WO2007095816A1 - Procédé et système d'acheminement de messages d'un service de messagerie multimédia - Google Patents

Procédé et système d'acheminement de messages d'un service de messagerie multimédia Download PDF

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Publication number
WO2007095816A1
WO2007095816A1 PCT/CN2006/003568 CN2006003568W WO2007095816A1 WO 2007095816 A1 WO2007095816 A1 WO 2007095816A1 CN 2006003568 W CN2006003568 W CN 2006003568W WO 2007095816 A1 WO2007095816 A1 WO 2007095816A1
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WIPO (PCT)
Prior art keywords
service center
message service
multimedia message
sender
terminal
Prior art date
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PCT/CN2006/003568
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English (en)
French (fr)
Inventor
Guangchang Bai
Weiming Cheng
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to AT06840620T priority Critical patent/ATE476839T1/de
Priority to EP06840620A priority patent/EP1855497B1/en
Priority to DE602006015925T priority patent/DE602006015925D1/de
Priority to CNA2006800126766A priority patent/CN101161025A/zh
Publication of WO2007095816A1 publication Critical patent/WO2007095816A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12Messaging; Mailboxes; Announcements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/26Network addressing or numbering for mobility support
    • H04W8/28Number portability ; Network address portability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18Service support devices; Network management devices
    • H04W88/184Messaging devices, e.g. message centre
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/02Inter-networking arrangements

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a message routing method and system for a multimedia message service. Background technique
  • MMS Multimedia Messaging Service
  • GPRS General Packet Radio Service
  • 3G Third Generation Partnership Project
  • MMS is a further development of Short Message Service (SMS) and Enhanced Messaging Service (EMS), providing a complete end-to-end solution for personal multimedia mobile communication services.
  • SMS Short Message Service
  • EMS Enhanced Messaging Service
  • multimedia messages include images, audio, video, and data; functionally, multimedia messaging services cover end-to-end, terminal-to-application (mainly value-added service providers:), and multimedia applied to terminals.
  • MMS can generate richer and richer content service applications with the interaction of mobile users and Internet content providers.
  • the user is both a consumer of MMS and a content developer, which will undoubtedly increase the interest of the end user in the use of the business.
  • the multimedia messaging system architecture as shown in Figure 1:
  • multimedia message service There are many different network types that can be included in the multimedia message system.
  • various network elements related to the multimedia message service are: mobile network (2G, 3G), Internet (Internet), multimedia message service (MMS) user agent, value added Service provider, external server (such as mail, fax), etc.
  • the MMS relay server is called the Multimedia Message Service Center (MMSC), which mainly provides the following functions: sending and receiving multimedia messages, supporting interworking with external servers, and notifying and generating multimedia messages to MMS user agents. Delivery reports, address translations, stored messages, routed forwards to messages, generated words Single, terminal capability negotiation, etc.
  • the interaction between the MMSC and the user agent and the interaction between the MMSC and the value-added service provider are the most basic services.
  • Each MMSC manages some users and provides access functions for the corresponding users.
  • the MMSC interacts with the terminal through a Wireless Application Protocol (WAP) gateway, and the interface is called an MM1 interface;
  • WAP Wireless Application Protocol
  • the MMSC interacts with the mail server by using the MM3 protocol, and the bearer protocol is the SMTP (Simple Mail Transfer Protocol) protocol;
  • SMTP Simple Mail Transfer Protocol
  • the MMSC interacts with the service provider/content provider (SP/CP) using the MM7 protocol.
  • the bearer protocol is generally selected as the Hypertext Transfer Protocol (HTTP) protocol, and other protocols are used.
  • the MMSC and the MMSC use the MM4 protocol to interact, and the carrier protocol is the SMTP protocol.
  • the sender MMSC needs to forward the message to the receiver MMSC through the MM4 interface, and then the receiver MMSC sends the message to the receiver terminal. Therefore, for the sender MMSC, after receiving a multimedia message, it is first necessary to determine the routing information of the receiver terminal, that is, which MMSC the receiver terminal belongs to. If the receiver terminal belongs to an external MMSC, the sender MMSC needs to forward the message to the receiver MMSC through the MM4 interface.
  • the MMSC needs to be based on the receiver MSISDN.
  • a dedicated device such as a number domain name server (DNS)
  • DNS number domain name server
  • the sender MMSC After receiving the message submitted by the local user agent, the sender MMSC extracts the receiver MSISDN in the message, and then sends the receiver MSISDN to a dedicated device, such as a number domain name server (DNS) to query the route, and the dedicated device queries according to the number. Relevant information after routing Returning to the sender MMSC, the sender MMSC forwards the message submitted by the local user to the MMSC where the receiver user is located according to the received routing information, that is, the receiver MMSC, and then the multimedia message is transmitted by the receiver MMSC to the corresponding user. .
  • DNS number domain name server
  • the operator may provide the number portability service to the user as needed. That is, the user can replace the carrier while retaining the original number.
  • the MSISDN number of the user has not changed, the terminal corresponding to the number has changed.
  • the routing information obtained by using MSISDN may be inaccurate; moreover, this kind of route query method requires special equipment, which will increase the investment of operators.
  • An object of the present invention is to provide a message routing method and system for a multimedia message service, which can accurately acquire a user's routing information by using an existing device of the network, thereby simplifying the network structure and reducing the cost.
