WO2000025536A1 - Procede et systeme permettant de transmettre des donnees de telecommunications d'un abonne d'origine a plusieurs abonnes d'un reseau de telecommunications - Google Patents

Procede et systeme permettant de transmettre des donnees de telecommunications d'un abonne d'origine a plusieurs abonnes d'un reseau de telecommunications Download PDF

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Publication number
WO2000025536A1
WO2000025536A1 PCT/US1999/025039 US9925039W WO0025536A1 WO 2000025536 A1 WO2000025536 A1 WO 2000025536A1 US 9925039 W US9925039 W US 9925039W WO 0025536 A1 WO0025536 A1 WO 0025536A1
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WO
WIPO (PCT)
Prior art keywords
receiving
subscriber
telecommunications
subscribers
telecommunications data
Prior art date
Application number
PCT/US1999/025039
Other languages
English (en)
Inventor
David Boltz
Bret Westbook
Original Assignee
Ericsson, Inc.
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 Ericsson, Inc. filed Critical Ericsson, Inc.
Priority to AU12318/00A priority Critical patent/AU1231800A/en
Publication of WO2000025536A1 publication Critical patent/WO2000025536A1/fr

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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
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08—User group management
    • 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

Definitions

  • the present invention relates to an improved telecommunications network.
  • the present invention relates to wireless telecommunications networks.
  • the present invention relates-- to methods and systems for delivering messages to subscribers within a telecommunications network.
  • the present invention relates to methods and systems for delivering point to multipoint voice messages within a telecommunications network.
  • Cellular telephone networks typically are composed of a group of base stations connected to a centrally located switch. This centrally located switch is commonly referred to as a Mobile Switching Center (MSC) .
  • MSC Mobile Switching Center
  • Base stations are usually spaced apart from each other by distances of between one-half and twenty kilometers.
  • Each base station is assigned a number of two-way voice channels and control channels. The voice channels transmit voice signals to and from proximately located mobile stations, and transmit control information to and from these mobile stations, usually for the purpose of establishing a voice communications link.
  • a typical cellular telephone network also includes a group of interconnected mobile switching centers, which operate in association with a gateway mobile switching center through which the cellular telephone network interconnects with a conventional Public Switched Telephone Network (PSTN) .
  • PSTN Public Switched Telephone Network
  • at least one home location register operates within the cellular telephone network.
  • the home location register stores network subscriber information, including the identified location of current mobile station within the network.
  • a signal is sent to the home location register requesting routing information through the network to the called mobile station.
  • the home location register "looks up" the current location of the mobile station and contacts the currently serving mobile switching center to pre-route the call and retrieve a temporary location directory number, which is utilized to route the call through the cellular telephone network for delivery to the mobile station.
  • the serving mobile switching center retrieves from a Visitor Location Register (VLR) , the identification of the cell within which the called mobile station is currently located.
  • VLR Visitor Location Register
  • the mobile switching center then instructs the base station associated with that particular cell to page the mobile station. Responding to the page, the mobile station requests assignment of a channel, and the network routes the call through the serving mobile switching center and over the assigned channel.
  • VLR Visitor Location Register
  • a method and system in a telecommunications network for the interactive conveyance of telecommunications data from an originating subscriber to multiple receiving subscribers within the telecommunications network is disclosed. Initially, a group of receiving subscribers to whom telecommunications data may be conveyed by the originating subscriber is designated. A unique identifier is thereafter associated with the group of receiving subscribers, such that the unique identifier, if successfully accessed by a user, permits the conveyance of telecommunications data from the originating subscriber to the group of receiving subscribers.
  • the telecommunications data is then automatically conveyed to the group of receiving subscribers, in response to a successful access of the unique identifier by the user, such that the delivery of the telecommunications data to the group of receiving subscribers may be accomplished without the necessity of contacting each receiving subscriber individually.
  • the telecommunications data to be conveyed to the group of receiving subscribers may be composed of a recorded voice message.
