identify key or critical aspects of the invention and is not intended to limit the scope of the invention. Its purpose is to present some concepts in the form of a singular, as a pre-sequence of the more detailed description discussed later.
本发明提供了一种 IMS网络中紧急呼叫传送用户位置信息到 CS网络的方 法、 装置, 以实现紧急呼叫用户位置信息快速、 准确传递到 CS网络的公共安 全应答点。 The present invention provides a method and apparatus for transmitting emergency location information to a CS network in an IMS network to enable fast and accurate delivery of emergency call user location information to a public safety answering point of the CS network.
一种 IMS网络中紧急呼叫传送用户位置信息到 CS网络的方法, 包括: 将所述用户位置信息添加到 SIP消息的头域的新增 Location-Information 字段; A method for transmitting user location information to an CS network in an emergency call in an IMS network, comprising: adding the user location information to a new Location-Information field of a header field of a SIP message;
发送携带所述用户位置信息的 SIP消息经具有 IMS网络和 CS网络互通网 关功能的网元到所述 CS网络的公共安全应答点。 The SIP message carrying the location information of the user is sent to a public safety answering point of the CS network via a network element having an IMS network and a CS network interworking gateway function.
一种 IMS网络中紧急呼叫传送用户位置信息到 CS网络的方法, 包括: 具有 IMS网络和 CS网络互通网关功能的网元从 SIP消息的头域的新增 A method for transmitting user location information to an CS network in an emergency call in an IMS network, comprising: adding a network element with an IMS network and a CS network interworking gateway function from a header field of a SIP message
Location-Information字段读取用户位置信息; The Location-Information field reads user location information;
将所述用户位置信息填写到窄带信令 IAM消息的 location number信元; 发送所述窄带信令 IAM消息至 CS网络的公共安全应答点。 Filling the user location information into a location number cell of a narrowband signaling IAM message; sending the narrowband signaling IAM message to a public safety answering point of the CS network.
一种具有 IMS网络和 CS网络互通网关功能的网元, 包括: A network element having the functions of an IMS network and a CS network interworking gateway, including:
读取单元,用于从 SIP消息的头域的新增 Location-Information字段读取用 户位置信息; a reading unit, configured to read user location information from a newly added Location-Information field of a header field of the SIP message;
处理单元,用于将所述用户位置信息填写到窄带信令 IAM消息的 location
number信元; a processing unit, configured to fill in the location information of the user to a location of a narrowband signaling IAM message Number cell;
发送单元, 用于发送所述窄带信令 IAM消息至 CS 网络中的公共安全应 答点。 And a sending unit, configured to send the narrowband signaling IAM message to a public safety answering point in the CS network.
本发明实施例提供的 IMS网络中紧急呼叫传送用户位置信息到 CS网络的 方法、 装置, 通过将用户位置信息添加到 SIP消息头域的统一字段中, 传递到 CS网络的公共安全应答点, 有利于 CS网络的公共安全应答点方便、 快速确 定用户位置信息, 节约了紧急呼叫处理时间。 The method and device for transmitting the user location information to the CS network in the emergency call in the IMS network provided by the embodiment of the present invention, by adding the user location information to the unified field of the SIP message header field, and transmitting the information to the public safety answering point of the CS network, The public safety answering point of the CS network facilitates and quickly determines the location information of the user, thereby saving the emergency call processing time.
附图说明 DRAWINGS
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所 使用的附图作一筒地介绍,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的前提下, 还可以 才艮据这些附图获得其他的附图。 In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be described below. It is obvious that the drawings in the following description are some embodiments of the present invention, Those skilled in the art will be able to obtain other drawings based on these drawings without any creative work.
图 1为本发明第一实施例流程示意图; 1 is a schematic flow chart of a first embodiment of the present invention;
图 2为本发明第二实施例流程示意图; 2 is a schematic flow chart of a second embodiment of the present invention;
图 3为本发明第三实施例装置结构示意图; 3 is a schematic structural view of a device according to a third embodiment of the present invention;
图 4为本发明第四实施例装置结构示意图。 4 is a schematic structural view of a device according to a fourth embodiment of the present invention.
