WO1998011710A1 - Wireless public telephone with direct billing of user credit or debit card - Google Patents

Wireless public telephone with direct billing of user credit or debit card Download PDF

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Publication number
WO1998011710A1
WO1998011710A1 PCT/IL1997/000297 IL9700297W WO9811710A1 WO 1998011710 A1 WO1998011710 A1 WO 1998011710A1 IL 9700297 W IL9700297 W IL 9700297W WO 9811710 A1 WO9811710 A1 WO 9811710A1
Authority
WO
WIPO (PCT)
Prior art keywords
telephone
public telephone
base stations
cordless
public
Prior art date
Application number
PCT/IL1997/000297
Other languages
French (fr)
Inventor
Meir Laiser
Original Assignee
Meir Laiser
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 Meir Laiser filed Critical Meir Laiser
Priority to EP97937795A priority Critical patent/EP0958693A4/en
Priority to BR9712039-1A priority patent/BR9712039A/en
Priority to AU40302/97A priority patent/AU4030297A/en
Priority to JP51345298A priority patent/JP2001505725A/en
Publication of WO1998011710A1 publication Critical patent/WO1998011710A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • H04M15/30—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal the meter or calculation of charges not being controlled from an exchange
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • 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
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/32—Involving wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/92—Autonomous calculations of charges in terminal, i.e. meter not controlled from exchange
    • 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
    • H04W88/02—Terminal devices

Definitions

  • the present invention relates to telephony in general and more particularly to public telephones.
  • Public telephones are well known in most parts of the world. Conventional public telephones have fixed locations and require that a user be physically present at the fixed location in order to use the telephone. Often, the physical location of the telephone is inconvenient for the user to get to and is in an unsuitable environment, in terms of background noise, exposure to the elements, vandalism or personal safety. For the foregoing reasons, many public telephones are uneconomical to the operator due to low utilization coupled with high installation and maintenance costs.
  • U.S. Patent 5,327,482 describes a public cordless telephone system which employs a base station having an associated charger for mobile units, called branch units, and which includes a theft prevention function. This system employs an identification signal detecting circuit for collating an identification signal determined by a combination of the base unit and the branch unit .
  • U.S. Patent 5,359,182 describes a wireless telephone debit card system and method.
  • the debit card used in this system requires an identification number or personal access number.
  • the present invention seeks to provide a public telephone system having enhanced flexibility in that it employs cordless telephones .
  • the public telephone system of the present invention employs preferably does not include any billing infrastructure and is merely operative to debit credit cards or debit cards associated with the cordless telephones.
  • the public telephone system does not require the use of regulated frequencies and/or transmission power levels.
  • the system of the present invention does not require any identification number for a cordless telephone or for a debit card.
  • cordless telephone encompasses any wireless communication device, for example, a cordless telephone, a cellular telephone, a pager, or a walkie-talkie device.
  • a public telephone system comprising a plurality of public telephone base stations, each being connected to a telephone network and a multiplicity of cordless telephones, each being capable of communicating with any nearby one of the plurality of base stations in a wireless manner, wherein identification of the identity of the cordless telephone to the telephone network is not required.
  • the public telephone base station participates in billing by billing a credit facility associated with a cordless telephone.
  • a public telephone system comprising a plurality of public telephone base stations, each being connected to a telephone network and a multiplicity of cordless telephones, each being capable of communicating with any nearby one of the plurality of base stations in a wireless manner which does not utilize frequencies and/or transmission power levels which requiring licensing.
  • the telephone base station is equipped to provide telephone connections to a plurality of cordless telephones simultaneously in a multi-channel arrangement.
  • the telephone base station may be associated with or mounted within a conventional fixed public telephone or alternatively need not be associated with a fixed public telephone.