  • the embodiment of the invention provides a message routing method for a multimedia message service, which includes the following steps:
  • the sender multimedia message service center After receiving the message submitted by the sender terminal, the sender multimedia message service center obtains the IMSI information of the international mobile subscriber identity of the receiver terminal through the home location register in the system;
  • the sender multimedia message service center obtains the multimedia message service center to which the receiver terminal belongs according to the obtained IMSI information of the receiver terminal;
  • the embodiment of the invention further provides a message routing system for a multimedia message service, comprising: a home location register and a signaling gateway,
  • the signaling gateway is connected to the multimedia message service center through an IP network, and is connected to the home location register through a wireless network; the home location register is used to store user information of the mobile terminal; the signaling gateway is used to implement Data transmission between the multimedia message service center and the home location register;
  • the sender multimedia message service center registers with the home location through the signaling gateway
  • the device queries and obtains the international mobile subscriber identity IMSI of the recipient mobile terminal.
  • the short message service center in the prior art is used as a signaling gateway for transferring the message that the multimedia message service center queries the HLR (Home Location Register) for the IMSI information of the receiver terminal.
  • the interface between the multimedia message service center and the signaling gateway is implemented by augmenting the existing SMPP 3.4 protocol, and the interface between the signaling gateway and the HLR is implemented using the MAP (Mobile Application Part) protocol. Therefore, the present invention can fully utilize the existing equipment of the network to obtain the routing information of the user, and does not need to add special equipment, which not only reduces the investment, but also the network structure, and can provide more accurate multimedia message routing information, thereby improving the network information. System service quality. DRAWINGS
  • FIG. 1 is a schematic diagram of a multimedia message system architecture
  • FIG. 2 is a schematic structural diagram of a system in which multiple MMSCs operate
  • FIG. 5 is a flowchart of querying a service message in an embodiment of the present invention.
  • FIG. 6 is a flow chart of an implementation method for transmitting and receiving multimedia messages by a remote user in an embodiment of the present invention
  • Figure 7 is a block diagram showing the system structure of the first embodiment of the system of the present invention.
  • FIG. 8 is a block diagram showing the system structure of the second embodiment of the system of the present invention. detailed description
  • the MM5 interface between the multimedia messaging service center and the HLR is described, a detailed implementation is not provided in the specification.
  • the implementation of the MM5 interface is determined by each multimedia messaging service center. Since the implementation of the multimedia message service center and the HLR is based on the IP network and the signaling network, respectively, it is complicated to realize the direct interconnection between the multimedia message service center and the HLR.
  • a signaling gateway is used to transfer the message that the multimedia message service center queries the home location register (HLR) for the IMSI information of the receiver terminal, thereby implementing the MM5 interface function.
  • HLR home location register
  • the information query interface should be used, and the application is mature. Therefore, in order to reorganize the network structure, the information query interface can be fully utilized to enable the short message service center to complete the function of the signaling gateway.
  • the interface between the multimedia message service center and the signaling gateway is implemented by augmenting the existing SMPP 3.4 protocol, and the interface between the signaling gateway and the HLR is implemented using the MAP protocol.
  • the Short Message Point-to-Point Protocol is an open message conversion protocol that defines a series of operational protocol data units to complete SMSC and non-public land mobile telephone network (PLMN) short message entities, such as extended short message entities (ESME). ) information exchange.
  • SMPP is based on the exchange of request and response protocol data units between SMSC and ESME. Each SMPP operation consists of a request protocol data unit (PDU) and a corresponding response PDU, and this exchange is in the transmission control protocol / Internet Protocol (TCP/IP) or X.25 network connection.
  • TCP/IP Internet Protocol
  • X.25 X.25 network connection.
  • an ESME can connect to the SMSC at the application layer via TCP/IP or X.25 network, and send and receive short messages separately from the SMSC.
  • the ESME can also query, delete and replace short messages through the SMPP protocol.
  • each PDU consists of a PDU header and a PDU body (some PDUs are not available), as shown in Table 1 below:
  • the command length field defines the length of the entire SMPP packet; the command identifier field indicates the SMPP PDU message type; the command status field indicates whether the request message is successful; the sequence number field indicates the sequence number of the message, and is between the request message and its response. Corresponding signs.
  • the data_sm and data_sm_resp commands are used to transfer data between the SMSC and the ESME, data_sm is a transmission data request message, and data_sm_resp is a transmission data response message.
  • data_sm and data_sm_resp there are some mandatory parameters and some optional parameters. Therefore, in order to achieve a communication between the multimedia message service center and the short message service center For data transmission, the user information of the receiver can be queried by extending the optional fields in the message body of the two messages.
  • TLV type-length-valued encoding format
  • data_sm and data_sm_resp messages may also be used to indicate the multimedia message service center's query of the receiver user information and the IMSI information of the receiver terminal that is queried; other messages may also be used. Realize the query of the recipient user information. In the actual application, it is determined according to needs.
  • the multimedia information center acquires the IMSI of the receiver terminal, it can be based on some simple statically configured routing information (the correspondence between the IMSI number segment and the multimedia message service center). To determine the multimedia message service center to which the receiver belongs, thereby implementing routing of multimedia messages.
  • FIG. 4 shows an implementation flow of a method in an embodiment of the present invention, including the following steps:
  • Step S401 After receiving the message submitted by the sender terminal, the multimedia message service center of the sender acquires the IMSI information of the receiver terminal through the HLR in the system.
