WO2007140687A1 - Procédé de filtrage de messages courts, système de traitement de signalisation et centre de service de messages courts - Google Patents

Procédé de filtrage de messages courts, système de traitement de signalisation et centre de service de messages courts Download PDF

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Publication number
WO2007140687A1
WO2007140687A1 PCT/CN2007/001105 CN2007001105W WO2007140687A1 WO 2007140687 A1 WO2007140687 A1 WO 2007140687A1 CN 2007001105 W CN2007001105 W CN 2007001105W WO 2007140687 A1 WO2007140687 A1 WO 2007140687A1
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WIPO (PCT)
Prior art keywords
short message
message
mobile station
local network
service center
Prior art date
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PCT/CN2007/001105
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English (en)
French (fr)
Inventor
Chaodong Zhong
Ningzhi Ma
Jiaming Ma
Xuan Wang
Zhongen Zheng
Original Assignee
Huawei Technologies Co., Ltd.
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Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38166511&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2007140687(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to ES07720678T priority Critical patent/ES2373990T3/es
Priority to CNA2007800004119A priority patent/CN101518106A/zh
Priority to EP07720678A priority patent/EP1895788B1/en
Priority to AT07720678T priority patent/ATE531215T1/de
Publication of WO2007140687A1 publication Critical patent/WO2007140687A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/58—Message adaptation for wireless communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/21—Monitoring or handling of messages
    • H04L51/212—Monitoring or handling of messages using filtering or selective blocking

Definitions

  • Short message filtering method Short message filtering method, signaling processing system, and short message service center
  • the present invention relates to a short message service (SMS) technology in a mobile communication network system, and in particular, to a short message filtering method, a signaling processing system, and a short message service center thereof.
  • SMS short message service
  • SMS Short message service
  • PLMN Public Land Mobile Network
  • the operator provides a short message filtering mechanism on the SMSC in the mobile communication system, so that the SMSC filters the short messages containing sensitive words, so as to ensure that the normal short message service is not received. At the same time, it effectively shields the negative impact of spam short messages on the majority of users.
  • the short message filtering mechanism provided by the SMSC can only filter the short message sent by the mobile station (MO, Mobile Originated) submitted to the SMSC, that is, only the short message sent by the local user to the local user and the local user can be sent to The short message of the foreign user is effectively filtered. Therefore, the short message filtering mechanism has inevitable limitations, especially for a short message sent by a foreign user to a local user or a short message sent by a foreign user to a local user.
  • MO Mobile Originated
  • SMSC Mobile Terminated
  • the embodiment of the present invention provides a short message filtering method, which solves the problem that the short message sent by a foreign user to a local user or to a local roaming user cannot be filtered in the prior art.
  • the embodiment of the present invention further provides a signaling processing system and a short message service center thereof.
  • the embodiment of the present invention provides a short message filtering method, including the steps of: routing a message sent by a foreign network to a local network to a signaling processing system of a local network; and the signaling processing system of the local network terminates the mobile station in the received message.
  • the message is forwarded to the short message service center of the local network; the short message service center of the local network filters the received mobile station termination short message; and the filtered legal mobile station termination short message is sent to the corresponding mobile switching center,
  • the mobile switching center delivers the received mobile station termination short message to the short message receiver.
  • the embodiment of the present invention provides a signaling processing system, including: a message receiving unit, configured to receive a message sent by a foreign network to a local network; and a message parsing and discriminating unit, configured to parse and receive the message received by the message receiving unit Whether the received message is a mobile station termination short message; the mobile station termination short message forwarding unit is configured to forward the mobile station termination short message to the local network when the message parsing discriminating unit discriminates that the received message is a mobile station termination short message Short message business center.
  • the embodiment of the present invention provides a short message service center, including: a mobile station termination short message receiving unit, configured to receive a mobile station termination short message sent by a signaling processing system; and a short message filtering unit, configured to terminate the mobile station short
  • the mobile station termination short message received by the message receiving unit is used for filtering processing; the short message forwarding unit is configured to forward the legal mobile station termination short message filtered by the short message filtering unit to the corresponding mobile switching center.
  • all the messages sent by the foreign network to the local network are translated and translated to the SPS of the local network, and the SPS of the local network analyzes the received message. If the non-MT short message is analyzed, the SPS will be ⁇ According to the MSC number it contains, the translation is directly routed to the corresponding destination MSC for normal processing; if the MT short message is analyzed, the STP through the local network is all transferred.
  • the short message filtering process is performed by the SMSC sent to the local network, so that the local network can be used as a foreign user to the message originator, and the MT short message of the local user or the foreign user roaming to the local destination can also perform short message filtering processing. This also better extends the limitations of existing short message filtering mechanisms.
  • FIG. 1 is a flowchart of an implementation principle of an embodiment of a short message filtering method according to the present invention
  • FIG. 2 is a schematic diagram showing a hierarchical structure of a signaling network shown in an embodiment
  • FIG. 3 is a schematic view showing a process of a specific implementation process of the method of the present invention.
  • FIG. 4 is a block diagram showing the structure of an embodiment of a signaling processing system according to the present invention.
  • FIG. 5 is a structural block diagram of an embodiment of a short message service center according to the present invention.