  • the telephone base station may employ dedicated lines or may time share lines with other users at time when such lines are not needed.
  • a given cordless telephone is not restricted to use with a given base station.
  • Each cordless telephone preferably includes a credit or debit card acceptor which enables billing to be effected using such a credit card.
  • the base station does not participate in billing, other than by debiting a debit card.
  • cordless telephone does not accept incoming calls.
  • Fig. 1 is a simplified block diagram illustration of a public telephone system constructed and operative in accordance with a preferred embodiment of the present invention
  • Figs. 2A and 2B are simplified illustra- tions of two alternative embodiments of a base station associated with a conventional public telephone;
  • Fig. 3 is a simplified illustration of a base station associated with a PABX in a time-shared arrangement
  • Fig. 4 is a simplified illustration of a base station associated with an ordinary telephone set in a time-shared arrangement
  • Fig. 5 is a simplified block diagram illustration of a cordless telephone useful in accordance with a preferred embodiment of the present invention.
  • Fig. 1 is a simplified block diagram illustration of a public telephone system constructed and operative in accordance with a preferred embodiment of the present invention.
  • the system preferably includes a plurality of base stations 10, each of which is connected, in a conventional manner, to a telephone network 12.
  • the base stations 10 may be stand-alone base stations, as indicated by reference numeral 14, base stations associated with a conventional public telephone, as indicated by reference numeral 16, or base stations 18 associated, on a time-shared basis with other non-public users, such as via a user's PABX.
  • a multiplicity of user-carried cordless telephones 20 are provided and each may be used with any of the base stations 10 which is sufficiently close to the base station so that communication can be established.
  • frequencies and/or transmission power levels which do not require licensing are employed.
  • Preferable frequencies are ISM frequencies and power levels.
  • Preferable SPSP or FFH links are employed.
  • the cordless telephones 20 are maintained in the possession of individual users, who can use them to make public telephone calls whenever they are within a communicable distance from a base station.
  • no billing is involved, since all charges are deducted from a debit card associated with each cordless telephone, which preferably includes a credit or debit card acceptor.
  • a single line base station 30 and a conventional public telephone 32 both connected via a time sharing switch 34 via a single telephone line 36 with a public switched telephone network 38.
  • the telephone line is available to the either the conventional public telephone 32 or to a wireless telephone 39 operating via the base station 30 according to which of the two first seizes the line.
  • Fig. 2B illustrates a multi-channel base station 40 and a conventional public telephone 42 both associated with a public switched telephone network 44 via a multiplexed line 46 having suitable pair gain multiplexers 48 and 50 associated therewith at both ends thereof, thus providing multiple line functionality and simultaneous operation of both the conventional public telephone 42 and multiple wireless telephones 52 via the base station 40.
  • a base station 60 associated with a PABX 62 in a time- shared arrangement Base station 60 is allocated a line or lines subject to availability, based on having a lower priority than the other subscribers served by the PABX. In this manner, excess line capacity of the PABX 62 may be employed by one or more wireless telephones 64 operating via the base station 60.
  • Fig. 4 illustrates a preferred configuration of a base station which may be associated with a PABX in a time-shared arrangement such as that illustrated in Fig. 3.
  • the base station preferably comprises a transceiver 70 and associated pulse meter and credit controller 72 which are interposed between the PABX and cordless telephones 74.
  • cordless telephones 74 may generally only be used for outgoing calls.
  • a conventional paging network 76 may be provided to notify a user of incoming messages.
  • a conventional pager 78 may be incorporated into a cordless telephone 74, as illustrated.
  • Fig. 5 is a simplified block diagram illustration of a cordless telephone 80 useful in accordance with a preferred embodiment of the present invention.
  • the cordless telephone preferably incorporates a transceiver 82, a controller 84 and a free channel display 86 indicating available channel status.
  • the cordless telephone 80 also incorporates a credit card acceptor 88 and a credit status display 90.