  • the sender multimedia message service center acquires the receiver terminal MSISDN (Mobile Station International ISDN Number) according to the message submitted by the sender terminal; and then sends the receiver terminal MSISDN to the HLR to query the receiver terminal IMSI information.
  • MSISDN Mobile Station International ISDN Number
  • the HLR maintains basic information about the user: such as the SIM card number, mobile number, subscription information, etc.; and some dynamic information: such as the current location, whether it has been turned off, and the like.
  • the HLR queries the MSISDN for the user information saved by the HLR, finds the IMSI corresponding to the MSISDN, and then sends the queried IMSI information of the queried to the sender's multimedia message service center. Through this process, the sender's multimedia message service center can query the receiver's user information.
  • data transmission between the multimedia message service center and the HLR can be implemented through a signaling gateway.
  • a dedicated signaling gateway can be employed.
  • the sender's multimedia message, the monthly service center queries the IMSI information of the receiver terminal.
  • the short message service center in the existing network can also be used as a signaling gateway.
  • the information query interface existing between the short message service center and the HLR is used to complete the query function of the IMSI information of the receiver terminal by the sender multimedia message service center.
  • the interface between the multimedia message service center and the short message service center is implemented by augmenting the existing SMPP 3.4 protocol, and the interface between the short message service center and the HLR is implemented using the MAP protocol.
  • the MAP specification specifies the interface between the various network elements on the GSM (Global System for Mobile Communications) network (including the short message service center between SMSC and HLR) and has been widely used.
  • GSM Global System for Mobile Communications
  • the MMSC sends the extended SMPP 3.4 protocol (data_sm message) to the SMSC to query the user information, and the data_sm message carries the user's MSISDN.
  • the SMSC converts the message into MAP-SRIJFOR-SM (short message routing query information, in the GSM specification, the SMSC uses the message to query the HLR for the short message receiver user's route), in the message Carry the receiving terminal MSISDN and send it to the HLR.
  • MAP-SRIJFOR-SM short message routing query information, in the GSM specification, the SMSC uses the message to query the HLR for the short message receiver user's route
  • the HLR returns the IMSI of the user and the number of the visited MSC (the number uniquely identifies an MSC).
  • SMSC After receiving the response message of MAP_SRI-FOR-SM, SMSC converts it into data_sm response message data_sm_resp and returns it to MMSC.
  • Step S402 The sender multimedia message service center acquires the multimedia message service center to which the receiver terminal belongs according to the obtained IMSI information of the receiver terminal.
  • the corresponding relationship between the IMSI number segment and the multimedia message service center may be configured in advance on the sender multimedia message service center, so that the sender multimedia message service center queries the stored correspondence relationship according to the acquired IMSI information of the receiver terminal, and obtains the receiver.
  • Step S403 Send the multimedia message submitted by the sender terminal to the receiver terminal by using the multimedia message service center to which the receiver terminal belongs.
  • the sender multimedia message service center After the sender multimedia message service center obtains the multimedia message service center to which the receiver terminal belongs, it is determined whether the multimedia message service center is the multimedia message service center. If yes, the multimedia message service center directly sends the multimedia message submitted by the sender terminal to the receiver terminal; if not, the multimedia message service center forwards the multimedia message submitted by the sender terminal to the receiver terminal The multimedia message service center is then sent to the recipient terminal.
  • the sender MMSC receives the multimedia message sent by the sender terminal
  • the sender MMSC returns a submit response message to the sender terminal
  • the sender MMSC sends the receiver MSISDN to the HLR to query the receiver IMSI information; 5604.
  • the HLR sends the queried receiver user information (ie, the IMSI) to the MMSC.
  • the MMSC determines the affiliation of the receiver terminal according to the obtained IMSI information and the statically configured routing information (the correspondence between the IMSI number segment and the MMSC) in the system. MMSC. If it belongs to the MMSC, skip to step 7; otherwise, go to step 5 and forward the message to the receiver MMSC through the MM4 interface;
  • the sender MMSC sends a forward request message to the receiver MMSC;
  • the receiving MMSC After receiving the multimedia message sent by the sender MMSC, the receiving MMSC returns a forward response message to the sender MMSC.
  • the receiver MMSC sends a multimedia message notification to the receiver terminal;
  • the receiver terminal sends a multimedia message notification response message to the receiver MMSC.
  • the receiving party MMSC waits for the receiving terminal to acquire the multimedia message (MMl_retrieve.REQ);
  • the receiving MMSC sends a multimedia message to the receiver terminal (MM1-retrieve.RES);
  • the receiver MMSC waits for the result notification of the receiver terminal.
  • the receiver MMSC decides whether to send a delivery message (MM1-delivery-repor REQ) to the sender terminal according to the request of the sender when submitting the message; if the sender requests to send the delivery report, send the delivery to the sender MMSC. Report request message;
  • the sender MMSC After receiving the delivery report request message, the sender MMSC returns a delivery report response message to the receiver MMSC.
  • the signaling gateway 30 is connected to the sender multimedia message service center 11 via an IP network, through the wireless network and the home location register 40. Connected.
  • the sender multimedia message service center 11 and the receiver multimedia message service center 21 are connected through the IP network, and interact with the MM4 protocol, and the bearer protocol is SMTP (Simple Mail Transfer Protocol); the sender multimedia message service center 11 and the mobile terminal 10, the receiver
  • the multimedia message service center 21 interacts with the mobile terminal 20 via a WAP (Wireless Application Protocol) gateway.