  • FIG. 6 is a schematic structural diagram of an embodiment of a short message service center according to the present invention after adding a capability for processing a routed message. detailed description
  • the embodiment of the present invention is directed to setting a short message filtering mechanism on the SMSC of the local network in the prior art, and filtering only the short message sent by the local user to the local user and the short message sent by the local user to the foreign user, but for the field
  • the short message sent by the user to the local user and the short message sent by the user to the local user cannot perform the effective filtering process, thereby proposing a technical solution to realize the short message sent by the foreign user to the local user and
  • the short message sent by the foreign user to the user roaming to the local area performs filtering processing, thereby expanding the limitation of the existing short message filtering mechanism.
  • the SMSC and the Signal Processing System (SPS) in the local network are respectively improved, so that the two processes are cooperatively processed, so that the SMSC of the local network is the foreign user of the message originator, and the message is received.
  • Party for local users or roaming to the local The MT message of the foreign user performs short message filtering processing.
  • FIG. 1 is a flowchart of an implementation principle of a short message filtering method according to the present invention.
  • the implementation process is as follows:
  • Step 10 Routing the message sent by the foreign network to the local network to the SPS of the local network, where the global code (GT, Global Title) translation data of the upper layer signaling transfer point in the signaling network structure may be set.
  • the routing of the message sent by the foreign network to the local network to the local network is exemplified by a signaling network using a three-level structure.
  • the first level is the highest level of the signaling network, which is called the advanced signaling transfer point (HSTP, High-level Signaling Transfer Point ), the second level is called Low-level Signaling Transfer Point (LSTP), and the third level is Signaling Point (SP), where each signaling point SP It is composed of various exchanges and special service centers.
  • HSTP advanced signaling transfer point
  • LSTP Low-level Signaling Transfer Point
  • SP Signaling Point
  • the relevant modification may be performed by setting the GT translation data of the HSTP or LSTP in the signaling network structure to send the short message.
  • Messages to the local MSC are translated to the SPS of the local network for processing.
  • Step 20 The SPS of the local network will receive the MT short message in the message (including a short message sent by the foreign user to the local user, or a short message sent by the foreign user to the foreign user roaming to the local) Forwarding to the SMS of the local network ;
  • the SPS of the local network can obtain the MT short message contained in the received message by parsing the received message, and the SPS can also obtain the non-MT short message included in the process of parsing the received message, so that the SPS can be short according to the acquired non-MT.
  • the destination MSC number included in the message forwards the non-MT short message to the corresponding MSC for processing. That is, the SPS of the local network receives the signaling message of the local network MSC that is forwarded by the HSTP or the LSTP as the receiving address, and then parses the parsed MT message through the local network signaling transfer point (STP).
  • STP local network signaling transfer point
  • the Signaling Transfer Point is forwarded to the SMSC of the local network for processing; and the parsed non-MT message is directly translated and routed to the corresponding MSC according to the destination MSC number it contains for normal processing.
  • Step 30 The SMSC of the local network performs filtering processing on the MT short message forwarded by the SPS, where filtering the MT short message refers to determining whether the MT short message is a legal MT by matching whether the short message content contains some sensitive words.
  • the short message is still a garbage MT short message, wherein the specific sensitive word required to be matched can be determined by the operator; the destination MSC number is sent to the corresponding MSC for processing, and then the MSC further receives the received MT short message.
  • the receiver IMSI information included in the received MT short message is sent to the corresponding recipient user.
  • the MSC that subsequently sends the MT short message may further report the delivery result information of the issued MT short message to the SMSC of the local network, and the SMSC of the local network further feeds back the received delivery result information to the foreign network corresponding to the sent message. SMSC;
  • the SMSC of the local network filters the MT short message forwarded by the SPS and finds that the MT short message is a garbage short message, it should also send a failure message to the SMSC of the foreign network SMSC that sent the message.
  • the processing of the foregoing steps 30 and 40 is: if the SMSC of the local network finds the garbage MT short message when filtering the MT short message forwarded by the local network SPS, the destination MSC to which the MT short message is to be sent is simulated. The delivery failure message is returned to the SMSC of the foreign network that sends the message, and the delivery failure message value may be pre-configured. If the SMSC of the local network detects the MT short message forwarded by the local network SPS, it is found to be a legal MT short message.
  • the legal MT short message already contains the IMSI number and the destination MSC number of the short message receiver, it is directly
  • the SMT of the local network sends the legal MT short message directly to the destination MSC, without first obtaining the routing information from the Home Location Register (HLR), and then the destination MSC sends the MT short message according to the obtained routing information.
  • HLR Home Location Register
  • the destination MSC can further reply the downlink short message sending result information to the SMSC of the local network through the STP of the local network after the MT short message is sent, and the SMSC of the local network receives the received message again.
  • the delivery result information is replied to the foreign network SMSC corresponding to the outgoing message.
  • FIG. 3 is a schematic diagram of a specific implementation process of the method of the present invention, and its implementation The process is as follows:
  • the SMSC of the foreign network sends MT messages to local users or roaming to local users;
  • HSTP or LSTP finds that the message is addressed by the MSC number of the local network, and the message GT translation is routed to the SPS of the local network for processing according to the pre-configured routing data (GT translation data);
  • the SPS of the local network parses the received message, and if it is confirmed that the message is a MT message sent by the foreign user to the local user or to the user roaming to the local, the message is directly forwarded to the local SMSC for processing;
  • the SMSC of the local network filters the MT short message forwarded by the SPS of the local network. If the MT short message is found to be a garbage short message after filtering, the destination MSC to which the garbage short message is to be sent is sent to send a message. The SMSC of the foreign network is sent back to the SMS.
