WO2002060198A1 - Procede et serveur de messages pour l'acheminement de messages entre un reseau de telecommunications mobiles et un reseau ip - Google Patents

Procede et serveur de messages pour l'acheminement de messages entre un reseau de telecommunications mobiles et un reseau ip Download PDF

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Publication number
WO2002060198A1
WO2002060198A1 PCT/CH2001/000057 CH0100057W WO02060198A1 WO 2002060198 A1 WO2002060198 A1 WO 2002060198A1 CH 0100057 W CH0100057 W CH 0100057W WO 02060198 A1 WO02060198 A1 WO 02060198A1
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WIPO (PCT)
Prior art keywords
messages
service centre
protocol
ems
message server
Prior art date
Application number
PCT/CH2001/000057
Other languages
English (en)
Inventor
Brian P. RÜEGER
Marc A. Woog
Original Assignee
Bmd Wireless Ag
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 Bmd Wireless Ag filed Critical Bmd Wireless Ag
Priority to PCT/CH2001/000057 priority Critical patent/WO2002060198A1/fr
Publication of WO2002060198A1 publication Critical patent/WO2002060198A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices
    • H04W88/184—Messaging devices, e.g. message centre
    • 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
    • H04L51/06—Message adaptation to terminal or network requirements
    • H04L51/066—Format adaptation, e.g. format conversion or compression
    • 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