  • the home location register 40 is configured to store user information of the mobile terminal; the signaling gateway 30 is configured to implement data transmission between the multimedia message service center and the home location register.
  • the sender multimedia message service center 11 queries the home location register 40 via the signaling gateway 30 and acquires the international mobile subscriber identity IMSI of the recipient mobile terminal.
  • the correspondence between the IMSI number segment and each multimedia message service center may be stored in the home location register 40, and the sender multimedia message service center 11 queries and receives the home location register S40.
  • the home location register 40 returns not only the receiver mobile terminal IMSI thereto, but also the multimedia message service center to which the IMSI belongs to the sender multimedia message service center.
  • routing information storage 12 in FIG. 8 is connected to the sender multimedia message service center to store the correspondence between the IMSI number segment and each multimedia message service center. Since the IMSI has a corresponding relationship with the terminal, after the sender multimedia message service center 11 queries and learns the IMSI information of the receiver mobile terminal, the mobile terminal belongs to the receiver according to the information stored in the routing information memory 12. Multimedia messaging service center.
  • the routing information storage 12 may be integrated into each sender's multimedia message service center in the network, and the correspondence between the IMSI number segment and each multimedia message service center is stored in the routing information through pre-configuration. Memory.
  • the short message service center can be utilized by utilizing the existing information query interface between the short message service center and the home location register existing in the existing network.
  • the interface between the short message service center and the multimedia message service center is implemented by extending the SMPP 3.4 protocol, and the interface between the short message service center and the home location register is implemented by the Mobile Application Part (MAP) protocol.
  • MAP Mobile Application Part

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Description

多媒体消息业务的消息路由方法及系统 本申请要求于 2006 年 02 月 27 日提交中国专利局、 申请号为 200610057770.5, 发明名称为 "多媒体消息业务的消息路由方法及系统" 的中国专利申请的优先权, 其全部内容通过 I用结合在本申请中。 技术领域
本发明涉及通信技术领域, 具体涉及一种多媒体消息业务的消息路 由方法及系统。 背景技术