  • the SMSC of the local network filters the MT short message forwarded by the SPS of the local network, and if the MT short message is a legal short message after filtering, the local MSC number included in the legal MT short message is transmitted through the local network.
  • the STP sends the legal MT short message to the destination MSC, and the destination MSC sends the MT short message to the corresponding receiver user (MS) according to the IMSI information of the short message receiver user included in the MT short message. ;
  • the STP of the local network feeds back the downlink short message delivery result information to the SMSC of the local network;
  • the SMSC of the local network feeds back the received short message delivery result information to the SMSC of the foreign network that sent the message.
  • the SMSC in the local network can perform the following operations in addition to filtering the MT short message forwarded by the SPS in the local network and feeding back the short message to the SMSC of the foreign network that sends the message. :
  • each MO short message to each MT short message forwarded by the SPS in the local network, where the MO bill is the SMSC of the local network records the details of each short message it receives, including the sender and the The recipient's number, message content, etc. If the SMSC in the local network is filtering If an error occurs during the short message, the cause of the error is recorded in the MO bill; if the filtering of the short message is completed, the filtering result is recorded in the MO bill; wherein the receiver of the original MT short message is saved in the MO bill. Information such as the IMSI number and the SMSC number of the foreign originator.
  • the SMSC After receiving the delivery result message (successful delivery or delivery failure response message) returned by the destination MSC, the SMSC is responsible for forwarding the delivery result message to the foreign SMSC that sent the message. In this process, if the delivery result information fails to be delivered due to the disconnection of the interface, or the timeout message is not received by the destination MSC, the SMSC of the local network will simulate the destination MSC to send a message. The foreign SMSC returns a response message to indicate that an error has occurred.
  • the SMSC of the local network does not allow other foreign SMSCs to send messages to the local user during the process of forwarding the multi-message message sent by the foreign SMSC to the local user, that is, if SMSC A is sending a multi-message message to the receiver user C, SMSC B also sends a message to the receiver user C before the SMSC A indicates the end of the multi-message message, and the local SMSC returns the error code to the SMSC B for the analog destination MSC, the error reason is that the receiver user is busy.
  • the multi-message message is to send multiple messages in a delivery process, for example, when the receivers of multiple messages in the SMSC are the same user, the messages can be sent to the user in a delivery process.
  • the routing information is obtained only when the first message is sent, and the subsequent information is directly sent by using the routing information obtained when the first message is delivered.
  • the SMSC of the local network will simulate the destination MSC to return an error response message to the foreign SMSC that sent the message.
  • SMSC Send Routing Information
  • the SMSC of the local network receives the SRI message sent by the foreign network for acquiring the current specific location information of the local user, regardless of whether the local user to be acquired is at the home or roaming To other foreign networks, construct this The local user's IMSI number is filled in the SRI response message (where the SMSC constructs the local user's IMSI number is an existing well-known technology, and will not be described here too much), and the SMSC uses its own number information as the current user's current location.
  • the MSC number of the location is also filled in the SRI response message; the SMSC center of the local network feeds back the padding SRI response message to the foreign network that sends the SRI message, so that when the foreign user sends the MT short message to the local user,
  • the MT short message sent by the foreign user to the local user will be directly sent to the SMSC of the local network, and then filtered by the SMSC of the local network, regardless of whether the local user is at the home or other roaming place. It will not be sent directly to the current roaming location of the local user, which may result in the local user's current roaming location not filtering the short message.
  • the embodiment of the present invention modifies the GT translation data of the HSTP or the LSTP in the signaling network structure, so that all the messages whose destination addresses are the local network MSC are translated and translated to the SPS of the local network, and the local network
  • the SPS analyzes the received message. If it is analyzed as a non-MT short message, the SPS will directly translate its translation to the corresponding destination MSC according to the destination MSC number it contains. If it is analyzed as an MT short message, The STPs of the local network are all forwarded to the SMSC of the local network for short message filtering processing, thereby realizing that the local network sends the message to the foreign user, and the message receiver is the local user or the MT short message roaming to the local foreign user.
  • the short message filtering process can be performed, so the limitation of the existing short message filtering mechanism is better expanded.
  • FIG. 4 it is a structural block diagram of an embodiment of a signaling processing system according to the present invention, including The message receiving unit 100, the message parsing discriminating unit 110, the mobile station terminating short message forwarding unit 120, and the non-mobile station terminating short message forwarding unit 130, wherein the specific functions of the respective constituent units are as follows:
  • the message receiving unit 100 is configured to receive a message sent by the foreign network to the local network.
  • the message parsing discriminating unit 110 is configured to parse the message received by the message receiving unit 100 to determine whether the received message is an MT short message;
  • the mobile station terminates the short message forwarding unit 120 for discriminating in the message parsing discriminating unit 110
  • the MT short message is forwarded to the SMSC of the local network
  • the non-mobile station terminating short message forwarding unit 130 is configured to determine, by the message parsing discriminating unit 110, the message receiving unit 100.
  • the non-MT short message is forwarded to the corresponding MSC according to the destination MSC number information included in the non-MT short message.
  • a short message service center SMSC is further proposed.