  • a confirmation is then provided to the originating subscriber confirming the successful conveyance or non-conveyance of the voice message to the group of receiving subscribers .
  • FIG. 1 depicts a block diagram illustrating a prior art system for delivering voice message data to multiple subscribers within a telecommunications network
  • FIG. 2 illustrates a block diagram of a telecommunications system that permits the delivery of a voice message from an originating subscriber to multiple subscribers, in accordance with a preferred embodiment of the present invention
  • FIG. 3 depicts a block diagram illustrative of a control unit that may be composed of an Intelligent
  • FIG. 4 illustrates a logic flow diagram illustrating process flow steps for the delivery of a message from a singular point to multiple points within a telecommunications network, in accordance with a preferred embodiment of the present invention.
  • FIG. 5 depicts a logic flow diagram illustrating a continuation of the process illustrated in the logic flow diagram of FIG. 4, in accordance with a preferred embodiment of the present invention.
  • FIG. 1 a block diagram 10 illustrates a prior art system for delivering voice message data to multiple subscribers within a telecommunications network.
  • telecommunications data may be composed of analog or digital information or a combination thereof.
  • HLR Home Location Register
  • MSC mobile switching centers
  • Telecommunications data in the form of voice or non-voice messages, or a combination thereof, may be transferred from mobile unit 12 to a base station transceiver 14 (BTS) which functions within the telecommunications network in association with a base station controller (BSC) 16 and an MSC 18.
  • BTS base station transceiver 14
  • BSC base station controller
  • MSC 18 processes telecommunications data in association with HLR 20 within a GSM-type public land mobile network (PLMN) , which includes a gateway mobile telephone services switching center connected to several local mobile services switching centers, each of which is in turn connected to a group of base station controllers.
  • PLMN public land mobile network
  • the telecommunications network depicted in block diagram 10 of FIG. 1 may be implemented as a GSM-type network.
  • MSC 18 may also be implemented as a GMSC, a type of gateway MSC utilized in GSM-type telecommunications networks.
  • the GSM-network is specified in the so-called GSM "recommendations", well known in the telecommunications art.
  • the GSM network architecture is particularly specified and described in recommendation GSM 03.02, by the European Telecommunications Standards Institute (ETSI) .
  • Each Base Station Controller (BSC) is connected to a plurality of base stations, each of which supervises a geographical area, referred to as a "cell" .
  • the PLMN network also includes a central database, and a home location register (e.g., HLR 20), which is connected to the gateway or central mobile telephone services switching center and also to all local mobile telephone switching centers in the PLMN- network.
  • Those mobile units e.g.
  • HLR 20 essentially functions as a permanent database in the GSM network which identifies subscribers and includes additional subscriber data indicative of features and services associated with a GSM configured telecommunications network.
  • GSM network standard which is primarily utilized in telecommunications networks and systems in Japan and Europe
  • present invention may also be implemented in accordance with other standards and networks, including those utilized throughout North and South America.
  • the GSM network standard as discussed herein, is merely presented for illustrative purposes only and is not a limiting feature of the invention.
  • a subscriber in order to deliver a message (e.g., a voice message) to multiple subscribers, mobile or otherwise, a subscriber must manually call each recipient individually. If an originating subscriber associated with mobile unit 12 wishes to deliver a message to a terminating or receiving subscriber associated with mobile unit 28 (i.e., labeled "B" ) , mobile unit 12 must interact with MSC 22, BSC 24, BTS 26 and Voice Mail Service (VMS) 30 in order for the message to be successfully conveyed to the receiving subscriber associated with mobile unit 28.
  • Mobile unit 12 is also interconnected with End
  • PSTN public switched telephone network
  • EO End Office
  • the End Office (EO) functions as a central office within the telecommunications network to which telephone subscribers are connected. In most telecommunications networks, the EO actually is responsible for the delivery of dial tone to the subscriber.
  • EO 36 is also associated with a landline telephone unit 32 and VMS 34.
  • Mobile unit 12 initially contacts BTS 14, which transfers to BSC 16, any message or telecommunications data sent by mobile unit 12.
  • the call may be diverted to VMS 30, and the message is left within a storage area of VMS 30.
  • VMS 30 Assuming that mobile unit 28 is not available at the time the message is conveyed to the mobile user, the call may be diverted to VMS 30, and the message is left within a storage area of VMS 30.