具体实旄方式 Specific way
在下文中将结合附图对本发明的示范性实施例进行描述。为了清楚和筒明 起见, 在说明书中并未描述实际实施方式的所有特征。 然而, 应该了解, 在开
发任何这种实际实施例的过程中必须做出很多特定于实施方式的决定,以便实 现开发人员的具体目标, 并且这些决定可能会随着实施方式的不同而有所改 变。 Exemplary embodiments of the present invention will be described hereinafter with reference to the accompanying drawings. All features of an actual implementation are not described in the specification for clarity and clarity. However, it should be understood that Many implementation-specific decisions must be made in the course of any such actual embodiment in order to achieve the developer's specific goals, and these decisions may vary from implementation to implementation.
用户在 IMS网络中发起紧急呼叫时, 将用户位置信息添加到 SIP消息中 进行传递。 获取用户信息的方式有以下几种: When the user initiates an emergency call in the IMS network, the user location information is added to the SIP message for delivery. There are several ways to get user information:
(1) 终端获取位置信息。 由接入终端携带位置信息, 此方式对终端要求较 高, 且需要全网统一; (1) The terminal obtains location information. The location information is carried by the access terminal. This method requires higher terminal requirements and needs to be unified across the entire network.
(2)会话边界控制器( session Border Controller, 以下筒称 SBC )构造终端 用户位置信息。 (2) The session border controller (hereinafter referred to as SBC) constructs terminal user location information.
当 SBC做全代理模式接入 IMS网络的情况下, 终端不处理位置信息, 由 SBC统一构造,如终端源 IP地址或 SBC上配置的接入网信息作为用户位置信 息。 When the SBC is in the full proxy mode to access the IMS network, the terminal does not process the location information and is constructed by the SBC, such as the source IP address of the terminal or the access network information configured on the SBC as the user location information.
对方式一和方式二, 如果携带的用户位置信息是终端 IP地址, 可以由代 理呼叫会话控制功能( Proxy-call Session Control Function,以下筒称 P-CSCF ) 才艮据终端的 IP地址查询位置连接和存者功能 ( connectivity session location and repository function , 以下筒称 CLF )获取该用户对应的位置信息。 For mode 1 and mode 2, if the user location information carried is the terminal IP address, the Proxy-call Session Control Function (P-CSCF) can be used to query the location connection according to the IP address of the terminal. The connectivity session location and repository function (hereinafter referred to as CLF) obtains the location information corresponding to the user.
( 用户签约固定位置信息。 当用户终端位置固定情况下, 可以在签约时, 记录终端位置信息, 由紧急呼叫会话控制功能 /月良务呼叫会话控制功能 (The user signs the fixed location information. When the location of the user terminal is fixed, the terminal location information can be recorded at the time of signing, and the emergency call session control function/monthly service call session control function
( Emergency- call Session Control Function/Serving - call Session Control
Function, 以下筒称为 E-CSCF/S-CSCF )在注册时从归属用户服务器 ( Home Subscriber Server, 以下筒称为 HSS )获得固定网络用户的用户位置信息。 对 于未进行注册的呼叫用户, 则会在呼叫过程中从 HSS获得用户位置信息。 在 紧急呼叫过程中, 如果终端、 SBC或 P-CSCF都没有提供用户位置信息时, E-CSCF/S-CSCF从 HSS中获取用户位置信息。 上述方法为 IMS网络中通常获取用户位置信息的方法, 其他可以实现获 取用户位置信息的方法也适用于本发明实施例。 本发明第一实施例提供了 IMS网络中紧急呼叫传送用户位置信息到 CS网 络的方法, 如图 1所示, 包括: 步骤 101 : 将所述用户位置信息添加到 SIP消息的头域的新增 (Emergency-call Session Control Function/Serving - call Session Control Function, the following is called E-CSCF/S-CSCF. At the time of registration, the user location information of the fixed network user is obtained from the Home Subscriber Server (hereinafter referred to as HSS). For call users who are not registered, the user location information is obtained from the HSS during the call. During the emergency call, if the terminal, SBC or P-CSCF does not provide the user location information, the E-CSCF/S-CSCF obtains the user location information from the HSS. The foregoing method is a method for obtaining user location information in an IMS network, and other methods for obtaining user location information are also applicable to the embodiments of the present invention. The first embodiment of the present invention provides a method for transmitting user location information to a CS network in an emergency call in an IMS network. As shown in FIG. 1, the method includes the following steps: Step 101: Add the user location information to a header field of a SIP message.