  • FIG. 5 it is a structural block diagram of an embodiment of a short message service center according to the present invention, including Mobile station termination short message receiving unit 200, short message filtering unit
  • the mobile station termination short message receiving unit 200 is configured to receive an MT short message forwarded by the signaling processing system SPS of the local network;
  • the short message filtering unit 210 is configured to perform filtering processing on the MT short message received by the mobile station termination short message receiving unit 200;
  • the short message forwarding unit 220 is configured to forward the legal MT short message filtered by the short message filtering unit 210 to the corresponding destination MSC according to the destination MSC number information included therein;
  • the delivery failure message feedback unit 230 is configured to feed back a corresponding short message delivery failure message to the foreign network SMSC corresponding to the sent message when the short message filtering unit 210 filters the garbage MT short message.
  • FIG. 6 is a structural block diagram of an embodiment of the short message service center according to the present invention, which adds the capability of processing a routing message.
  • the method further includes a routing message receiving unit. 240.
  • the routing message receiving unit 240 is configured to receive an SRI message sent by the foreign network for acquiring local specific location information of the local user.
  • the user number constructing unit 250 is configured to construct an IMSI number of the local user when the routing message receiving unit 240 receives the SRI message;
  • the route reply message filling unit 260 is configured to use the IMSI constructed by the user number constructing unit 250. The number is filled in the corresponding SRI response message, and the SMSC number is also used as the MSC number of the current location of the local user, and the corresponding SRI response message is also filled in;
  • the route response message feedback unit 270 is configured to feed back the corresponding SRI response message after the route response message filling unit 260 is filled to the foreign network that sends the SRI message.

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Description

短消息过滤方法、 信令处理系统和短消息业务中心 技术领域
本发明涉及移动通信网络系统中的短消息业务 （SMS， Short Message Service )技术， 尤其是涉及一种短消息过滤方法、 信令处理系统及其短消息 业务中心。 背景技术