  • FIG. 2 illustrates a block diagram 36 of a telecommunications system that permits the delivery of a voice message from an originating subscriber to multiple subscribers, in accordance with a preferred embodiment of the present invention.
  • FIG. 1 and FIG. 2 like parts are indicated by like reference numerals. According to FIG. 2, however, it is not necessary for mobile unit 12 to contact each receiving unit individually.
  • the user of mobile unit 12 first interactively defines a list of subscriber numbers to which he or she wishes to deliver point to multi -point voice messages.
  • a plurality of receiving subscribers are designated to which telecommunications data, in the form of voice or non-voice data or a combination thereof, may be conveyed by an originating subscriber.
  • Each list or group of receiving subscribers is associated with a unique identifier.
  • the user To deliver point to multi-point voice messages, the user must first dial a special access number, record the voice message, and then specify which group or plurality of receiving subscribers to which the message should be sent.
  • the unique identifier permits the user to specify the group of subscriber numbers to which he or she desires that the message be delivered. The user then disconnects.
  • a service may be implemented which allows a voice message to be delivered to multiple subscribers with only one initial call by the originating subscriber.
  • the call can either be delivered to a "B" subscriber (not shown in FIG. 2) or a VMS upon answer.
  • MSC 18 controls the flow of the original message from mobile unit 12 to a group of receiving subscribers.
  • paths 1 Three possible “paths”, labeled 1, 2, and 3 are indicated in FIG. 2 by which MSC 18 controls the flow of the original message from mobile unit 12 to a group of receiving subscribers.
  • path 1 indicates that the message may be delivered to multiple subscribers via a Mobile Switch
  • a PLMN is a mobile telephone communications network, which facilitates mobile communication services.
  • Path 2 indicates that the message may be delivered to multiple subscribers via an MS in an "AMPS” network.
  • AMPS is an acronym, well known in the telecommunications industries, which refers to an "Advanced Mobile Phone Service” .
  • Path 3 indicates that the message may be sent to multiple subscribers via a PSTN.
  • Alternative dashed lines between Intelligent Network 38 and MSC 18 indicate that Intelligent Network 38 can also be used to control the flow of the original message from mobile unit 12 to the group of receiving subscribers.
  • Intelligent Network 38 and MSC 18 function individually as control units within which the list of receiving subscribers may be stored. The choice of utilizing Intelligent Network 38 or MSC 18 or a combination thereof to store and control the conveyance of telecommunications data to subscribers within the list of receiving subscribers may be left to the designer, technician or engineer implementing the present invention.
  • FIG. 3 depicts a block diagram illustrative of a control unit 40 that may be composed of an Intelligent Network (IN) or a Mobile Switching Center (MSC) , or a combination thereof, in accordance with a preferred embodiment of the present invention.
  • I Intelligent Network
  • MSC Mobile Switching Center
  • a voice recorder unit 42 and a memory location 44 are included within the IN or the MSC (or a combination thereof) .
  • the list of receiving subscribers to which telecommunications data (e.g., a voice message) may be conveyed is stored within memory location 44.
  • the originating subscriber thus records a message to be delivered to multiple receiving subscribers, thereby avoiding the necessity of contacting each receiving subscriber individually.
  • the originating subscriber indicates whether to use a pre-defined list, create a new list of subscriber numbers, or to add or delete numbers to or from an existing list of receiving subscribers.
  • Control unit 40
  • Control unit 40 of FIG. 3 is analogous to MSC 18 and IN 38 of FIG. 2.
  • FIG. 4 illustrates a logic flow diagram 50 illustrating steps for the delivery of a message from a singular point to multiple points within a telecommunications network, in accordance with a preferred embodiment of the present invention. It can be appreciated by those skilled in the art that FIG. 4 and FIG. 5, as illustrated and described herein, present a self-consistent sequence of steps leading to a desired result . The steps are those requiring the physical manipulation of physical quantities. Usually, although not necessarily, these quantities take the form of electrical or magnetic signals capable of being stored, transferred, combined, compared, and otherwise manipulated.
  • the present invention relates to method steps for processing electrical or other (e.g. mechanical, chemical) physical signals to generate other desired physical signals, and can be implemented via a computer or microcomputer.
  • electrical or other e.g. mechanical, chemical
  • instructions implementing these method steps can be maintained within a computer memory location of a wireless telephone base station or at a central broadcasting center from which such base stations receive instructions.
