EP0852877A1 - A communication and service terminal - Google Patents

A communication and service terminal

Info

Publication number
EP0852877A1
EP0852877A1 EP96932908A EP96932908A EP0852877A1 EP 0852877 A1 EP0852877 A1 EP 0852877A1 EP 96932908 A EP96932908 A EP 96932908A EP 96932908 A EP96932908 A EP 96932908A EP 0852877 A1 EP0852877 A1 EP 0852877A1
Authority
EP
European Patent Office
Prior art keywords
terminal
communication
constructed
user
terminal according
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP96932908A
Other languages
German (de)
French (fr)
Inventor
Nils Hedlund
Mats Karlsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teligent AB
Original Assignee
Teligent AB
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 Teligent AB filed Critical Teligent AB
Publication of EP0852877A1 publication Critical patent/EP0852877A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/247—Telephone sets including user guidance or feature selection means facilitating their use
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
    • H04M1/675—Preventing unauthorised calls from a telephone set by electronic means the user being required to insert a coded card, e.g. a smart card carrying an integrated circuit chip
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones

Definitions

  • the present invention relates to a communications and service terminal for use in public and semi-public places.
  • the only real communications terminals in public places are public telephones. Public telephones are only used for speech communication and are designed particularly for this purpose.
  • a problem in this regard is the lack of public communica ⁇ tion terminals.
  • a problem related with the establishment of public communication terminals is that communication and transmission of information takes place over many different media and with the use of a number of different so-called communication protocols.
  • the present invention solves this problem and provides a flexible communications terminal which because of its flexibility is well-suited for installation in public and semi-public places.
  • the present invention thus relates to a communications terminal which is designed for communication purposes and for the transmission of information and for installation in public places, and which is constructed for connection to the telephone network and includes a user interface, wherein the terminal is characterized in that the interface includes a display screen, a keyboard, a card reader and a telephone receiver for voice-based communication; in that the terminal includes a base module which includes a processor and associated memory in which software constituting a basic system is stored, and hardware and software for external commun cation; in that the terminal is constructed for the connection of hardware and software modules configured on top of the basic system, said modules being intended for differ ⁇ ent types of communication; and in that the basic system is designed to control user activated modules.
  • Figure 1 is a block schematic presenting an overview of the invention.
  • Figure 2 illustrates by way of example the external design of an inventive terminal.
  • Figure 2 illustrates by way of example the external design of a communications terminal intended for communication and the transmission of information.
  • the terminal is intended to be installed in public places and to be connected to the telephone network.
  • the terminal includes a user interface.
  • Any member of the general public may be a terminal user.
  • public places is meant places to which the general public has access, such as different public localities, hotel lobbies, airport terminals, restaurants, etc.
  • the terminal may also be installed in "outdoor” locations. It is conceivable, and in many cases desirable, to replace an existing public telephone with an inventive terminal.
  • the user interface 24 includes a display screen 1, a keyboard 2, a card reader 3, 4 and a telephone receiver 5 for voice-based communication, as illustrated in Figure 2.
  • the card reader may comprise two readers 3, 4 for different types of card, for instance one reader for a card that carries a magnetic strip, such as a credit card, and the other a smart card reader.
  • the terminal will preferably also include a telephone keypad 6. However, the keypad may optionally be excluded and the keyboard used instead for entering telephone numbers and the like.
  • the inventive terminal also includes hardware in the form of a base module ( Figure 2) which includes a processor 11 and associated memory 12 in which software constituting a basic system is stored, and hardware and software 13 for external communication.
  • a base module Figure 2 which includes a processor 11 and associated memory 12 in which software constituting a basic system is stored, and hardware and software 13 for external communication.
  • the terminal also includes hardware and software 14 for (terminal management and control), and hardware and software 15 for different terminal applications and related services (application and service).
  • terminal management and control hardware and software 14 for terminal management and control
  • hardware and software 15 for different terminal applications and related services application and service.
  • the terminal is constructed for the connection of hardware and software modules which are configured on top of the basic system, said system being designed to control these modules.
  • the modules are intended for different types of communica ⁇ tion.
  • the basic system is also designed to control user activated modules.
  • the hardware and software modules include known electronics and software for one, two or more of the functions: data communication over the wire-connected telephone network; data communication over a wireless or cordless telephone network; the establishment of connections between the terminal and existing data network; voice-based telecommunication; and functions for the interactive exchange of data with data bases.