目前, 多媒体消息业务(MMS ) 已经被业界公认为通用分組无线业 务(GPRS )和 3G市场启动与发展的关键推动力, 它将非常有力地推动 移动通信业务的发展。 MMS是短信息服务(SMS ) 和增强型消息服务 ( EMS ) 的进一步发展, 为个人多媒体移动通信服务提供了完整的端到 端解决方案。 从通信内容上讲, 多媒体消息包括图像、 音频、 视频和数 据等;从功能上讲, 多媒体消息业务涵盖了终端到终端、终端到应用(主 要指增值业务提供商:)、应用到终端的多媒体消息通信。 它不仅实现了终 端之间、 终端和应用之间的信息传递, 还实现了内容的多样性, 包括图 片、 语音、 图像、 数据和文本的各种组合。 作为一个开放的媒体接入平 台, MMS可以在移动用户和互联网内容提供商的互动下, 衍生出更丰富 多彩的内容服务应用。 而用户既是 MMS的消费者, 又是内容开发者, 这 无疑会提高终端用户对业务的使用兴趣。
多媒体消息系统体系结构, 如图 1所示:
在多媒体消息系统中可以包含许多不同的网络类型, 其中, 与多媒 体消息业务相关的各种网络要素有: 移动网络 (2G、 3G )、 因特网 ( Internet ), 多媒体消息业务( MMS )用户代理、 增值业务提供商、 外 部服务器 (比如邮件、 传真)等。 其中, MMS中继 I务器即通常所说 的多媒体消息服务中心(MMSC ),它主要提供以下功能: 发送和接收多 媒体消息、 支持与外部服务器的互通、对 MMS用户代理的多媒体消息通 知、 生成递送报告、 地址变换、 存储消息、 对消息的路由转发、 生成话 单、 终端能力协商等。 其中, MMSC与用户代理之间的交互以及 MMSC 与增值业务提供商之间的交互是最基本的服务。
在运营商实际开展业务时, 经常需要使用多个 MMSC分别向用户提 供 MMS业务,各个 MMSC分别管理部分用户,提供相应用户的接入功能。
多个 MMSC互连的系统结构如图 2所示:
其中, MMSC与终端之间通过无线应用协议(WAP ) 网关交互, 该 接口称为 MM1接口;
MMSC与邮件服务器之间采用 MM3协议交互,承载协议为 SMTP(简 单邮件传输协议)协议;
MMSC与业务提供商 /内容提供商( SP/CP )之间采用 MM7协议交互 , 承载协议一般选择为超文本传输协议 ( HTTP )协议, 也有使用其它协议 的;
MMSC与 MMSC之间则采用 MM4协议交互, 载协议为 SMTP协议。 当发送方终端向归属于不同的 MMSC的终端发送多媒体消息时, 需 要由发送方 MMSC将消息通过 MM4接口前转给接收方 MMSC, 然后再由 接收方 MMSC发送给接收方终端。 因此, 对于发送方 MMSC来说, 在接 收到一条多媒体消息后, 首先需要判断接收方终端的路由信息, 即该接 收方终端属于哪个 MMSC。 如果接收方终端属于某外部 MMSC, 则发送 方 MMSC需要通过 MM4接口将消息前转到接收方 MMSC。
通常, MMSC在收到一条提交的消息后, 需要根据接收方 MSISDN
(移动台国际 ISDN号码)来判断接收方的路由。
在现有的技术中,通常需要使用专用设备,如号码域名服务器( DNS ) 来查询路由, 在专用设备中存储不同号码段与 MMSC的对应关系, 即路 由信息。 当用户使用的终端号码发生变化后, 需要及时更新专用设备中 相应的信息。
异地用户收发多媒体消息的流程如图 3所示:
发送方 MMSC收到本地用户代理提交的消息后, 提取出该消息中的 接收方 MSISDN, 然后将接收方 MSISDN发送到专用设备,如号码域名服 务器(DNS )去查询路由, 专用设备根据此号码查询路由后将相关信息 返回给发送方 MMSC, 发送方 MMSC根据收到的路由信息将本地用户提 交的消息前转到接收方用户所在的 MMSC, 即接收方 MMSC, 然后再由 接收方 MMSC将多媒体消息传送给相应的用户。
在实际运营中, 有时根据需要, 运营商可能为用户提供号码携带业 务, 即用户可以在保留原有号码的前提下更换运营商。 在这种情况下, 虽然用户的 MSISDN号码没有变化,但是该号码所对应的终端已经发生 了变化。 这时, 即使是使用专用设备, 准确及时地维护 MSISDN号码和 路由的对应关系也很困难。 因此, 使用 MSISDN获得的路由信息可能不 准确; 而且, 这种路由查询方式需要专用设备, 会使运营商增加投资。 发明内容
本发明的目的是提供一种多媒体消息业务的消息路由方法及系统, 利用网络现有的设备来准确地获取用户的路由信息, 可简化网络结构, 降低成本。
本发明实施例提供一种多媒体消息业务的消息路由方法, 包括如下 步骤:
当发送方多媒体消息服务中心收到发送方终端提交的消息后, 通过 系统中的归属位置寄存器获取接收方终端的国际移动用户识别码 IMSI 信息;
发送方多媒体消息服务中心根据获取的接收方终端的 IMSI信息获 取接收方终端归属的多媒体消息服务中心;
通过所述接收方终端归属的多媒体消息服务中心将发送方终端 提交的多媒体消息发送给接收方终端。
本发明实施例还提供一种多媒体消息业务的消息路由系统, 包括: 归属位置寄存器和信令网关,
所述信令网关通过 IP网络与所述多媒体消息服务中心相连,通过无 线网络与所述归属位置寄存器相连; 所述归属位置寄存器用于存储移动 终端的用户信息; 所述信令网关用于实现多媒体消息服务中心与归属位 置寄存器之间的数据传输;
发送方多媒体消息服务中心通过所述信令网关向所述归属位置寄存 器查询并获取接收方移动终端的国际移动用户识别码 IMSI。
本发明提供的技术方案中, 将现有技术中的短消息服务中心作为一 个信令网关, 用于转接多媒体消息服务中心向 HLR (归属位置寄存器) 查询接收方终端 IMSI信息的消息。多媒体消息服务中心和信令网关之间 的接口通过扩充现有的 SMPP3.4协议实现, 信令网关与 HLR之间的接 口使用 MAP (移动应用部分)协议实现。 因此, 本发明可以充分利用网 络现有的设备来获取用户的路由信息, 不需要增加专用设备, 不仅减少 了投资, 筒化了网絡结构, 而且能够提供更加准确的多媒体消息路由信 息, 进而提高了系统服务质量。 附图说明