Location-Information字段。 Location-Information field.
可选地, 所述新增 Location-Information 字段位于所述 SIP 消息的 P- Access-Network- info头域。 Optionally, the newly added Location-Information field is located in a P-Access-Network-info header field of the SIP message.
可选地,所述新增 Location-Information字段位于所述 SIP消息的新增头域。 步骤 102: 发送携带所述用户位置信息的 SIP消息经具有 IMS网络和 CS 网络互通网关功能的网元到所述 CS网络的公共安全应答点。 本发明实施例通过将紧急呼叫用户位置信息添加到 SIP消息的统一字段 从 IMS网络发送到 CS网络的公共安全应答点, 可以方便确定用户位置信息, 节约了紧急呼叫处理时间。
本发明第二实施例提供了一种 IMS网络中紧急呼叫传送用户位置信息到 CS网络的方法, 如图 2所示, 包括: Optionally, the newly added Location-Information field is located in a new header field of the SIP message. Step 102: Send a SIP message carrying the location information of the user to a public safety answering point of the CS network via a network element having an IMS network and a CS network interworking gateway function. In the embodiment of the present invention, the emergency call user location information is added to the unified field of the SIP message and sent from the IMS network to the public safety answering point of the CS network, so that the user location information can be conveniently determined, and the emergency call processing time is saved. A second embodiment of the present invention provides a method for transmitting user location information to a CS network in an emergency call in an IMS network. As shown in FIG. 2, the method includes:
步骤 201 : 用户发起紧急呼叫, 获取用户位置信息。 Step 201: The user initiates an emergency call to obtain user location information.
步骤 202:将获取的用户位置信息添加到 SIP消息的 P-Access-Network-info 头 i或的新增 Location-Information字段。 Step 202: Add the obtained user location information to the newly added Location-Information field of the P-Access-Network-info header i of the SIP message.
现有技术中 SIP消息的 P-Access-Network-info头域中的各个字段用来携带 不同的用户位置信息。 本实施例中新增一个 Location-Information字段, 将各 种类型的用户位置信息均添加到该 Location-Information字段,方便 CS网络的 公共安全应答点快速、 准确确定用户位置信息。 In the prior art, each field in the P-Access-Network-info header field of the SIP message is used to carry different user location information. In this embodiment, a Location-Information field is added, and various types of user location information are added to the Location-Information field, so that the public safety answering point of the CS network can quickly and accurately determine the user location information.
步骤 203: 发送携带用户位置信息的 SIP消息到具有 IMS网络和 CS网络 互通网关功能的网元。 Step 203: Send a SIP message carrying the location information of the user to the network element having the function of the IMS network and the CS network interworking gateway.
将携带用户位置信息的 SIP消息发送到具有 IMS网络和 CS网络互通网关 功能的网元, 使该携带用户位置信息的紧急呼叫传递到 CS网络的公共安全应 答点。 The SIP message carrying the user location information is sent to the network element having the function of the IMS network and the CS network interworking gateway, so that the emergency call carrying the user location information is transmitted to the public security answering point of the CS network.
步骤 204: 具有 IMS网络和 CS网络互通网关功能的网元从 SIP消息中读 取用户位置信息。 Step 204: The network element having the IMS network and the CS network interworking gateway function reads the user location information from the SIP message.
具有 IMS网络和 CS网络互通网关功能的网元接收到该携带紧急呼叫用户 位置信息的 SIP消息, 从 SIP消息的 P-Access-Network-info头域中的 The network element having the function of the IMS network and the CS network interworking gateway receives the SIP message carrying the location information of the emergency call user, from the P-Access-Network-info header field of the SIP message.