目前短消息业务（SMS， Short Message Service )作为一种通信增值业务 为广大用户带来了通信便利的同时， 也给运营商创造了巨大的经济效益。 在 实现 SMS业务的移动通信系统中， 短消息业务中心（SMSC, Short Message Service Center )通过信令网关链接到信令转接点 （STP, Signaling Transfer Point ), 从而实现接入到公共陆地移动网络 （PLMN , Public Land Mobile Network ) 中， 以完成 SMS业务的应用。
但是伴随着 SMS业务的不断被广泛应用， 社会上出现了一些不法分子利 用 SMS业务发送垃圾短消息的现象， 给广大用户造成了极大的不便和反感。 为了避免垃圾短消息所造成的不良影响， 运营商在移动通信系统中的 SMSC 上提供了短消息过滤机制， 使得 SMSC对含有敏感字眼的短消息进行过滤处 理， 这样在保证正常短消息业务不受到影响的同时， 有效的屏蔽了垃圾短消 息为广大用户所带来的负面影响。
然而目前 SMSC所提供的短消息过滤机制只能对提交到 SMSC的移动台发 起（MO, Mobile Originated )短消息进行过滤处理， 即只能对本地用户发往 本地用户的短消息和本地用户发往外地用户的短消息进行有效过滤， 因此这 种短消息过滤机制存在着不可避免的局限性， 特别是对于外地用户发往本地 用户的短消息或外地用户发往漫游到本地的用户的短消息， 由于这类短消息 在发送到本地网络的移动交换中心（ MSC , Mobile Switching Center )之前并 不会被转发到本地网络中的 SMSC , 因此这类由外地用户发往本地网络的移动 台终止（MT, Mobile Terminated )短消息将得不到本地网络中的 SMSC的过滤 处理。 发明内容
本发明实施例提出一种短消息过滤方法， 以解决现有技术中不能实现对 外地用户发往本地用户或发往本地漫游用户的短消息进行过滤的问题。
相应的， 本发明实施例还提出了一种信令处理系统及其短消息业务中心。 本发明实施例提出一种短消息过滤方法， 包括步骤： 将外地网络发往本 地网络的消息路由至本地网絡的信令处理系统； 本地网络的信令处理系统将 接收消息中的移动台终止短消息转发至本地网络的短消息业务中心； 本地网 络的短消息业务中心对接收到的移动台终止短消息进行过滤； 以及将过滤出 的合法移动台终止短消息发送到对应的移动交换中心， 由所述移动交换中心 将接收到的移动台终止短消息下发给短消息接收方。
本发明实施例提出一种信令处理系统， 包括： 消息接收单元， 用于接收 外地网络发往本地网络的消息； 消息解析判别单元， 用于通过对消息接收单 元接收到的消息进行解析判别接收到的消息是否为移动台终止短消息； 移动 台终止短消息转发单元， 用于在消息解析判别单元判别出接收到的消息为移 动台终止短消息时， 将移动台终止短消息转发到本地网络的短消息业务中心。
本发明实施例提出一种短消息业务中心， 包括： 移动台终止短消息接收 单元， 用于接收信令处理系统发来的移动台终止短消息； 短消息过滤单元， 用于对移动台终止短消息接收单元接收到的移动台终止短消息进行过滤处 理； 短消息转发单元， 用于将短消息过滤单元过滤出的合法移动台终止短消 息转发到对应的移动交换中心。
本发明实施例通过将外地网络发往本地网络的消息全部均翻译路由至本 地网络的 SPS,本地网络的 SPS对接收到的消息进行分析， 若分析出为非 MT 短消息，则 SPS将^^据其包含的目的 MSC号码直接将其翻译路由至相应的目 的 MSC进行正常处理；若分析出为 MT短消息则通过本地网路的 STP全部转 发至本地网络的 SMSC进行短消息过滤处理， 从而实现了本地网络对消息发 起方为外地用户， 消息接收方为本地用户或漫游到本地的外地用户的 MT短 消息也能够进行短消息过滤处理， 由此也较好的扩展了现有短消息过滤机制 的局限性。 附图说明
图 1为本发明短消息过滤方法的实施例实现原理流程图；
图 2为一个实施例所示的信令网等级结构示意图；
图 3为本发明方法的具体实施处理过程示意图；
图 4为本发明提出的信令处理系统的实施例组成结构框图；
图 5为本发明提出的短消息业务中心的实施例组成结构框图；
图 6为本发明提出的短消息业务中心增加对取路由消息处理能力后的实 施例组成结构 ^匡图。 具体实施方式
本发明实施例针对现有技术中在本地网络的 SMSC设置短消息过滤机制 只能对本地用户发往本地用户的短消息、 及其本地用户发往外地用户的短消 息进行过滤处理， 而对于外地用户发往本地用户的短消息、 及其外地用户发 往漫游到本地的用户的短消息不能执行有效过滤处理的问题， 从而提出一种 技术方案以实现对外地用户发往本地用户的短消息及外地用户发往漫游到本 地的用户的短消息都执行过滤处理， 以此来扩展现有短消息过滤机制的局限 性。
下面将结合各个附图对本发明技术方案的实现原理、 具体实施方式及其 对应能够达到的有益效果进行详细的阐述。
本发明实施例是对本地网络中的 SMSC 和信令处理系统（SPS, Signal Process System )分别进行改进， 以使二者进行协同处理从而实现本地网络的 SMSC对消息发起方为外地用户， 消息接收方为本地用户或者漫游到本地的 外地用户的 MT消息进行短消息过滤处理。
请参照图 1 , 该图是本发明短消息过滤方法的实施例实现原理流程图， 其 实现过程如下：
步骤 10, 将外地网络发往本地网络的消息路由至本地网络的 SPS, 其中 可以通过对信令网结构中的上层信令转接点的全局码 （GT, Global Title )翻 译数据进行设置来实现将外地网络发往本地网络的消息路由至本地网络的 以一个采用三级结构的信令网为例， 其中第一级是信令网的最高级， 称 为高级信令转接点 （HSTP, High-level Signaling Transfer Point ), 第二級称为 低级信令转接点 （LSTP， Low-level Signaling Transfer Point ), 第三级为信令 点 （SP, Signaling Point ), 其中各个信令点 SP具体由各种交换局和特种服务 中心组成， 其具体的信令网等级结构请参照图 2。