图 1是多媒体消息系统体系结构示意图;
图 2是多个 MMSC运营的系统结构示意图;
图 3是现有技术中异地用户收发多媒体消息的流程;
图 4是本发明实施例中路由方法的实现流程图;
图 5是本发明实施例中查询业务消息的流程图;
图 6是利用本发明实施例中异地用户收发多媒体消息的实现方法流 程图;
图 7是本发明系统第一实施例的系统结构框图;
图 8是本发明系统第二实施例的系统结构框图。 具体实施方式
在第三代伙伴组织计划 (3GPP )规范中, 虽然描述了多媒体消息服 务中心与 HLR之间的 MM5接口,但是该规范中并没有给出佯细的实现方 式。 MM5接口的实现, 由各多媒体消息服务中心自行决定。 由于多媒体 消息服务中心和 HLR的实现分别基于 IP网络和信令网絡, 因此要实现多 媒体消息服务中心与 HLR的直接互连十分复杂。
在本发明中, 利用一个信令网关来转接多媒体消息服务中心向归属 位置寄存器 (HLR ) 查询接收方终端 IMSI信息的消息, 从而实现 MM5 接口功能。 由于在现有网络中的短消息服务中心和 HLR之间已经存在相 应信息查询接口, 并且应用比较成熟, 因此, 为了筒化网络结构, 可以 充分利用该信息查询接口, 使短消息服务中心完成信令网关的功能。 多 媒体消息服务中心和信令网关之间的接口通过扩充现有的 SMPP3.4协议 实现, 信令网关与 HLR之间的接口使用 MAP协议实现。
为了使本技术领域的人员更好地理解本发明方案,首先对 SMPP协议 作筒单说明。
短消息点对点协议 ( SMPP )是一个开放的消息转换协议, 它定义了 一系列操作的协议数据单元 , 从而完成 SMSC与非公众陆地移动电话网 ( PLMN )短消息实体, 如扩展短消息实体(ESME )的信息交换。 SMPP 是基于 SMSC与 ESME之间的请求和响应协议数据单元的交换, 每一个 SMPP操作都由一个请求协议数据单元( PDU )和相应的一个响应 PDU 组成, 并且这种交换是在传输控制协议 /因特网协议 ( TCP/IP )或 X.25网 络连接之上的。 通过 SMPP协议, 一个 ESME可以借助 TCP/IP或 X.25网与 SMSC在应用层连接, 并与 SMSC之间分别发送和接收短消息; ESME也 可以通过 SMPP协议查询、 删除和替换短消息。
根据 SMPP3.4协议, 每个 PDU的结构定义由 PDU头和 PDU体(有些 PDU没有)组成, 如下表 1所示:
Figure imgf000007_0001
其中,命令长度字段定义了整个 SMPP数据包的长度;命令标识字段 表示 SMPP PDU消息类型; 命令状态字段表示请求消息是否成功; 序列 号字段表示消息的序列号, 是请求消息和其应答之间的对应标志。
data—sm、 data_sm_resp命令用于 SMSC和 ESME之间传输数据, data— sm为传输数据请求消息, data— sm— resp为传输数据响应消息。 在 data— sm和 data— sm— resp的消息体中, 分别包含有一些必选参数和一些可 选参数。 因此, 为了实现多媒体消息服务中心与短消息服务中心之间的 数据传输, 可以通过扩展这两个消息的消息体中的可选字段, 实现对接 收方用户信息的查询。
比如, 在 data— sm消息中, 扩充一个可选字段
get—MTRouting— Information
该字段使用 TLV (类型-长度-取值的编码格式)方式定义, 具体定义 如下表 2所示:
表 2:
Figure imgf000008_0001
在 data_sm— resp消息中, 扩充一个可选字段 sub— IMSI, 该字段使用 TLV方式定义, 具体定义如下表 3所示:
表 3:
Figure imgf000008_0002
当然, 也可以使用 data— sm和 data— sm— resp消息中的其他可选字段来 表示多媒体消息服务中心对接收方用户信息的查询及查询到的接收方终 端的 IMSI信息; 也可以使用其他消息实现对接收方用户信息的查询。 在 实际应用中根据需要来确定。
由于 IMSI信息和终端之间是——对应的关系, 因此, 多媒体信息中 心获取到接收方终端的 IMSI后, 可以根据一些简单的静态配置的路由信 息 (IMSI号码段和多媒体消息服务中心的对应关系)来判断接收方归属 的多媒体消息服务中心, 从而实现多媒体消息的路由。
为了使本技术领域的人员更好地理解本发明方案, 下面结合附图和 实施方式对本发明作进一步的详细说明。 参照图 4, 图 4示出了本发明实施例中的方法的实现流程, 包括以下 步骤:
步骤 S401: 当发送方多媒体消息服务中心收到发送方终端提交的消 息后, 通过系统中的 HLR获取接收方终端的 IMSI信息。
首先, 发送方多媒体消息服务中心根据发送方终端提交的消息获取 接收方终端 MSISDN (移动台国际 ISDN 号码); 然后将接收方终端 MSISDN发送给 HLR查询接收方终端 IMSI信息。
本技术领域人员知道, HLR保存有用户的基本信息:如 SIM的卡号、 手机号码、 签约信息等; 以及一些动态信息: 如当前的位置、 是否已经 关机等。 HLR 居自己保存的用户信息对 MSISDN进行查询,找到对应 该 MSISDN的 IMSI, 然后将查询到的接收方 IMSI信息发送给发送方多 媒体消息服务中心。 通过该过程, 发送方多媒体消息服务中心即可实现 对接收方用户信息的查询。
前面已经详细描述, 可以通过一个信令网关来实现多媒体消息服务 中心与 HLR之间的数据传输。在具体实现中,可以采用专用的信令网关。 这时, 就需要定义多媒体消息服务中心与信令网关、 以及信令网关与 HLR之间的通信协议、 消息类型、 格式等。 通过这些消息来实现发送方 多媒体消息月良务中心对接收方终端 IMSI信息的查询。