  • the hardware reguired for each of these modules is intended to be installed in the terminal in card positions 16 provided therefor.
  • the illustrated embodiment has ten electronic card positions.
  • the terminal includes a communications module which includes an electronic card 25 having different communication protocols for communication with one or more networks, and communication standards.
  • This module enables the user to choose between different communi ⁇ cation protocols in keeping with the information transfer or data communication that the user desires, for instance from a portable computer carried by the user to the terminal.
  • the module chosen may be a module which contains a certain service, such as flight-time information and through which plane tickets can be booked, such as module 26. When choosing this service, the basic system selects the communication protocol appropriate for communication with the data base for aircraft traffic.
  • the communications module may include the following standards and protocols: PSTN, ISDN; GSM, NMT, TACS, ETACS; ER ES, POCSAC Wide Area Paging; X.25; TCP/IP; Internet; V.21, V.22, V.23, V.36, V.42.
  • the terminal includes means for connecting the terminal to the wire-connected telephone network.
  • the terminal includes a transmitter and receiver antenna 17 for connection to a wireless or cordless part of a telephone network.
  • the terminal shall be capable of communicating over the GSM network for instance, one module is comprised of a GSM electronic card 27 inserted m one of the card positions 16.
  • the terminal includes a receiver antenna 18 for receiving broadcasted information, such as teletext information.
  • a receiver electronic card 28 which is inserted in one of the card positions 16.
  • the services provided by the inventive terminal can be chosen from all of the services that are generally available over different types of data networks, such as different types of information services, different types of sales services, etc. , etc.
  • the communications services afforded by the inventive terminal may include text telephony, picture telephony, telefacsimile messages, E-mail, etc.
  • a video camera lens 22 will be installed in the terminal.
  • the concept of the invention lies in the provision of a communications terminal which includes the aforesaid basic system to which hardware and software can be added in the form of modules in accordance with desired applications and services, wherein both the basic system and the card posi ⁇ tions are prepared for connecting a selected module to the terminal.
  • the terminal to be constructed with, or loaded with, the modules for which a need is found, among other things in view of where the terminal is located.
  • the combination of modules in one and the same terminal can be changed when the aforesaid need changes.
  • the invention is thus implemented with hardware and software modules that can be configured on top of a basic system, i.e. hardware and software for internal control and execution of communications routines and management of all card modules and service applications.
  • All modules are built from or are comprised of standard components. An open architecture is applied, so that the terminal is able to use any application from any supplier or information donator.
  • the intelligence in the basic system adapts the terminal to the service desired of the terminal by the terminal owner.
  • the terminal may operate as a stand-alone terminal or be incorporated in a network.
  • the terminal includes electric ports 19, 20 for connection to a portable computer.
  • the terminal may also include a diskette drive 23 for data-carrying diskettes.
  • the terminal includes a card reader, as before mentioned, wherein the card reading procedure constitutes at least a part of a user authorization check and wherein activation of the terminal for communication purposes is not effected until the user is accepted as being authorized.
  • This authorization check may involve the user presenting a credit card or smart card to the terminal prior to use, whereupon the terminal checks the validity of the card in question by connecting with a card checking data base in a known manner. The user is able to commence using the terminal only when the card is found to be valid.
  • the user is billed for the use of the terminal on the basis of the credit card number.
  • the terminal may also be constructed to operate on the basis of a special authorization card, wherewith after having initially been given access to the terminal the user is able to disclose which account shall be billed for the services and other applications that the user will later utilize.
  • the terminal forms one or more vital user interface parts that are not made accessible until a user is considered to be authorized.
  • the terminal may be constructed so that only the card reader is accessible while the remaining part of the terminal is covered by a protective armoured glass plate or the like.
  • the arrangement may be such as to move up the glass plate to an extent sufficient to expose the keyboard and other vital parts of the user interface when the user is considered to be authorized.
  • terminal booth similar to a telephone booth and provided with a lockable door.
  • the card reader may therewith be placed outside the booth and the door unlocked when the authoriza ⁇ tion check is accepted.
  • the terminal will preferably be of robust construction, so as to withstand normal vandalism for instance.
  • An appropriate mechanical standard in this regard is the standard that applies for the mechanical construction of modern public telephones.
  • the terminal is provided with an internal fault checking and monitoring module 21 designed to communicate with a monitoring centre for issuing fault messages, fire messages, break-in messages, etc.