Location-Information字段读取用户位置信息。
步骤 205: 将用户位置信息填写到窄带信令 IAM消息的 location number 信元。 The Location-Information field reads the user location information. Step 205: Fill in the user location information into the location number cell of the narrowband signaling IAM message.
具有 IMS网络和 CS网络互通网关功能的网元将从 SIP消息的 NEs with IMS network and CS network interworking gateway functions will be from SIP messages
P-Access-Network-info头域中的 Location-Information字段读取的用户位置信息 填写到窄带信令初始地址消息( Initial Address Message, 以下筒称为 IAM )的 location number信元。 User location information read by the Location-Information field in the P-Access-Network-info header field Fill in the location number cell of the Initial Address Message (IAM).
步骤 206: 发送窄带信令 IAM消息至 CS网络的公共安全应答点。 Step 206: Send a narrowband signaling IAM message to a public safety answering point of the CS network.
将用户位置信息填写到窄带信令 IAM消息的 location number信元后, 将 该窄带信令 IAM消息发到 CS网络的公共安全应答点。 步骤 207: CS网络获得紧急呼叫用户的用户位置信息。 After the user location information is filled in to the location number cell of the narrowband signaling IAM message, the narrowband signaling IAM message is sent to the public safety answering point of the CS network. Step 207: The CS network obtains the user location information of the emergency call user.
CS网络的公共安全应答点在收到该紧急呼叫之后,即可通过 IAM消息中 的 location number信元中携带的位置信息,在位置信息数据库中查询得到对应 的具***置信息。 本发明的另一实施例中, 用户在 IMS网络发起紧急呼叫, 获取用户位置 信息, 将用户位置信息添加到 SIP消息新增头域的新增 Location-Information 字段。发送携带该用户位置信息的 SIP消息到具有 IMS网络和 CS网络互通网 关功能的网元。具有 IMS网络和 CS网络互通网关功能的网元接收到该 SIP消 息后从 SIP消息新增头域的新增 Location-Information字段读取用户位置信息, 并将该用户位置信息添加到窄带信令 IAM消息的 location number信元, 发送
携带用户位置信息的窄带信令 IAM消息至 CS网络的公共安全应答点, CS网 络的公共安全应答点在收到该紧急呼叫之后,即可通过 IAM消息中的 location number信元中携带的位置信息, 在位置信息数据库中查询得到对应的具*** 置信息。 After receiving the emergency call, the public safety answering point of the CS network can obtain the corresponding specific location information in the location information database by using the location information carried in the location number cell in the IAM message. In another embodiment of the present invention, the user initiates an emergency call on the IMS network, obtains user location information, and adds the user location information to the newly added Location-Information field of the SIP header header field. Sending a SIP message carrying the location information of the user to a network element having an IMS network and a CS network interworking gateway function. After receiving the SIP message, the network element having the IMS network and the CS network interworking gateway function reads the user location information from the newly added Location-Information field of the new header field of the SIP message, and adds the user location information to the narrowband signaling IAM. Location number cell of the message, sent The narrowband signaling IAM message carrying the user location information is sent to the public safety answering point of the CS network, and the public safety answering point of the CS network can pass the location information carried in the location number cell in the IAM message after receiving the emergency call. In the location information database, the corresponding location information is obtained.
本发明实施例提供的方法,将各种不同类型的用户位置信息添加到 SIP消 息头域的统一字段中,从 IMS网络发送到 CS网络的公共安全应答点, 可以方 便确定用户位置信息, 节约了紧急呼叫处理时间。 The method provided by the embodiment of the present invention adds various types of user location information to the unified field of the SIP message header field, and sends the public security response point from the IMS network to the CS network, which can conveniently determine the user location information, thereby saving Emergency call processing time.