Definitions

  • the present invention relates to a method, a message server, a service centre comprising said message server and a telecommunications network for conveying messages between a mobile telecommunications network and an IP network according to claim 1 , claim 6, claim 12 respective claim 13.
  • the present invention relates to a method for . conveying messages between a mobile telecommunications network for example as specified in the GSM (Global System for Mobile Communications) standards, the TDMA standards, the CDMA standards, the 3G standards (MMS) as well as in the Signalling System No. 7, IS-41 and ' IS-95 protocol standards and a network using the internetworking protocols TCP/IP instead.
  • Networks using the internetworking protocols TCP/IP are the Internet, or corporate Intranets or Extranets.
  • Transfer of short messages is preferably performed in the control channels SDCCH and SACCH (see [3], page 201).
  • the protocol architecture of the Short Message System is shown in [3], chapter 9, page 30.
  • the short message is forwarded by the service centre SC to a gateway function GMSC which is a function of a mobile services switching centre MSC.
  • the gateway GMSC is capable of interrogating a home location register HLR which contains routing information to the visitor location register VLR.
  • the visitor location register VLR is the functional unit that attends to a mobile station MS operating outside the area of the home location register.
  • a visiting mobile station MS is automatically registered at the nearest mobile services switching centre MSC and the visitor location register VLR is informed accordingly.
  • the gateway GMSC forwards the short message to the visited mobile services switching centre MSC.
  • the visited mobile services switching centre MSC retrieves corresponding subscriber information from the visitor location register VLR based on which the short message is forwarded to the mobile station MS. Operations are terminated by returning a delivery report to the service centre SC of the network where the short message has been initiated.
  • a method and a wireless application message server A S for conveying messages, particularly ⁇ short messages, originating in a mobile telecommunications network such as the GSM system and terminating in an IP network is disclosed in [8], International Patent Application PCT No. PCT/CH 01/00012 which herein is incorporated by reference in its entirety.
  • a service centre SC preferably provides the capability of interfacing to external entities through an IP-TCP short message client interface.
  • Vendors have developed proprietary protocols in order to send and receive short messages transferred over a selected transport layer as described above.
  • an external short message entity may initiate an application layer connection with a service centre SC over a TCP/IP or an X.25 network connection and may then send and receive short messages to and • from the service centre SC respectively (see [7], SMPP Protocol Specification v3.4, chapter 1.1., page 8).
  • SMSP Short Message Peer to Peer
  • SMPP Forum Short Message Service Centre external machine interface
  • SMSC Open Interface Specification SEMA Group
  • Service centres SC are therefore unable to provide access to short message services to all Internet users.
  • a client accesses a different service centre SC a peer-to-peer condition may not be established due to the use of different protocols.
  • the present invention is therefore based on the object of specifying a method, a message server, a service centre comprising said message server and a telecommunications network for conveying messages, particularly short messages, between a mobile telecommunications network such as the GSM system and clients in an IP network, such as the Internet, which are using a standardised communication protocol such as the Hypertext Transfer Protocol HTTP.
  • the inventive method allows to convey messages, particularly short messages between a service centre SC of a mobile telecommunications network such as the GSM system and clients in an IP network, such as the Internet, which are using a standardised communication protocol such as the Hypertext Transfer Protocol HTTP or a derivative therefrom.
  • a standardised communication protocol such as the Hypertext Transfer Protocol HTTP or a derivative therefrom.
  • messages are received in a message server from a service centre SC based on a protocol used in said service centre SC.
  • the messages are converted into • messages based on the standardised communication protocol used by the clients in the IP network and then forwarded to the addressed clients.
  • messages received in said message server EMS from clients in the IP network based on a protocol used by said clients are converted into messages based on the communication protocol used by the service centre SC and then forwarded to the service centre SC.
  • the service centre SC and the message server exchange messages based on a proprietary protocol preferably as specified in [9] , ETSI Technical Report ETSI TR 123 039 V.3.2.0 (2000-09).
  • the service centre SC and the message server exchange messages based on the protocol used in the transport or the application layer SM-TL respective SM-AL of the protocol architecture of the short message service system thus avoiding the use of proprietary protocols and reducing the complexity of the service centre SC when integrating the inventive message server into the service centre SC.
  • the inventive message server and clients in the IP network exchange messages based on the Hypertext Transfer Protocol HTTP or an advanced derivative therefrom. Since the Hypertext Transfer Protocol HTTP is used by practically all web browsers and CGI applications, clients using the Internet which are registered at the service centre SC or the message server will be able to send and receive messages without the implementation of proprietary protocols.
  • the functions of the message server can further be expanded in order to provide authorisation control functions, security control functions and/or administrative functions.
  • Fig. 1 shows a known telecommunications network designed to convey messages originating in the Internet or an Intranet and terminating in mobile stations of a first or a second public land mobile network PLMN;
  • Fig. 2 shows a telecommunications network with an inventive message server EMS capable of conveying messages between mobile stations MS of a first or a second public land mobile network PLMN and clients CL using the Internet or an Intranet;
  • Fig. 3 shows the protocol architecture implemented in an inventive message server EMS;
  • Fig. 4 shows- the basic transactions performed for transferring a message from a first service centre SCI through the inventive message server EMS to a client CL;
  • Fig. 5 ' shows the basic transactions performed for transferring a message from a client through the inventive message server EMS to the service centre SCI and
  • Fig. 6 shows a preferred embodiment of the inventive message server EMS integrated into a service centre SCa.
  • Fig. 1 shows a known telecommunications network designed to convey messages originating in the Internet or an Intranet and terminating in mobile stations of a first or a second public land mobile network PLMN1 respective PLMN2.
  • the structure of a GSM public land mobile network PLMN is shown and described in [1], pages 1226 to 1228.
  • For TDMA systems using the IS-41 protocol and CDMA systems using the IS-95 protocol see [1], chapter 80.3, pages 1121-1123 respective [1], chapter 89, pages 1257-1263.
  • a GSM public land mobile network can be viewed as a configuration comprising