Abstract

A communications terminal for communication and the transmission of information is intended to be installed in public places and connected to the telephone network. The terminal includes a user interface. The invention is characterized in that the user interface (24) includes a display screen (1), a keyboard (2), a card reader (3, 4) and a telephone receiver (5) for voice-based communication; in that the terminal includes a basic module (11-15) comprising a processor (11) and associated memory (12) in which software forming a basic system is stored, and including hardware and software for external communication (13); in that the terminal is constructed for the connection of hardware and software modules that are configured on top of the basic system and which are constructed for different types of communication; and in that the basic system is constructed to control user activated modules.

Description

A COMMUNICATION AND SERVICE TERMINAL
The present invention relates to a communications and service terminal for use in public and semi-public places.
The only real communications terminals in public places are public telephones. Public telephones are only used for speech communication and are designed particularly for this purpose.
As community communications increase, so does the need of communication forms other than speech communication. The transmission of data between computers with the aid of the telecommunications network is an example of this need.
One problem in this regard is the lack of public communica¬ tion terminals. A problem related with the establishment of public communication terminals is that communication and transmission of information takes place over many different media and with the use of a number of different so-called communication protocols.
The present invention solves this problem and provides a flexible communications terminal which because of its flexibility is well-suited for installation in public and semi-public places.
The present invention thus relates to a communications terminal which is designed for communication purposes and for the transmission of information and for installation in public places, and which is constructed for connection to the telephone network and includes a user interface, wherein the terminal is characterized in that the interface includes a display screen, a keyboard, a card reader and a telephone receiver for voice-based communication; in that the terminal includes a base module which includes a processor and associated memory in which software constituting a basic system is stored, and hardware and software for external commun cation; in that the terminal is constructed for the connection of hardware and software modules configured on top of the basic system, said modules being intended for differ¬ ent types of communication; and in that the basic system is designed to control user activated modules.
The invention will now be described in more detail with reference to an exemplifying embodiment thereof and also with reference to the accompanying drawing, in which
Figure 1 is a block schematic presenting an overview of the invention; and
Figure 2 illustrates by way of example the external design of an inventive terminal.
Figure 2 illustrates by way of example the external design of a communications terminal intended for communication and the transmission of information. The terminal is intended to be installed in public places and to be connected to the telephone network. The terminal includes a user interface.
Any member of the general public may be a terminal user. By public places is meant places to which the general public has access, such as different public localities, hotel lobbies, airport terminals, restaurants, etc. The terminal may also be installed in "outdoor" locations. It is conceivable, and in many cases desirable, to replace an existing public telephone with an inventive terminal.
According to the invention, the user interface 24 includes a display screen 1, a keyboard 2, a card reader 3, 4 and a telephone receiver 5 for voice-based communication, as illustrated in Figure 2. The card reader may comprise two readers 3, 4 for different types of card, for instance one reader for a card that carries a magnetic strip, such as a credit card, and the other a smart card reader. The terminal will preferably also include a telephone keypad 6. However, the keypad may optionally be excluded and the keyboard used instead for entering telephone numbers and the like.
The inventive terminal also includes hardware in the form of a base module (Figure 2) which includes a processor 11 and associated memory 12 in which software constituting a basic system is stored, and hardware and software 13 for external communication.
As shown in Figure 1, the terminal also includes hardware and software 14 for (terminal management and control), and hardware and software 15 for different terminal applications and related services (application and service). These compo¬ nents are referenced 14 and 15 and are included in the basic module.
Another important feature of the invention is that the terminal is constructed for the connection of hardware and software modules which are configured on top of the basic system, said system being designed to control these modules. The modules are intended for different types of communica¬ tion. The basic system is also designed to control user activated modules.
The hardware and software modules include known electronics and software for one, two or more of the functions: data communication over the wire-connected telephone network; data communication over a wireless or cordless telephone network; the establishment of connections between the terminal and existing data network; voice-based telecommunication; and functions for the interactive exchange of data with data bases.
The hardware reguired for each of these modules is intended to be installed in the terminal in card positions 16 provided therefor. The illustrated embodiment has ten electronic card positions.
According to one preferred embodiment, the terminal includes a communications module which includes an electronic card 25 having different communication protocols for communication with one or more networks, and communication standards. This module enables the user to choose between different communi¬ cation protocols in keeping with the information transfer or data communication that the user desires, for instance from a portable computer carried by the user to the terminal. The module chosen may be a module which contains a certain service, such as flight-time information and through which plane tickets can be booked, such as module 26. When choosing this service, the basic system selects the communication protocol appropriate for communication with the data base for aircraft traffic.