  • Implementation of the method described herein is left to the discretion of a particular wireless telephone system designer, whether cellular-based or otherwise.
  • Preferred implementations of the invention can include implementations to execute the method or methods described herein as a program product residing in a memory of microcomputer.
  • a preferred embodiment of the present invention can include a program product residing in a microcomputer memory located at an MSC (e.g., MSC 18 of FIG. 1 and FIG. 2 herein) .
  • the MSC controls system operations in cellular telephone networks, thereby managing calls, tracking billing information, and locating cellular subscribers.
  • the program product thus includes sets of instructions for executing the method and system described herein.
  • the set of instructions may be stored as a computer-program product in another computer memory.
  • the set of instructions may be stored as a computer-program product in a disk drive attached to a microcomputer (which may include a removable memory such as an optical disk or floppy disk for eventual use in the disk drive) .
  • the present invention may also be implemented as a computer-program product stored within a microcomputer memory location of an Intelligent Network (IN) node.
  • An intelligent Network (IN) node An Intelligent Network
  • Intelligent Network is a network system, or configuration that permits the functionality of a particular telecommunications network to be distributed flexibly at a variety of nodes on and off the telecommunications network.
  • the computer-program product can also be stored at another computer and transmitted, when desired, to a user's workstation by an internal or external network.
  • Those skilled in the art will appreciate that the physical storage of the sets of instructions physically changes the medium, upon which it is stored, so that the medium carries computer-readable information.
  • the change may be electrical, magnetic, chemical, or some other physical change. While it is convenient to describe the invention in terms of instructions, symbols, characters, or the like, the reader should remember that all of these and similar terms should be associated with the appropriate physical elements.
  • a process for delivering a voice message from a single subscriber to multiple subscribers within a telecommunications network is initiated.
  • an incoming call is received by an originating subscriber, in response to having contacted the telecommunications network in order to attempt to access the pre-designated list of receiving subscribers or create a new list of receiving subscribers.
  • a voice prompt handling system can be utilized to manage the entry of passwords and other required user information
  • the originating user or subscriber must first manually dial into a voice prompt handling system.
  • the user can then begin entering the proper information (e.g., passwords, codes, and so forth) .
  • proper information e.g., passwords, codes, and so forth
  • the subscriber enters his or her telephone number and then, as described at block 58, enters a particular password.
  • a test is then performed to determine whether or not the user is an "allowed" user. Only an allowed user possesses the necessary codes or passwords to access the cellular telephone network in order to deliver a message to multiple receiving subscribers, in accordance with a preferred embodiment of the present invention. If the user is not an allowed user, then as illustrated at block 61, a message is played for the user indicating that the user is "not allowed” . Thereafter, the process simply terminates, as depicted at block 63.
  • the user records the message that he or she desires to send to a group of multiple subscribers.
  • a test is performed to determine whether or not to deliver the message to subscriber numbers included within a pre-designated list of telephone subscriber numbers.
  • this pre-designated list of telephone subscriber numbers may be designated or set prior to processing of the steps depicted in FIG. 4 and FIG. 5 herein.
  • the user thus interactively designates a list of subscriber numbers to which he or she wishes to deliver point to multi-point messages within a telecommunications network. Designating this list of subscribers can be accomplished prior to the initiation of the process steps illustrated in FIG. 4 and FIG. 5 utilizing Unstructured Supplementary Service Data
  • USSD is a mechanism that allows a Mobile
  • MS Mobile Station
  • PLMN operator defined application to communicate with one another in a manner that is transparent to the MS and to intermediate network entities.
  • USSD is described in GSM 03.90,
  • ETSI European Telecommunications Standards Institute
  • a unique identifier or identification password is associated with this pre-designated list of receiving subscribers.
  • the actual step of associating the unique identifier or identification password with the pre- designated list of receiving subscribers can be implemented prior to processing of the steps illustrated in FIG. 4 and FIG. 5. If it is determined, as depicted at block 64, to deliver the message to the pre-designated list of receiving subscriber, then as illustrated at block 65, the user enters the unique identifier or identification password associated with the pre-designated list, in order to access the pre- designated list.