为了实现将外地网络发往本地网络的短消息同样拦截到本地网络中的 SMSC进行过滤处理， 可以通过对信令网结构中的 HSTP或 LSTP的 GT翻译 数据设置进行相关修改， 以把本应发送到本地 MSC的消息均翻译路由至本地 网络的 SPS进行处理。
步骤 20 , 本地网络的 SPS将接收消息中的 MT短消息 （包括由外地用户 发往本地用户的短消息， 或由外地用户发往漫游到本地的外地用户的短消息） 转发至本地网络的 SMS;
其中本地网络的 SPS 可以通过对接收消息进行解析以获取其中包含的 MT短消息， SPS在对接收消息进行解析过程中还可以获取其中包含的非 MT 短消息，这样 SPS可以根据获取的非 MT短消息中包含的目的 MSC号码将该 非 MT短消息转发至对应的 MSC处理。 即本地网络的 SPS接收到 HSTP或 LSTP转发来的以本地网络的 MSC为接收地址的信令消息后， 对其进行解析 处理，将解析出的 MT消息通过本地网络的信令转接点（ STP , Signaling Transfer Point )转发至本地网络的 SMSC进行处理； 而将解析出的非 MT消息根据其 包含的目的 MSC号码直接翻译路由至相应的 MSC进行正常处理。 步骤 30, 本地网络的 SMSC对 SPS转发来的 MT短消息进行过滤处理， 其中对 MT短消息进行过滤处理是指通过匹配短消息内容中是否含有某些敏 感字眼来确定 MT短消息是否为合法 MT短消息， 还是为垃圾 MT短消息， 其中所要求匹配的具体敏感字眼可以由运营商来确定； 的目的 MSC号码将其发送到对应的 MSC处理，然后由该 MSC进而根据接收 到的 MT短消息中包含的接收方 IMSI信息，将接收 MT短消息下发给对应的 接收方用户。
后续下发 MT短消息的 MSC还可以进而将下发 MT短消息的下发结果信 息上报给本地网络的 SMSC, 本地网络的 SMSC进而将接收到的下发结果信 息反馈给对应发出消息的外地网络 SMSC;
若本地网络的 SMSC对 SPS转发来的 MT短消息进行过滤处理时发现 MT短消息为垃圾短消息， 则还应向发出消息的外地网络 SMSC反馈短消息 下发失败消息。
上述步骤 30和步骤 40的处理过程即为： 如果本地网络的 SMSC对本地 网络 SPS转发来的 MT短消息进行过滤处理时发现为垃圾 MT短消息， 则将 模拟 MT短消息所要发送到的目的 MSC向发出消息的外地网络 SMSC返回下 发失败消息， 该下发失败消息值可预先配置。 如果本地网络的 SMSC对本地 网络 SPS转发来的 MT短消息进行过滤处理时发现为合法 MT短消息， 由于 该合法 MT短消息已经包含了短消息接收方的 IMSI号码和目的 MSC号码， 因此就直接通过本地网络的 STP将合法 MT短消息直接下发至目的 MSC, 而 不用先向位置归属寄存器（HLR, Home Location Register ) 取路由信息， 再 由目的 MSC根据所取得的路由信息将 MT短消息下发至短消息接收用户 ( MS ); 目的 MSC在下发 MT短消息后还可以进而通过本地网络的 STP向本 地网络的 SMSC回复 MT短消息的下发结果信息， 本地网络的 SMSC再将接 收到的下发结果信息回复至对应发出消息的外地网络 SMSC。
请参照图 3 , 该图是本发明方法的具体实施处理过程示意图， 其具体实施 过程如下：
A. 外地网络的 SMSC向本地用户或漫游至本地的用户发送 MT消息；
B. HSTP或 LSTP发现有消息以本地网络的 MSC号码进行寻址， 则根 据预先配置的路由数据（GT翻译数据）将该消息 GT翻译路由至本地网络的 SPS进行处理；
C. 本地网络的 SPS解析该接收到的消息， 如果确认为该消息为外地用户 发往本地用户或发往漫游到本地的用户的 MT消息， 则直接将该消息转发给 本地 SMSC处理；
D. 本地网络的 SMSC对本地网络的 SPS转发来的 MT短消息进行过滤处 理， 如果经过过滤处理发现 MT短消息为垃圾短消息， 则将模拟该垃圾短消 息要发送到的目的 MSC向发出消息的外地网络 SMSC返馈短消息下发失败消 台 .
E. 本地网络的 SMSC对本地网络的 SPS转发来的 MT短消息进行过滤处 理， 如果经过过滤处理发现 MT短消息为合法短消息， 则根据该合法 MT短 消息中包含的目的 MSC号码通过本地网络的 STP将该合法 MT短消息发送至 目的 MSC, 再由目的 MSC根据该 MT短消息中包含的短消息接收方用户的 IMSI信息， 将该 MT短消息下发至对应的接收方用户 （MS );
F. 目的 MSC 下发 MT短消息后， 通过本地网络的 STP向本地网络的 SMSC反馈 MT短消息的下发结果信息；
G.本地网络的 SMSC将接收到的短消息下发结果信息反馈给发出消息的 外地网络的 SMSC。
其中本地网络中的 SMSC在完成对本地网络中的 SPS转发来的 MT短消 息进行过滤处理及其向发出消息的外地网络的 SMSC反馈短消息下发结果信 息之外， 还可以进而完成下述工作：
1. 对本地网络中的 SPS转发来的每条 MT短消息都分别写 MO话单，其 中 MO话单是本地网络中的 SMSC记录它接收到的每条短消息的详细内容， 包括发送方和接收方的号码， 消息内容等。 如果本地网络中的 SMSC在过滤 短消息过程中发生错误， 则在 MO话单中相应记录错误原因； 如果完成短消 息的过滤处理， 则在 MO话单中记录过滤结果； 其中 MO话单中保存原始的 MT短消息的接收方 IMSI号码和外地发起方的 SMSC号码等信息。
2、 收到目的 MSC返回的下发结果消息（下发成功或下发失败应答消息） 后， SMSC负责将该下发结果消息转发给发出消息的外地 SMSC。在这个过程 中若因为接口断连等原因所导致的该下发结果信息下发失败， 或者超时没有 接收到目的 MSC反馈的下发结果消息，则本地网络的 SMSC将模拟目的 MSC 向发出消息的外地 SMSC返回一个应答消息以指示有错误发生。