本发明第三实施例提供了一种具有 IMS网络和 CS网络互通网关功能的网 元, 如图 3所示, 具体包括读取单元 301、 处理单元 302和发送单元 303。 A third embodiment of the present invention provides a network element having the functions of an IMS network and a CS network interworking gateway. As shown in FIG. 3, the network element includes a reading unit 301, a processing unit 302, and a sending unit 303.
读取单元 301 ,用于从 SIP消息的头域的新增 Location-Information字段读 取用户位置信息; 处理单元 302, 用于将该用户位置信息填写到窄带信令 IAM 消息的 location number信元; 发送单元 303 , 用于发送该窄带信令 IAM消息 至 CS网络中的公共安全应答点。 The reading unit 301 is configured to read the user location information from the newly added Location-Information field of the header field of the SIP message; the processing unit 302 is configured to fill the user location information into the location number cell of the narrowband signaling IAM message; The sending unit 303 is configured to send the narrowband signaling IAM message to a public safety answering point in the CS network.
其中读取单元 301可以从 SIP消息的 P-Access-Network-info头域中的新增 Location-Information字段读取的用户位置信息;处理单元 302将从 SIP消息的 P-Access-Network-info头域中的 Location-Information字段读取的用户位置信息 填写到窄带信令 IAM消息的 location number信元; 发送单元 303发送携带用 户位置信息的该窄带信令 IAM消息至 CS网络中的公共安全应答点。 The reading unit 301 can read the user location information from the newly added Location-Information field in the P-Access-Network-info header field of the SIP message; the processing unit 302 will use the P-Access-Network-info header of the SIP message. The user location information read by the Location-Information field in the domain is filled in to the location number cell of the narrowband signaling IAM message; the sending unit 303 sends the narrowband signaling IAM message carrying the user location information to the public safety answering point in the CS network. .
本发明另一实施例中, 读取单元 301可以从 SIP消息的新增头域的
Location-Information字段读取的用户位置信息;处理单元 302将从 SIP消息的 新增头域中的 Location-Information字段读取的用户位置信息填写到窄带信令 IAM消息的 location number信元; 发送单元 303发送携带用户位置信息的该 窄带信令 IAM消息至 CS网络中的公共安全应答点。 In another embodiment of the present invention, the reading unit 301 can be added from the header field of the SIP message. Location-Information field read user location information; the processing unit 302 fills in the user location information read from the Location-Information field in the newly added header field of the SIP message to the location number cell of the narrowband signaling IAM message; 303 sends the narrowband signaling IAM message carrying the user location information to a public safety answering point in the CS network.
本发明实施例通过接收 IMS网络发送的携带紧急呼叫用户位置信息的 SIP 消息, 从 SIP消息头域的一个统一字段中读取用户位置信息, 传递到 CS网络 的公共安全应答点, 方便确定用户位置, 节约紧急呼叫处理时间。 The embodiment of the present invention receives the SIP message carrying the emergency call user location information sent by the IMS network, reads the user location information from a unified field of the SIP message header field, and transmits the location information to the public security response point of the CS network, thereby conveniently determining the user location. , saving emergency call processing time.
本发明第四实施例提供的具有 IMS网络和 CS网络互通网关功能的网元, 如图 4所示, 具体包括接收单元 401、 读取单元 402、 处理单元 403和发送单 元 404。 The network element having the function of the IMS network and the CS network interworking gateway according to the fourth embodiment of the present invention, as shown in FIG. 4, specifically includes a receiving unit 401, a reading unit 402, a processing unit 403, and a transmitting unit 404.
其中, 接收 401用于接收 IMS网络发送的携带紧急呼叫的用户位置信息 的 SIP消息。 读取单元 402、 处理单元 403和发送单元 404的功能同本发明第 三实施例中的读取单元 301、 处理单元 302和发送单元 303。 The receiving 401 is configured to receive a SIP message of the user location information of the emergency call that is sent by the IMS network. The functions of the reading unit 402, the processing unit 403, and the transmitting unit 404 are the same as the reading unit 301, the processing unit 302, and the transmitting unit 303 in the third embodiment of the present invention.