For instance, the communications module may include the following standards and protocols: PSTN, ISDN; GSM, NMT, TACS, ETACS; ER ES, POCSAC Wide Area Paging; X.25; TCP/IP; Internet; V.21, V.22, V.23, V.36, V.42.
According to one preferred embodiment of the invention, the terminal includes means for connecting the terminal to the wire-connected telephone network.
According to another embodiment, the terminal includes a transmitter and receiver antenna 17 for connection to a wireless or cordless part of a telephone network. When the terminal shall be capable of communicating over the GSM network for instance, one module is comprised of a GSM electronic card 27 inserted m one of the card positions 16.
In another embodiment, the terminal includes a receiver antenna 18 for receiving broadcasted information, such as teletext information. When the terminal shall be capable of displaying teletext information, there is provided a receiver electronic card 28 which is inserted in one of the card positions 16.
The services provided by the inventive terminal can be chosen from all of the services that are generally available over different types of data networks, such as different types of information services, different types of sales services, etc. , etc.
In addition to different types of data communication, the communications services afforded by the inventive terminal may include text telephony, picture telephony, telefacsimile messages, E-mail, etc. When the terminal includes a picture telephony service, a video camera lens 22 will be installed in the terminal.
The number of services conceivable in the present regard is too large to be recounted in this document. Neither is the present invention restricted to any particular combination of services.
The concept of the invention lies in the provision of a communications terminal which includes the aforesaid basic system to which hardware and software can be added in the form of modules in accordance with desired applications and services, wherein both the basic system and the card posi¬ tions are prepared for connecting a selected module to the terminal.
This enables the terminal to be constructed with, or loaded with, the modules for which a need is found, among other things in view of where the terminal is located. Naturally, the combination of modules in one and the same terminal can be changed when the aforesaid need changes.
The invention is thus implemented with hardware and software modules that can be configured on top of a basic system, i.e. hardware and software for internal control and execution of communications routines and management of all card modules and service applications.
All modules are built from or are comprised of standard components. An open architecture is applied, so that the terminal is able to use any application from any supplier or information donator.
The intelligence in the basic system adapts the terminal to the service desired of the terminal by the terminal owner.
The terminal may operate as a stand-alone terminal or be incorporated in a network.
In one preferred embodiment of the invention, the terminal includes electric ports 19, 20 for connection to a portable computer. The terminal may also include a diskette drive 23 for data-carrying diskettes.
In another preferred embodiment of the invention, the terminal includes a card reader, as before mentioned, wherein the card reading procedure constitutes at least a part of a user authorization check and wherein activation of the terminal for communication purposes is not effected until the user is accepted as being authorized.
This authorization check may involve the user presenting a credit card or smart card to the terminal prior to use, whereupon the terminal checks the validity of the card in question by connecting with a card checking data base in a known manner. The user is able to commence using the terminal only when the card is found to be valid.
When the terminal is constructed to accept credit cards, the user is billed for the use of the terminal on the basis of the credit card number.
The terminal may also be constructed to operate on the basis of a special authorization card, wherewith after having initially been given access to the terminal the user is able to disclose which account shall be billed for the services and other applications that the user will later utilize.
In another preferred embodiment, the terminal forms one or more vital user interface parts that are not made accessible until a user is considered to be authorized. For instance, the terminal may be constructed so that only the card reader is accessible while the remaining part of the terminal is covered by a protective armoured glass plate or the like. The arrangement may be such as to move up the glass plate to an extent sufficient to expose the keyboard and other vital parts of the user interface when the user is considered to be authorized.
It is also conceivable to install the terminal in a terminal booth similar to a telephone booth and provided with a lockable door. The card reader may therewith be placed outside the booth and the door unlocked when the authoriza¬ tion check is accepted.
The terminal will preferably be of robust construction, so as to withstand normal vandalism for instance. An appropriate mechanical standard in this regard is the standard that applies for the mechanical construction of modern public telephones.
In a further preferred embodiment, the terminal is provided with an internal fault checking and monitoring module 21 designed to communicate with a monitoring centre for issuing fault messages, fire messages, break-in messages, etc.
Although the invention has been described with reference to various embodiments thereof, it will be understood that the exterior of the terminal can be constructed in other ways. It will also be understood that services and communication facilities other than those enumerated explicitly in the aforegoing can be implemented.
The present invention shall not therefore be considered to be restricted to the aforedescribed exemplifying embodiments thereof, since variations and modifications can be made within the scope of the following Claims.