为了简化网絡结构, 也可以将现有网络中的短消息服务中心作为一 个信令网关。利用短消息服务中心与 HLR之间已经存在的信息查询接口 来完成发送方多媒体消息服务中心对接收方终端 IMSI信息的查询功能。 多媒体消息服务中心和短消息服务中心之间的接口通过扩充现有的 SMPP3.4协议实现, 短消息服务中心与 HLR之间的接口使用 MAP协议 实现。 MAP规范规定了 GSM (全球移动通信系统) 网络上各个网元之 间 (包括短消息业务中心 SMSC和 HLR之间) 的接口, 目前已经得到 了广泛的应用。
如图 5所示, 查询业务消息的具体步骤如下:
S501. MMSC发送扩充的 SMPP3.4协议 ( data— sm消息)至 SMSC 来查询用户信息, 在 data_sm消息中带有用户的 MSISDN。 S502. SMSC接收到查询消息后 ,将消息转换成 MAP—SRIJFOR—SM (短消息路由查询信息, 在 GSM规范中, SMSC利用此消息向 HLR查 询短消息接收方用户的路由),在该消息中携带接收端终端 MSISDN, 并 发送至 HLR。
S503.若处理查询消息成功, HLR返回用户的 IMSI以及拜访地 MSC 的号码(该号码唯一的标识了一个 MSC )。
S50. SMSC收到 MAP—SRI— FOR—SM的响应消息后, 将其转换成 data_sm响应消息 data— sm— resp返回给 MMSC。
对 SMPP3.4协议的 data— sm消息及其响应 data—sm— resp消息的扩展 在前面已有详细说明, 在此不再赘述。
步骤 S402: 发送方多媒体消息服务中心根据获取的接收方终端的 IMSI信息获取接收方终端归属的多媒体消息服务中心。
可以预先在发送方多媒体消息服务中心上配置 IMSI号码段与多媒 体消息服务中心的对应关系, 这样, 发送方多媒体消息服务中心根据获 取的接收方终端的 IMSI信息查询其存储的对应关系,获取接收方终端归 属的多媒体消息服务中心。
步骤 S403: 通过接收方终端归属的多媒体消息服务中心将发送方终 端提交的多媒体消息发送给接收方终端。
发送方多媒体消息服务中心获取接收方终端归属的多媒体消息服务 中心后, 判断该多媒体消息服务中心是否为本多媒体消息服务中心。 如 果是, 则本多媒体消息服务中心直接将发送方终端提交的多媒体消息发 送给接收方终端; 如果不是, 则本多媒体消息服务中心将发送方终端提 交的多媒体消息前转到所述接收方终端归属的多媒体消息服务中心, 由 其再发送给接收方终端。
利用本发明方法实现异地用户收发多媒体消息的流程如图 6所示:
5601. 发送方 MMSC接收到发送方终端发送的多媒体消息;
5602. 发送方 MMSC向发送方终端返回提交响应消息;
5603. 发送方 MMSC将接收方 MSISDN发送给 HLR查询接收方 IMSI信息; 5604. HLR将查询到的接收方用户信息(即 IMSI )发送给 MMSC; MMSC根据获取的 IMSI信息和在系统中静态配置的路由信息( IMSI 号码段和 MMSC的对应关系)判断接收方终端归属的 MMSC。 若归属 本 MMSC, 直接跳到第 7步; 否则, 进到第 5步, 通过 MM4接口将消 息前转到接收方 MMSC;
5605. 发送方 MMSC向接收方 MMSC发送前转请求消息;
5606. 接收方 MMSC收到发送方 MMSC发送的多媒体消息后, 向 发送方 MMSC返回前转响应消息;
5607. 接收方 MMSC向接收方终端下发多媒体消息通知;
S608. 接收方终端向接收方 MMSC发送多媒体消息通知响应消息;
S609 . 接收方 MMSC 等待接收方终端获取多媒体消息 (MMl_retrieve.REQ);
S610. 接收方 MMSC 下发多媒体消息到接收方终端(MM1一 retrieve.RES);
S611 . 接收方 MMSC 等待接收方终端 的 结果通知
(MM 1一 ackno wledgement.REQ);
S612.接收方 MMSC根据发送方在提交消息时的要求决定是否发送 递送 4艮告消息 (MM1一 delivery— repor REQ)给发送方终端; 如果发送方要 求发送递送报告 , 则向发送端 MMSC发送递送报告请求消息;
S613. 发送方 MMSC收到递送报告请求消息后, 向接收方 MMSC 返回递送报告响应消息;
S614. 发送方 MMSC将递送报告发送给发送方终端, 结束流程。 参照图 7, 图 7示出了本发明系统第一实施例的原理框图: 在该系统中, 信令网关 30通过 IP网络与发送方多媒体消息服务中 心 11相连, 通过无线网絡与归属位置寄存器 40相连。 发送方多媒体消 息服务中心 11与接收方多媒体消息服务中心 21通过 IP网络相连,采用 MM4协议交互, 承载协议为 SMTP (简单邮件传输协议); 发送方多媒 体消息服务中心 11与移动终端 10、 接收方多媒体消息服务中心 21与移 动终端 20之间通过 WAP (无线应用协议) 网关交互。 其中, 归属位置寄存器 40用于存储移动终端的用户信息; 信令网关 30用于实现多媒体消息服务中心与归属位置寄存器之间的数据传输。
在进行多媒体消息路由时,发送方多媒体消息服务中心 11通过信令 网关 30向归属位置寄存器 40查询并获取接收方移动终端的国际移动用 户识别码 IMSI。
为了获得接收方移动终端归属的多媒体消息服务中心,可以将 IMSI 号码段与各多媒体消息服务中心的对应关系存储在归属位置寄存器 40 中,当发送方多媒体消息服务中心 11向归属位置寄存器 S40查询接收方 移动终端 IMSI 时, 归属位置寄存器 40 不仅向其返回接收方移动终端 IMSI, 而且还将该 IMSI归属的多媒体消息服务中心返回给发送方多媒 体消息服务中心。
当然, 还可以在系统中设备一个单独的路由信息存储器, 如图 8中 的路由信息存储器 12, 与发送方多媒体消息服务中心相连, 存储 IMSI 号码段与各多媒体消息服务中心的对应关系。由于 IMSI与终端之间具有 ——对应的关系, 这样, 当发送方多媒体消息服务中心 11查询并获知接 收方移动终端 IMSI信息后, 根据路由信息存储器 12存储的信息即可得 到接收方移动终端归属的多媒体消息服务中心。 当然, 为了筒化网络结 构,还可将路由信息存储器 12集成在网络中每个发送方多媒体消息服务 中心上,通过预先配置,将 IMSI号码段与各多媒体消息服务中心的对应 关系存储到路由信息存储器。