  • the mobile stations MS, the base station tranceivers BTS and thereto related base station controllers BSC are contained in a Radio Subsystem, the mobile services switching centres MSC1, MSC2; short message service centres SCI, SC2; gateway functions GMSC and interworking functions IWMSC as well as the home location and visitor location registers HLR, VLR . are contained in a Network and Switching Subsystem NSS and a Operation and Maintenance Centre (not shown) , an Authentication Centre (not shown) and an Equipment Identity Register (not shown) are contained in an Operation Subsystem.
  • WAMS wireless application message server
  • the service centre SCI is over a gateway and interworking functions on one side connected to the mobile switching services centre MSC1.
  • the service centre SCI is connected to Internet or Intranet network entities SP and CL which comprise services and applications capable .of sending messages to the service centre SCI where the addresses of said services and application are stored in a database.
  • individual subscribers CL access the service centre SCI over a service provider SP.
  • Fig. 2 shows an inventive telecommunications network capable of conveying messages between mobile stations MSI and MS2 of a first or a second public land mobile network PLMN1, PLMN2 and clients CL in the Internet or in an Intranet.
  • the messages are forwarded from the first service centre SC2, accessed by the mobile stations MSI and MS2, preferably over a wireless application message server WAMS, which is described in [8], to the second service centre SCI on a path shown with virtual connections vcl and vc2.
  • messages exchanged between a service centre SCI and clients CL in the Internet are sent through a message server EMS which, as shown in Fig. 3 converts the protocol HTTP used by the clients CL to the protocol PP, PP1, ... used by the service centre SC.
  • HTTP-requests sent by the clients CL are therefore translated into requests adhering to the protocol PP, PP1, ... used by the service centre SC.
  • the message server EMS could be located at the premises of the operator of the service centre SCI. Both systems, the message server EMS and the service centre SCI may form a system SCS which is controlled by a single control unit, e.g. the control unit EMSC of the message server.
  • An inventive message server EMS may however be connected to several service centres SC.
  • the Hypertext Transfer Protocol HTTP is, as described in Andrew S. Tanenbaum, Computernetzwerke, Prentice-Hall Inc., Miinchen 1998, 3 rd edition, chapter 7.6.2.1, pages 726-728, a standard transfer protocol in the world wide web.
  • Clients CL may use the Transport Control Protocol TCP or an underlying ATM network (see [11], pages 4-10) for transferring HTTP-requests.
  • the Hypertext Transfer Protocol HTTP allows to send requests to a HTTP sever and to receive corresponding replies.
  • the PUT method requests that the enclosed entity be stored under the supplied Request-URI. If the Request-URI refers to an already existing resource, the enclosed entity could be considered as a modified version of the one residing on the origin.
  • the GET and/or the POST methods are used.
  • the GET method means retrieve whatever information (in the form of an entity) is identified by the Request-URI. If the Request- URI (Uniform Resource Identifier) refers to a data-producing process, it is the produced data which shall be returned as the entity in the response.
  • the POST method is used to request that the origin server accept the entity enclosed in the request as a new subordinate of the resource identified by the Request-URI in the Request- Line. POST is designed to allow a uniform method to cover the following functions:
  • Posting a message for example to a bulletin board, a newsgroup, a mailing list
  • the incoming content has to be tailored to 160 characters.
  • special characters have to be replaced according to CIMD2 encoding rules.
  • Short messages incoming from mobile stations MS are forwarded from the service centre SC to the inventive message server EMS therein translated and reformatted and sent with an HTTP request to the addressed clients CL as further described below.
  • Every incoming short message triggers a predefined action, e.g. initiating a HTTP request sent to an addressed client.
  • the PUSH/PULL routines may be set up by using the Simple Object Access Protocol SOAP, which is a lightweight and simple XML- based protocol that is designed to exchange structured and typed information on the Web.
  • SOAP Simple Object Access Protocol
  • the extensible Markup Language XML is a meta-markup language that provides a format for describing structured data.
  • Binding SOAP to HTTP provides the advantage of being able to use the formalism and decentralised flexibility of SOAP with the rich feature set of HTTP.
  • the purpose of SOAP is to enable rich and automated Web services based on a shared and open Web infrastructure. SOAP can be used in combination with a variety of existing Internet protocols and formats including HTTP, SMTP, and MIME and can support a wide range of applications including messaging systems.
  • the message server EMS acts towards clients CL in the Internet as an HTTP server which translates messages according to proprietary protocols PP1, PP2, ... ⁇ of an application which communicates with a peer entity in the service centre SCI.
  • a protocol converter CP shown in the protocol architecture EMS-PA is responsible for the translation of the transferred messages.
  • the short message is forwarded to the message server EMS, which according to the proprietary protocol PP2 translates and forwards the message to the service centre SCI. Receipt of the short message is acknowledged by a message which is routed back to the client CL.
  • Fig. 6 also shows the protocol stack of the Signalling System No. 7 which carries the short message transport layer SM-TL and the short message application layer SM-AL on top (see [3], page 30) .
  • MTP Level 1 Signalling Data Link Functions (MTP Level 1) corresponding to Layer 1 of the OSI Model
  • SCCP Signalling Connection Control Part
  • TCAP Transaction Capabilities Application Part
  • MAP Mobile Application Part
  • PDU Protocol Data Unit
  • SMS-DELIVER conveying a short message from the service centre SC to the mobile station MS
  • SMS-SUBMIT conveying a short message from the mobile station
  • SMS-COMMAND conveying a command from the mobile station MS to the service centre SC
  • SMS-DELIVER-REPORT SMS-SUBMIT-REPORT
  • SMS-STATUS-REPORT SMS-STATUS-REPORT
  • HTTP provides means for transferring short message data between a client and the message server EMS which is preferably integrated into a service centre SCa.
  • a HTTP server is accessed over port which is addressed by the IP address and the port number.
  • HTTP servers respective web browsers or CGI applications usually use port number 80.
  • Extraction of data out of an HTTP message is normally performed by an application using the Common Gateway Interface CGI, which is described in [10] on pages 742 and 743.
  • the Common Gateway Interface CGI is addressed by a URI (Uniform Resource Identifier) ; when using a HTTP GET request data are delivered with the URL (Uniform Resource Locator) ; when using a HTTP POST request the data are delivered within the body of the request.
  • URI Uniform Resource Identifier
  • the content respective the user data are .extracted out of a HTTP message received from a client CL and mapped into the TP-User Data element of a protocol data unit TPDU. Further data, for example address information, as specified in [3] , is mapped into other elements of the protocol data unit TPDU before it is delivered to the addressed mobile station MS.
  • Protocol data units TPDU received from a mobile station MS are treated accordingly.
  • the user data is extracted out of the TP- User Data element and directly transferred into a HTTP message.
  • the message server EMS is preferably connected to a control unit EMSC which, besides the control of the above described communication functions, may also provide administrative, authorisation and security control functions.
  • SMS Short Message Service
  • GSM Digital cellular telecommunications system
  • SMEs Short Message Entities