本发明实施例提供的具有 IMS网络和 CS网络互通网关功能的网元,可以 从 SIP消息的头域的统一字段中读取紧急呼叫用户的用户位置信息并将用户 位置信息转换到 CS网络, 实现了紧急呼叫中用户位置信息从 IMS网络到 CS 网络的传递, 方便 CS网络的公共安全应答点获取用户位置信息, 节约了紧急 呼叫处理时间。 The network element with the function of the IMS network and the CS network interworking gateway provided by the embodiment of the present invention can read the user location information of the emergency call user from the unified field of the header field of the SIP message and convert the user location information into the CS network. The transmission of the user location information from the IMS network to the CS network in the emergency call facilitates the public safety answering point of the CS network to obtain the user location information, thereby saving the emergency call processing time.
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示
例的单元及算法步骤, 能够以电子硬件、 计算机软件或者二者的结合来实现, 为了清楚地说明硬件和软件的可互换性,在上述说明中已经按照功能一般性地 描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行,取决 于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用 来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本发明的范 围。 One of ordinary skill in the art will recognize the various aspects described in connection with the embodiments disclosed herein. The unit and algorithm steps of the example can be implemented by electronic hardware, computer software or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the examples have been generally described in terms of functions in the above description. Composition and steps. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.
所属领域的技术人员可以清楚地了解到, 为描述的方便和筒洁, 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。 A person skilled in the art can clearly understand that, for the convenience and the cleaning of the description, the specific working process of the system, the device and the unit described above can refer to the corresponding processes in the foregoing method embodiments, and details are not described herein again.
在本申请所提供的几个实施例中, 应该理解到, 所披露的***、 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。 In the several embodiments provided herein, it should be understood that the disclosed systems, devices, and methods can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, 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. In addition, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
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, 也可以采用软件功能单元的
形式实现。 In addition, 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 a software functional unit. Formal realization.
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售 或使用时, 可以存储在一个计算机可读取存储介质中。 基于这样的理解, 本发 明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全 部或部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储 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全部或部分步骤。 而前述 的存储介质包括: U盘、 移动硬盘、 只读存储器(ROM, Read-Only Memory )、 随机存取存储器(RAM, Random Access Memory ), 磁碟或者光盘等各种可以 存储程序代码的介质。 The integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium. A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, 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. .
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于 此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易想到 变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保护范围应 以所述权利要求的保护范围为准。
The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the appended claims.
Claims
1、 一种 IMS网络中紧急呼叫传送用户位置信息到 CS网络的方法, 其特 征在于, 包括: A method for transmitting user location information to an CS network in an emergency call in an IMS network, the method comprising:
将所述用 户 位置信 息 添加到 SIP 消 息 的 头域的新增 Locat ion-Informat ion字段; Adding the user location information to a new Locat-Information field of the header field of the SIP message;
发送携带所述用户位置信息的 SIP消息经具有 IMS网络和 CS网络互通网 关功能的网元到所述 CS网络的公共安全应答点。 The SIP message carrying the location information of the user is sent to a public safety answering point of the CS network via a network element having an IMS network and a CS network interworking gateway function.
2、 根据权利要求 1 所述的方法, 其特征在于, 所述新增 Locat ion-Informat ion字段位于所述 SIP消息的 P-Acces s-Network-inf o头 域。 The method according to claim 1, wherein the newly added Locat-Information field is located in a P-Acces s-Network-inf o header field of the SIP message.
3、 根据权利要求 1 所述的方法, 其特征在于, 所述新增 Locat ion-Informat ion字段位于所述 SIP消息的新增头域。 3. The method according to claim 1, wherein the newly added Locat-Information field is located in a newly added header field of the SIP message.
4、一种 IMS网络中紧急呼叫传送用户位置信息到 CS网络的方法, 其特征 在于, 包括: A method for transmitting user location information to an CS network in an emergency call in an IMS network, comprising:
具有 IMS 网络和 CS 网络互通网关功能的网元从 SIP 消息的头域的新增 The addition of NEs with IMS network and CS network interworking gateway functions from the header field of SIP messages
Locat ion-Informat ion字段读取用户位置信息; The Locat ion-Information field reads user location information;
将所述用户位置信息填写到窄带信令 IAM消息的 locat ion number信元; 发送所述窄带信令 IAM消息至 CS网络的公共安全应答点。 Filling the user location information into a locat ion number cell of the narrowband signaling IAM message; sending the narrowband signaling IAM message to a public safety answering point of the CS network.