Claims

1. A communications terminal for communication and the transmission of information which is intended to be installed in public places and which is constructed for connection to the telephone network, said terminal including a user interface, characterized in that the user interface (24) includes a display screen (1), a keyboard (2), a card reader (3, 4) and a telephone receiver (5) for voice-based communi- cation; in that the terminal includes a basic module (11-15) comprising a processor (11) and associated memory (12) in which software forming a basic system is stored, and further includes hardware and software for external communication (13); in that the terminal is constructed for the connection of hardware and software modules that are configured on top of the basic system and which are constructed for different types of communication; and in that the basic system is constructed to control user activated modules.
2. A terminal according to Claim 1, characterized in that the hardware and software modules include known electronics and software for one, two or more of the functions: data communication over the wire-connected telephone network; data communication over a wireless telephone network; establish- ment of a connection between the terminal and existing data networks; voice-based telecommunication; and functions for the interactive exchange of data with data bases.
3. A terminal according to Claim 1 or Claim 2, character- ized in that the terminal has a communication module (25) which includes different communication protocol for communi¬ cation with one or more networks and communication standards.
4. A terminal according to Claim 1, 2 or 3, characterized in that the terminal includes means (26) for connecting the terminal to the wire-connected telephone network.
5. A terminal according to Claim 1, 2, 3 or 4, character¬ ized in that the terminal includes a transmitter and receiver antenna (17) for connection to a wireless telephone network part.
6. A terminal according to Claim 1, 2, 3, 4 or 5, charac¬ terized in that the terminal includes a receiver antenna (18) for receiving broadcasted information, such aε teletext information.
7. A terminal according to any one of the preceding Claims, characterized in that the terminal interior includes a card position (16) prepared for each said module, for connecting an electronic card for the module in question.
8. A terminal according to any one of the preceding Claims, characterized in that the terminal includes electric ports (19, 20) for connecting a user computer to the terminal.
9. A terminal according to any one of the preceding Claims, characterized in that the terminal includes a card reader (3, 4) for reading a card which constitutes at least a part of a user authorization check; and in that the terminal is constructed so as not to be activated for communication purposes until a user has been considered to be authorized.
10. A terminal according to Claim 9, characterized in that the terminal is constructed to make one or more vital parts of the user interface (24) accessible to a user only when the user is considered to be authorized.
11. A terminal according to any one of the preceding Claims, characterized in that the terminal includes an internal fault checking and monitoring module (21) which functions to send messages to a centre in the event of faults, fire, break-ins, etc.
EP96932908A 1995-09-29 1996-09-25 A communication and service terminal Withdrawn EP0852877A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9503368A SE9503368L (en) 1995-09-29 1995-09-29 Communication and service terminal
SE9503368 1995-09-29
PCT/SE1996/001201 WO1997012479A1 (en) 1995-09-29 1996-09-25 A communication and service terminal