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Cette invention se rapporte à un procédé permettant d'acheminer des messages entre un centre de services (SC) d'un réseau de télécommunications mobiles, tel qu'un système GSM, TDMA, CDMA ou 3G (MMS), et des clients (CL) dans un réseau IP, tel que l'Internet, qui utilisent un protocole de communications standardisé, ce procédé consistant: a) à recevoir les messages dans le serveur de messages (EMS) en provenance du centre de services (SC) sur la base d'un protocole utilisé dans ce centre de services (SC), à convertir ces messages en des messages basés sur le protocole de communications standardisé utilisé par les clients (CL) dans le réseau IP, et à transmettre les messages ainsi convertis aux clients destinataires (CL) auxquels sont adressés ces messages.
PCT/CH2001/000057 2001-01-25 2001-01-25 Procede et serveur de messages pour l'acheminement de messages entre un reseau de telecommunications mobiles et un reseau ip WO2002060198A1 (fr)

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PCT/CH2001/000057 WO2002060198A1 (fr) 2001-01-25 2001-01-25 Procede et serveur de messages pour l'acheminement de messages entre un reseau de telecommunications mobiles et un reseau ip

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003103308A1 (fr) * 2002-05-13 2003-12-11 Markport Limited Commande de services de messagerie plmn dans des domaines ip
EA005390B1 (ru) * 2002-11-19 2005-02-24 Тоо Свр-Электроникс Способ проведения интерактивной игры
EP1617687A2 (fr) * 2004-07-08 2006-01-18 Sagem Défense Sécurité Procédé d'accusé de réception MMS, terminal et réseau correspondant
US7965662B2 (en) 2002-09-27 2011-06-21 Nokia Siemens Networks Oy Method of and system for transmitting messaging service messages between two telecommunications system using different message structures

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Publication number Priority date Publication date Assignee Title
WO1997008906A1 (fr) * 1995-08-30 1997-03-06 Sendit Ab Systeme et dispositif hote pour transmettre du courrier electronique
WO1998047270A2 (fr) * 1997-04-16 1998-10-22 Nokia Networks Oy Service de transmission de donnees dans un reseau de communication mobile
US6134432A (en) * 1997-06-17 2000-10-17 Bulletin.Net, Inc. System and process for allowing wireless messaging

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WO1997008906A1 (fr) * 1995-08-30 1997-03-06 Sendit Ab Systeme et dispositif hote pour transmettre du courrier electronique
WO1998047270A2 (fr) * 1997-04-16 1998-10-22 Nokia Networks Oy Service de transmission de donnees dans un reseau de communication mobile
US6134432A (en) * 1997-06-17 2000-10-17 Bulletin.Net, Inc. System and process for allowing wireless messaging

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003103308A1 (fr) * 2002-05-13 2003-12-11 Markport Limited Commande de services de messagerie plmn dans des domaines ip
US7701969B2 (en) 2002-05-13 2010-04-20 Markport Limited Control of PLMN messaging services in IP domains
US7965662B2 (en) 2002-09-27 2011-06-21 Nokia Siemens Networks Oy Method of and system for transmitting messaging service messages between two telecommunications system using different message structures
EA005390B1 (ru) * 2002-11-19 2005-02-24 Тоо Свр-Электроникс Способ проведения интерактивной игры
EP1617687A2 (fr) * 2004-07-08 2006-01-18 Sagem Défense Sécurité Procédé d'accusé de réception MMS, terminal et réseau correspondant

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