  • This pre-designated list may be configured (e.g., via USSD) prior to the processing of the steps depicted in FIG. 4. The process thereafter continues, as described at connecting block 72, labeled as "A" .
  • a subscriber call list loop is initiated. In this case, the user must actually create the list of receiving subscribers or modify an existing list or receiving subscribers.
  • a mechanism such as a "voice prompt profile-handling" menu, can be utilized to assist the user in creating or modifying this list. If the user is an "allowed user," as indicated at block 60, the user will have access to a pre-designated list of receiving subscribers directly by entering an identification number (i.e. block 65).
  • the user can create a new list via a call list loop (i.e. or modify an existing list), as described subsequently at blocks 66, 67, 68, and 70.
  • a call list loop i.e. or modify an existing list
  • the user manually enters a subscriber number using, for example, the keypad of a cellular telephone.
  • a test is then performed, as indicated at block 70, to determine whether or not additional subscriber numbers will be entered.
  • Such subscriber numbers indicate the subscriber (i.e., the receiving subscriber) to which the user desires that his or her message be delivered. If additional subscriber numbers are required to be entered, then following the entry of additional subscriber numbers, the subscriber call list loop terminates, as depicted at block 67, and the process continues, as described thereafter at block 72 (i.e. "A") . However, if subscriber numbers are not entered, then the process continues, without acknowledging the end of the call loop.
  • connection symbol depicted at block 72 Remaining process steps are illustrated in FIG. 5.
  • the outcome that occurs following the operation described at block 72 is processed is a series of operations designed to permit the recorded voice message to be conveyed the subscribers indicated within the list of receiving subscribers .
  • the unique identifier may be composed of the identification number entered, as illustrated at block 65, or the password entered, as depicted at block 60, or a combination thereof.
  • the password entered, as depicted at block 58 determines whether or not a user will have access to the pre-designated list of receiving subscribers, or will be able to create or modify an existing list of receiving subscribers. For example, if the user enters a password, as illustrated at block 58, and it is determined that the user is an "allowed user," as indicated thereafter at block 60, and a call list loop is initiated, as indicated at blocks 64 and 66 , the user can be said to have successfully accessed a unique identifier. In this case, the unique identifier is considered to be composed of the password entered earlier (e.g., see block 60) .
  • the user By accessing this unique identifier, the user is permitted to create a list or group of receiving subscribers to which a recorded voice message can be conveyed. If, however, the user is not required to create a new list of receiving subscribers, because the pre-designated list of receiving subscribers already exists or was created at an earlier time, the user simply enters an identification number, as indicated at block 65. In this case, the unique identifier is composed of this entered identification number. In this case, in particular, the unique identifier can be considered to be composed only of the identification number entered, as illustrated at block 65, or the combination of the identification number entered and the password entered earlier (i.e., block 58).
  • some form of a unique identifier is required which, when successfully accessed (i.e., input to the telecommunications network) by a user, permits a recorded voice message (i.e., see block 62) to be conveyed to the subscribing members designated within the list of receiving subscribers.
  • FIG. 5 depicts a flow diagram illustrating a continuation of the process illustrated in flow diagram 50 of FIG. 4, in accordance with a preferred embodiment of the present invention.
  • an incoming call is ended with the user.
  • a call is initiated to a first subscriber in the pre-designated list of subscribers.
  • the message is played, as depicted at block 80.
  • Each subscriber included in the pre-designated list receives a copy of the message.
  • An "end of list” test is then performed, as illustrated at block 84.-
  • a call is initiated to the user (i.e., the original caller) with the results.
  • the call is typically implemented as a recorded message informing the user that the message has been successfully delivered to all subscribers within the pre-designated list.
  • SMS Short Message Service
  • a call is initiated to the next subscriber in the pre-designated list, and at answer, the message is played for the receiving subscriber.
  • a call is then initiated to the user with the results, as illustrated at block 90. Thereafter, the process finally terminates, as illustrated at block 92.