在本发明系统的实际应用中, 为了充分利用现有网络设备, 减少投 资, 可以利用现有网络中存在的短消息服务中心和归属位置寄存器之间 已经存在的信息查询接口, 将短消息服务中心作为信令网关。 短消息服 务中心与多媒体消息服务中心之间的接口通过扩展 SMPP3.4协议实现, 短消息服务中心与归属位置寄存器之间的接口通过移动应用部分 ( MAP )协议实现。具体实现方式在前面已有详细说明,在此不再赘述。
虽然通过实施例描绘了本发明, 本领域普通技术人员知道, 本发明 有许多变形和变化而不脱离本发明的精神, 希望所附的权利要求包括这 些变形和变化而不脱离本发明的精神。

Claims

权 利 要 求
1、一种多媒体消息业务的消息路由方法, 其特征在于, 所述方法包 括步驟:
当发送方多媒体消息服务中心收到发送方终端提交的消息后, 通过 系统中的归属位置寄存器获取接收方终端的国际移动用户识别码 IMSI 信息;
发送方多媒体消息服务中心根据获取的接收方终端的 IMSI信息获 取接收方终端归属的多媒体消息服务中心;
通过所述接收方终端归属的多媒体消息服务中心将发送方终端提交 的多媒体消息发送给接收方终端。
2、 根据权利要求 1所述的方法, 其特征在于, 所述获取接收方终端 的 IMSI信息的步骤, 具体包括:
发送方多媒体消息服务中心根据发送方终端提交的消息获取接收方 终端的移动台国际综合业务数字网号码 MSISDN;
将接收方终端 MSISDN发送给所述归属位置寄存器查询接收方终端
IMSI信息;
所述归属位置寄存器将查询到的接收方 IMSI信息发送给发送方多 媒体消息服务中心。
3、 根据权利要求 2 所述的方法, 其特征在于, 所述将接收方终端 MSISDN发送给所述归属位置寄存器查询接收方终端 IMSI信息包括: 发送方多媒体消息服务中心通过扩展的短消息点对点协议 SMPP3.4 协议将接收方终端 MSISDN发送给短消息服务中心, 查询接收方终端 IMSI信息;
短消息服务中心接收到查询消息后, 将消息转换为路由请求消息发 送至所述归属位置寄存器。
4、 根据权利要求 3所述的方法, 其特征在于, 所述发送方多媒体消 息服务中心发送的扩展的 SMPP3.4协议为 data一 sm消息, 通过其扩展的 可选字段表示需要查询终端的 IMSI信息。
5、根据权利要求 2所述的方法, 其特征在于, 所述归属位置寄存器 将查询到的接收方 IMSI信息发送给发送方多媒体消息服务中心包括: 所述归属位置寄存器将查询到的接收方终端 IMSI信息通过路由请 求响应消息返回给短消息服务中心;
短消息服务中心通过扩展的 SMPP3.4协议将所述接收方终端 IMSI 信息返回给发送方多媒体消息服务中心。
6、根据权利要求 5所述的方法, 其特征在于, 所述短消息服务中心 发送的扩展的 SMPP3.4协议为 data—sm— resp消息, 通过其扩展的可选字 段表示接收方终端的 IMSI信息。
7、根据权利要求 1所述的方法, 其特征在于, 所述发送方多媒体消 息服务中心获取接收方终端归属的多媒体消息服务中心的步骤 , 具体包 括:
预先在所述发送方多媒体消息服务中心上配置 IMSI号码段与多媒 体消息服务中心的对应关系;
发送方多媒体消息服务中心根据获取的接收方终端的 IMSI信息查 询所述对应关系, 获取接收方终端归属的多媒体消息服务中心。
8、 一种多媒体消息业务的消息路由系统, 包括: 多媒体消息服务中 心, 其特征在于, 还包括: 归属位置寄存器和信令网关,
所述信令网关通过 IP网络与所述多媒体消息服务中心相连,通过无 线网络与所述归属位置寄存器相连; 所述归属位置寄存器用于存储移动 终端的用户信息; 所述信令网关用于实现多媒体消息服务中心与归属位 置寄存器之间的数据传输;
发送方多媒体消息服务中心通过所述信令网关向所述归属位置寄存 器查询并获取接收方移动终端的国际移动用户识别码 IMSI。
9、根据权利要求 8所述的系统,其特征在于,所述系统进一步包括: 路由信息存储器, 与所述多媒体消息服务中心相连, 用于存储 IMSI 号码段与各多媒体消息服务中心的对应关系。
10、 根据权利要求 9所述的系统, 其特征在于, 所述路由信息存储 器集成在发送方的多媒体消息服务中心上。
11、 根据权利要求 8所述的系统, 其特征在于, 所述信令网关为短 消息服务中心。
12、根据权利要求 11所述的系统, 其特征在于, 所述短消息服务中 心与所述多媒体消息服务中心之间的接口通过扩展 SMPP3.4协议实现。
13、根据权利要求 11所述的系统, 其特征在于, 所述短消息服务中 心与所述归属位置寄存器之间的接口通过移动应用部分 MAP协议实现。
PCT/CN2006/003568 2006-02-27 2006-12-25 Procédé et système d'acheminement de messages d'un service de messagerie multimédia WO2007095816A1 (fr)

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DE602006015925T DE602006015925D1 (de) 2006-02-27 2006-12-25 Verfahren und system zur nachrichtenlenkung eines multimedia-nachrichtendienstes
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ATE476839T1 (de) 2010-08-15
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