5、 根据权利要求 4 所述的方法, 其特征在于, 所述新增 5. The method according to claim 4, wherein the adding
Locat ion-Informat ion字段位于所述 SIP消息的 P-Acces s-Network-inf o头 域。 The Locat ion-Informat ion field is located in the P-Acces s-Network-inf o header of the SIP message. area.
6、 根据权利要求 4 所述的方法, 其特征在于, 所述新增 Locat ion-Informat ion字段位于所述 SIP消息的新增头域。 The method according to claim 4, wherein the newly added Locat-Information field is located in a newly added header field of the SIP message.
7、一种具有 IMS网络和 CS网络互通网关功能的网元,其特征在于, 包括: 读取单元, 用于从 SIP消息的头域的新增 Locat ion-Informat ion字段读 取用户位置信息; A network element having an IMS network and a CS network interworking gateway function, comprising: a reading unit, configured to read user location information from a newly added Locate-Information field of a header field of a SIP message;
处理单元,用于将所述用户位置信息填写到窄带信令 IAM消息的 locat ion number信元; a processing unit, configured to fill the user location information into a locat ion number cell of the narrowband signaling IAM message;
发送单元, 用于发送所述窄带信令 IAM消息至 CS网络中的公共安全应答 点。 And a sending unit, configured to send the narrowband signaling IAM message to a public safety answering point in the CS network.
8、 根据权利要求 7所述的网元, 其特征在于, 还包括: The network element according to claim 7, further comprising:
接收单元, 用于接收 IMS网络发送的携带用户位置信息的 SIP消息。 The receiving unit is configured to receive a SIP message that carries the user location information sent by the IMS network.
9、 根据权利要求 7或 8所述的网元, 其特征在于, 所述读取单元, 具体 用于从 S IP 消息的 P_Acces s_Network_info 头 i或或新增头 i或的新增 Locat ion-Informat ion字段读取用户位置信息。 The network element according to claim 7 or 8, wherein the reading unit is specifically configured to use the P_Acces s_Network_info header i of the SIP message or the newly added header i or the new Locate ion-Informat The ion field reads the user location information.
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CN2011800030497A CN102511172A (en) | 2011-12-05 | 2011-12-05 | Method and device for urgently calling and transmitting user location information to CS network in IMS network |
PCT/CN2011/083484 WO2013082744A1 (en) | 2011-12-05 | 2011-12-05 | Method and device for transmitting emergency call user location information to circuit switched network in ip multimedia subsystem network |
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KR101548515B1 (en) | 2012-12-19 | 2015-09-01 | 유니파이 게엠베하 운트 코. 카게 | Method of conveying a location information representing a physical location of a first communication device, a computer program product for executing the method, and the first communication device for conveying the location information |
CN108462979B (en) * | 2017-02-17 | 2020-08-14 | ***通信集团河南有限公司 | Domain selection method for communication and mobile management entity |
CN109150799A (en) * | 2017-06-16 | 2019-01-04 | ***通信集团公司 | A kind of method and device obtaining called location information |
CN111314840A (en) * | 2018-11-27 | 2020-06-19 | ***通信集团青海有限公司 | Emergency call method and terminal equipment |
CN112312324B (en) * | 2020-10-29 | 2023-09-19 | 维沃移动通信有限公司 | Position information transmitting apparatus and method |
CN114866507A (en) * | 2022-06-13 | 2022-08-05 | 厦门亿联网络技术股份有限公司 | Communication method, communication device and electronic equipment |
CN115334047A (en) * | 2022-08-02 | 2022-11-11 | 中国电信股份有限公司 | Information transmission method and device, electronic equipment and storage medium |
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