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

Abstract

L'invention concerne un procédé et un système dans un réseau de télécommunications permettant de transmettre, de manière interactive, des données de télécommunications provenant d'un abonné d'origine à plusieurs abonnés destinataires dudit réseau de télécommunications. Au départ, un groupe d'abonnés destinataires auquel l'abonné d'origine doit transmettre des données est désigné. Puis un identificateur unique est associé au groupe d'abonnés destinataires, de sorte que cet identificateur unique, si un utilisateur est autorisé à y accéder, permet à l'abonné d'origine de transmettre des données audit groupe d'abonnés. Les données sont ensuite automatiquement transmises au groupe d'abonnés destinataires, lorsque l'utilisateur est autorisé à accéder à l'identificateur unique, de sorte que la transmission des données au groupe d'abonnés destinataires peut s'effectuer sans être en contact avec chaque abonné. Les données de télécommunications à transmettre au groupe d'abonnés destinataires peuvent se composer d'un message vocal enregistré.
PCT/US1999/025039 1998-10-28 1999-10-27 Procede et systeme permettant de transmettre des donnees de telecommunications d'un abonne d'origine a plusieurs abonnes d'un reseau de telecommunications WO2000025536A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU12318/00A AU1231800A (en) 1998-10-28 1999-10-27 Method and system for the delivery of telecommunications data from an originating subscriber to multiple subscribers in a telecommunications network

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18168898A 1998-10-28 1998-10-28
US09/181,688 1998-10-28

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Publication Number Publication Date
WO2000025536A1 true WO2000025536A1 (fr) 2000-05-04

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000079826A1 (fr) * 1999-06-21 2000-12-28 Incirco Ab Procede et installation destines a des groupes d'utilisateurs communiquant entre eux
WO2002046957A1 (fr) * 2000-12-05 2002-06-13 Nokia Corporation Procede permettant de distribuer des messages
FR2834605A1 (fr) * 2002-01-08 2003-07-11 Freever Procede permettant a des utilisateurs d'echanger des messages vocaux, notamment en vue de participer a des forums de discussions
SG106670A1 (en) * 2003-02-18 2004-10-29 Chikka Pte Ltd A messaging system and method therefor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994009599A1 (fr) * 1992-10-22 1994-04-28 Nokia Telecommunications Oy Procede permettant de transmettre des messages courts par un systeme radio
EP0825790A2 (fr) * 1996-08-12 1998-02-25 Lucent Technologies Inc. Système de messagerie radio bidirectionnel avec serveur de transaction
GB2317073A (en) * 1996-09-05 1998-03-11 Orange Personal Comm Serv Ltd Mobile telephone generating multiple short message signals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994009599A1 (fr) * 1992-10-22 1994-04-28 Nokia Telecommunications Oy Procede permettant de transmettre des messages courts par un systeme radio
EP0825790A2 (fr) * 1996-08-12 1998-02-25 Lucent Technologies Inc. Système de messagerie radio bidirectionnel avec serveur de transaction
GB2317073A (en) * 1996-09-05 1998-03-11 Orange Personal Comm Serv Ltd Mobile telephone generating multiple short message signals

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000079826A1 (fr) * 1999-06-21 2000-12-28 Incirco Ab Procede et installation destines a des groupes d'utilisateurs communiquant entre eux
WO2002046957A1 (fr) * 2000-12-05 2002-06-13 Nokia Corporation Procede permettant de distribuer des messages
FR2834605A1 (fr) * 2002-01-08 2003-07-11 Freever Procede permettant a des utilisateurs d'echanger des messages vocaux, notamment en vue de participer a des forums de discussions
SG106670A1 (en) * 2003-02-18 2004-10-29 Chikka Pte Ltd A messaging system and method therefor

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