3、本地网络的 SMSC在转发外地 SMSC给本地用户发来的的多发消息过 程中不允许其它外地的 SMSC再给该本地用户发送消息， 即如果 SMSC A正 在给接收方用户 C发送多发消息， SMSC B在 SMSC A指示多发消息结束之 前也给接收方用户 C发送消息， 本地 SMSC将模拟目的 MSC向 SMSC B返 回错误码， 错误原因为接收方用户忙。 其中多发消息是指在一个下发流程中 下发多条消息， 例如： 当 SMSC中多条消息的接收方为同一个用户时， 则可 以在一个下发流程中向该用户下发这些消息， 只需在第一条消息下发时取路 由信息， 后续的消息直接使用第一条消息下发时取到的路由信息进行下发处 理。
4、本地网络的 SMSC发生内部错误导致 MT短消息不能正常下发时， 或 短消息过滤失败或者超时时，本地网络的 SMSC将模拟目的 MSC向发出消息 的外地 SMSC返回错误应答消息。
如果在上述处理过程中本地网络不对外地网络发来的取路由消息 （ SRI, Send Routing Information )进行拦截， 则当本地用户漫游到外地时， 其他外地 用户向该本地用户发送 MT短消息时， 则会产生由于 MT短消息无法经过本 地网络的 SPS而到达本地网络的 SMSC, 因此就达不到对 MT短消息进行过 滤的目的。 为了解决这个问题， 本发明实施例中规定若本地网络的 SMSC接 收到外地网络发来的用于获取本地用户当前具体位置信息的 SRI消息时， 不 管要获取的该本地用户是否处于归属地还是漫游到其他外地网络， 都构造该 本地用户的 IMSI号码并填入 SRI应答消息中 (其中 SMSC构造本地用户的 IMSI号码是现有的公知技术， 这里不再过多赘述）， 此外 SMSC将自身的号 码信息作为该本地用户当前所处位置的 MSC号码也填入到该 SRI应答消息 中； 本地网络的 SMSC中心将上述填充处理后的 SRI应答消息反馈给该发出 SRI消息的外地网络，这样当外地用户向该本地用户发送 MT短消息时，无论 该本地用户是否在归属地还是在其他漫游地， 外地用户向该本地用户发送的 MT短消息都将直接发送到本地网络的 SMSC，进而由本地网络的 SMSC对其 进行过滤处理。 而不会直接发送到该本地用户的当前漫游地， 由此可能导致 本地用户的当前漫游地不能对该短消息进行过滤。
综上可见，本发明实施例通过对信令网结构中的 HSTP或 LSTP的 GT翻 译数据进行修改，从而实现把所有目的地址为本地网络 MSC的消息均翻译路 由至本地网络的 SPS, 本地网络的 SPS对接收到的消息进行分析， 若分析出 为非 MT短消息，则 SPS将根据其包含的目的 MSC号码直接将其翻译路由至 相应的目的 MSC进行正常处理； 若分析出为 MT短消息则通过本地网路的 STP全部转发至本地网络的 SMSC进行短消息过滤处理， 从而实现了本地网 络对消息发起方为外地用户， 消息接收方为本地用户或漫游到本地的外地用 户的 MT短消息也能够进行短消息过滤处理， 因此较好的扩展了现有短消息 过滤机制的局限性。
相应于本发明实施例上述提出的短消息过滤方法， 这里还进而提出了一 种信令处理系统 SPS, 如图 4所示， 为本发明提出的信令处理系统的实施例 组成结构框图， 包括消息接收单元 100、 消息解析判别单元 110、 移动台终止 短消息转发单元 120和非移动台终止短消息转发单元 130,其中各个组成单元 的具体作用如下：
消息接收单元 100, 用于接收外地网络发往本地网络的消息；
消息解析判别单元 110,用于通过对上述消息接收单元 100接收到的消息 进行解析， 以判别接收到的消息是否为 MT短消息；
移动台终止短消息转发单元 120,用于在上述消息解析判别单元 110判别 出接收到的消息为 MT短消息时， 将 MT短消息转发到本地网络的 SMSC; 非移动台终止短消息转发单元 130,用于在上述消息解析判别单元 110判 别出消息接收单元 100接收到的消息为非 MT短消息时， 根据该非 MT短消 息中包含的目的 MSC号码信息将该非 MT短消息转发至对应的 MSC。
相应于本发明实施例上述提出的短消息过滤方法， 这里还进而提出了一 种短消息业务中心 SMSC, 如图 5所示， 为本发明提出的短消息业务中心的 实施例組成结构框图， 包括移动台终止短消息接收单元 200、短消息过滤单元
210、 短消息转发单元 220和下发失败消息反馈单元 230, 其中各个组成单元 的具体作用如下：
移动台终止短消息接收单元 200,用于接收本地网络的信令处理系统 SPS 转发来的 MT短消息；
短消息过滤单元 210，用于对上述移动台终止短消息接收单元 200接收到 的 MT短消息进行过滤处理；
短消息转发单元 220, 用于将上述短消息过滤单元 210过滤出的合法 MT 短消息根据其包含的目的 MSC号码信息将其转发到对应的目的 MSC;
下发失败消息反馈单元 230,用于在上述短消息过滤单元 210过滤到垃圾 MT短消息时， 向对应发出消息的外地网络 SMSC反馈相应的短消息下发失 败消息。
请参照图 6,该图是本发明提出的短消息业务中心增加对取路由消息处理 能力后的实施例组成结构框图， 其在上述图 5 的组成结构基础上， 还进而包 括取路由消息接收单元 240、 用户号码构造单元 250、 取路由应答消息填充单 元 260和取路由应答消息反馈单元 270, 其中：
取路由消息接收单元 240,用于接收外地网络发来的用于获取本地用户当 前具体位置信息的 SRI消息；
用户号码构造单元 250,用于在取路由消息接收单元 240接收到 SRI消息 时， 构造该本地用户的 IMSI号码；
取路由应答消息填充单元 260,用于将用户号码构造单元 250构造的 IMSI 号码填入对应的 SRI应答消息中， 并将 SMSC号码作为该本地用户当前所处 位置的 MSC号码也填入该对应的 SRI应答消息中；
取路由应答消息反馈单元 270,用于将取路由应答消息填充单元 260填充 处理后的对应 SRI应答消息反馈给发出 SRI消息的外地网络。
其中本发明实施例这里提出的 SPS和 SMSC的其他相关技术实现细节请 参照本发明实施例上述方法中的相关扶术实现细节描述， 这里不再给以过多 赘述。
显然， 本领域的技术人员可以对本发明进行各种改动和变型而不脱离本 发明的精神和范围。 这样， 倘若本发明的这些修改和变型属于本发明权利要 求及其等同技术的范围之内， 则本发明也意图包含这些改动和变型在内。