Publications (1)

Publication Number Publication Date
EP0852877A1 true EP0852877A1 (en) 1998-07-15

Family

ID=20399631

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96932908A Withdrawn EP0852877A1 (en) 1995-09-29 1996-09-25 A communication and service terminal

Country Status (5)

Country Link
EP (1) EP0852877A1 (en)
AU (1) AU7151396A (en)
NO (1) NO981384L (en)
SE (1) SE9503368L (en)
WO (1) WO1997012479A1 (en)

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CA2254814A1 (en) * 1997-12-23 1999-06-23 Northern Telecom Limited Access terminal with printer
EP0946029A1 (en) * 1998-03-23 1999-09-29 Company for Technology Transfer and Patents Sark-Kistner Telephone booth
GB2338145A (en) * 1998-05-21 1999-12-08 Pathfinder Investments Limited Message display terminal
FR2783383B1 (en) * 1998-09-15 2002-05-10 France Telecom PUBLIC PHONE EQUIPPED WITH MEANS OF ACCESS TO COMPUTER NETWORKS
FR2785127B1 (en) 1998-10-08 2004-02-20 All Net TELECOMMUNICATION CABIN PROVIDING ACCESS TO SERVICES AVAILABLE ON COMMUNICATION OR ENERGY NETWORKS, ACCESS DEVICE IMPLEMENTED IN THE CAB, AND SYSTEM AND METHOD FOR MANAGING ACCESS THEREOF
FR2793100B1 (en) * 1999-04-30 2001-07-13 France Telecom TERMINAL DEVICE WITH TELEPHONE LINE PROVIDING TOLL WITH CONNECTION OF DATA EXCHANGE EQUIPMENT
JP2002024892A (en) * 2000-06-16 2002-01-25 Kovecom Co Ltd Public telephone having cash withdrawal function
FR2819619A1 (en) * 2001-01-16 2002-07-19 Hubert Riahi Method for updating messages on drink and food distribution dispenser by sending SMS format messages from a central location to a GSM modem in the dispenser so that local updating is not required
EP1458173A1 (en) * 2003-03-08 2004-09-15 IPM International SA Module for the treatment and transmission of digital data for public telephones

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Title
See references of WO9712479A1 *

Also Published As

Publication number Publication date
SE9503368D0 (en) 1995-09-29
SE9503368L (en) 1997-03-30
AU7151396A (en) 1997-04-17
NO981384D0 (en) 1998-03-26
NO981384L (en) 1998-03-26
WO1997012479A1 (en) 1997-04-03

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