Claims

权 利 要 求
1、 一种短消息过滤方法， 其特征在于， 包括步骤：
将外地网络发往本地网絡的消息路由至本地网络的信令处理系统； 本地网络的信令处理系统将接收消息中的移动台终止短消息转发至本地 网络的短消息业务中心；
本地网絡的短消息业务中心对接收到的移动台终止短消息进行过滤； 并 将过滤出的合法移动台终止短消息发送到对应的移动交换中心， 由所述 移动交换中心将接收到的移动台终止短消息下发给短消息接收方。
2、 如权利要求 1所述的方法， 其特征在于， 通过对信令网结构中的上层 信令转接点的全局码翻译数据进行设置实现将外地网络发往本地网络的消息 路由至本地网络的信令处理系统。
3、 如权利要求 1所述的方法， 其特征在于， 本地网络的信令处理系统通 过对接收消息进行解析获取其中包含的移动台终止短消息。
4、 如权利要求 3所述的方法， 其特征在于， 还包括步骤：
本地网络的信令处理系统通过对接收消息进行解析还获取其中包含的非 移动台终止短消息； 以及
根据获取的非移动台终止短消息中包含的目的移动交换中心号码将所述 非移动台终止短消息转发至对应的移动交换中心,处理。
5、 如权利要求 1所述的方法， 其特征在于， 本地网络的短消息业务中心 才艮据合法移动台终止短消息中包含的目的移动交换中心号码将合法移动台终 止短消息发送到对应的移动交换中心； 以及
所述移动交换中心根据接收到的移动台终止短消息中包含的接收方国际 移动台识别码将移动台终止短消息下发给对应的短消息接收方。
6、 如权利要求 1所述的方法， 其特征在于， 还包括步骤：
所述移动交换中心将移动台终止短消息的下发结果信息上报给本地网络 的短消息业务中心； 以及 本地网络的短消息业务中心将接收到的下发结果信息反馈给对应发出消 息的外地网絡短消息业务中心。
7、 如权利要求 1所述的方法， 其特征在于， 还包括步骤：
本地网絡的短消息业务中心过滤到垃圾移动台终止短消息时， 向对应发 出消息的外地网络短消息业务中心反馈短消息下发失败消息。
8、 如权利要求 1所迷的方法， 其特征在于， 还包括步骤：
本地网络的短消息业务中心接收到外地网络发来的用于获取本地用户当 前具体位置信息的取路由消息时， 构造所述本地用户的国际移动台识别码填 入取路由应答消息中； 以及
将自身号码信息作为所述本地用户当前所处位置的移动交换中心号码填 入取路由应答消息中；
本地网络的短消息业务中心将填充处理后的取路由应答消息反馈给发出 取路由消息的外地网络。
9、 一种信令处理系统， 其特征在于， 包括：
消息接收单元， 用于接收外地网络发往本地网络的消息；
消息解析判别单元， 用于通过对消息接收单元接收到的消息进行解析判 别接收到的消息是否为移动台终止短消息；
移动台终止短消息转发单元， 用于在消息解析判别单元判别出接收到的 消息为移动台终止短消息时， 将移动台终止短消息转发到本地网络的短消息 业务中心。
10、 如权利要求 9所述的系统， 其特征在于， 还包括非移动台终止短消 息转发单元， 用于在消息解析判别单元判别出消息接收单元接收到的消息为 非移动台终止短消息时， 根据非移动台终止短消息中包含的目的移动交换中 心号码将非移动台终止短消息转发至对应的移动交换中心。
11、 一种短消息业务中心， 其特征在于， 包括：
移动台终止短消息接收单元， 用于接收信令处理系统发来的移动台终止 短消息； 短消息过滤单元， 用于对移动台终止短消息接收单元接收到的移动台终 止短消息进行过滤处理；
短消息转发单元， 用于将短消息过滤单元过滤出的合法移动台终止短消 息转发到对应的移动交换中心。
12、 如权利要求 11所述的短消息业务中心， 其特征在于， 还包括下发失 败消息反馈单元， 用于在短消息过滤单元过滤到垃圾移动台终止短消息时， 向对应发出消息的外地网络短消息业务中心反馈短消息下发失败消息。
13、 如权利要求 11所述的短消息业务中心， 其特征在于， 还包括： 取路由消息接收单元， 用于接收外地网络发来的用于获取本地用户当前 具体位置信息的取路由消息；
用户号码构造单元， 用于在取路由消息接收单元接收到取路由消息时， 构造所述本地用户的国际移动台识别码；
取路由应答消息填充单元， 用于将用户号码构造单元构造的国际移动台 识别码填入取路由应答消息， 并将短消息业务中心号码作为所述本地用户当 前所处位置的移动交换中心号码填入取路由应答消息；
取路由应答消息反馈单元， 用于将取路由应答消息填充单元填充处理后 的取路由应答消息反馈给发出取路由消息的外地网络。
PCT/CN2007/001105 2006-06-09 2007-04-04 Procédé de filtrage de messages courts, système de traitement de signalisation et centre de service de messages courts WO2007140687A1 (fr)

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CNA2007800004119A CN101518106A (zh) 2006-06-09 2007-04-04 短消息过滤方法、信令处理系统和短消息业务中心
EP07720678A EP1895788B1 (en) 2006-06-09 2007-04-04 Short message filtering method, signaling processing system and short message service center
AT07720678T ATE531215T1 (de) 2006-06-09 2007-04-04 Kurznachrichtenfilterverfahren, signalverarbeitungssystem und kurznachrichtendienstzentrale

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