Abstract

This invention provides a public telephone system including a plurality of public telephone base stations (10), each being connected to a telephone network (12), and a multiplicity of cordless telephones (20), each being capable of communicating with the telephone network (12) via any one of the plurality of base stations (10) which is within a range of distances which enables such communication to occur in a wireless manner. The system and its method of operation are characterized in that the cordless telephone (20) need not identify itself to the telephone network (12) and the telephone network (12) need not participate in billing, other than by debiting a payment facility associated with the cordless telephone (20). The communication between the base station and the cordless telephone (20) may avoid use of frequencies and transmission power levels which require licensing.

Description

WIRELESS PUBLIC TELEPHONE WITH DIRECT BILLING OF USER CREDIT OR DEBIT CARD
The present invention relates to telephony in general and more particularly to public telephones.
Public telephones are well known in most parts of the world. Conventional public telephones have fixed locations and require that a user be physically present at the fixed location in order to use the telephone. Often, the physical location of the telephone is inconvenient for the user to get to and is in an unsuitable environment, in terms of background noise, exposure to the elements, vandalism or personal safety. For the foregoing reasons, many public telephones are uneconomical to the operator due to low utilization coupled with high installation and maintenance costs.
The relatively recent mass acceptance of mobile telephones, including PCS and cellular telephones, has somewhat reduced the usage of conventional public telephones. Conventional mobile telephone networks, such as PCS and cellular public telephone networks, employ wavelengths and transmission power levels which are regulated and require licenses. Conventional mobile telephone networks provide billing functionality through the network which is a substantial cost factor both for the operator and the user.
U.S. Patent 5,327,482 describes a public cordless telephone system which employs a base station having an associated charger for mobile units, called branch units, and which includes a theft prevention function. This system employs an identification signal detecting circuit for collating an identification signal determined by a combination of the base unit and the branch unit .
U.S. Patent 5,359,182 describes a wireless telephone debit card system and method. The debit card used in this system requires an identification number or personal access number.
The present invention seeks to provide a public telephone system having enhanced flexibility in that it employs cordless telephones . The public telephone system of the present invention employs preferably does not include any billing infrastructure and is merely operative to debit credit cards or debit cards associated with the cordless telephones.
Preferably, but not necessarily, the public telephone system does not require the use of regulated frequencies and/or transmission power levels. Unlike the prior art, the system of the present invention does not require any identification number for a cordless telephone or for a debit card.
It is noted that throughout the specification and claims the term "cordless telephone" encompasses any wireless communication device, for example, a cordless telephone, a cellular telephone, a pager, or a walkie-talkie device.
There is thus provided in accordance with a preferred embodiment of the present invention a public telephone system comprising a plurality of public telephone base stations, each being connected to a telephone network and a multiplicity of cordless telephones, each being capable of communicating with any nearby one of the plurality of base stations in a wireless manner, wherein identification of the identity of the cordless telephone to the telephone network is not required.
Preferably, the public telephone base station participates in billing by billing a credit facility associated with a cordless telephone.
There is also provided in accordance with a preferred embodiment of the present invention a public telephone system comprising a plurality of public telephone base stations, each being connected to a telephone network and a multiplicity of cordless telephones, each being capable of communicating with any nearby one of the plurality of base stations in a wireless manner which does not utilize frequencies and/or transmission power levels which requiring licensing.
In accordance with a preferred embodiment of the present invention, the telephone base station is equipped to provide telephone connections to a plurality of cordless telephones simultaneously in a multi-channel arrangement.
The telephone base station may be associated with or mounted within a conventional fixed public telephone or alternatively need not be associated with a fixed public telephone.
The telephone base station may employ dedicated lines or may time share lines with other users at time when such lines are not needed.
It is a particular feature of the present invention that a given cordless telephone is not restricted to use with a given base station.
Each cordless telephone preferably includes a credit or debit card acceptor which enables billing to be effected using such a credit card. Preferably, the base station does not participate in billing, other than by debiting a debit card.
Normally the cordless telephone does not accept incoming calls.
The present invention will be understood and appreciated more fully from the following detailed description, taken in conjunction with the drawings in which:
Fig. 1 is a simplified block diagram illustration of a public telephone system constructed and operative in accordance with a preferred embodiment of the present invention;
Figs. 2A and 2B are simplified illustra- tions of two alternative embodiments of a base station associated with a conventional public telephone;
Fig. 3 is a simplified illustration of a base station associated with a PABX in a time-shared arrangement;
Fig. 4 is a simplified illustration of a base station associated with an ordinary telephone set in a time-shared arrangement; and
Fig. 5 is a simplified block diagram illustration of a cordless telephone useful in accordance with a preferred embodiment of the present invention.
Reference is now made to Fig. 1, which is a simplified block diagram illustration of a public telephone system constructed and operative in accordance with a preferred embodiment of the present invention. The system preferably includes a plurality of base stations 10, each of which is connected, in a conventional manner, to a telephone network 12.
As will be described hereinbelow, the base stations 10 may be stand-alone base stations, as indicated by reference numeral 14, base stations associated with a conventional public telephone, as indicated by reference numeral 16, or base stations 18 associated, on a time-shared basis with other non-public users, such as via a user's PABX.
A multiplicity of user-carried cordless telephones 20 are provided and each may be used with any of the base stations 10 which is sufficiently close to the base station so that communication can be established. Preferably, but not necessarily frequencies and/or transmission power levels which do not require licensing are employed. Preferable frequencies are ISM frequencies and power levels. Preferably secure SPSP or FFH links are employed. Normally the cordless telephone must be within a suitable distance from a base station 10 in order to effect communication. In accordance with a preferred embodiment of the invention, the cordless telephones 20 are maintained in the possession of individual users, who can use them to make public telephone calls whenever they are within a communicable distance from a base station. Preferably, no billing is involved, since all charges are deducted from a debit card associated with each cordless telephone, which preferably includes a credit or debit card acceptor.
Various types of base stations may be provided. Referring now to Fig. 2A, there is seen a single line base station 30 and a conventional public telephone 32 both connected via a time sharing switch 34 via a single telephone line 36 with a public switched telephone network 38. In practice, the telephone line is available to the either the conventional public telephone 32 or to a wireless telephone 39 operating via the base station 30 according to which of the two first seizes the line.
Fig. 2B illustrates a multi-channel base station 40 and a conventional public telephone 42 both associated with a public switched telephone network 44 via a multiplexed line 46 having suitable pair gain multiplexers 48 and 50 associated therewith at both ends thereof, thus providing multiple line functionality and simultaneous operation of both the conventional public telephone 42 and multiple wireless telephones 52 via the base station 40.
Referring now to Fig. 3, there is seen a base station 60 associated with a PABX 62 in a time- shared arrangement. Base station 60 is allocated a line or lines subject to availability, based on having a lower priority than the other subscribers served by the PABX. In this manner, excess line capacity of the PABX 62 may be employed by one or more wireless telephones 64 operating via the base station 60. Fig. 4 illustrates a preferred configuration of a base station which may be associated with a PABX in a time-shared arrangement such as that illustrated in Fig. 3. The base station preferably comprises a transceiver 70 and associated pulse meter and credit controller 72 which are interposed between the PABX and cordless telephones 74.
In the illustrated embodiment of the invention, cordless telephones 74 may generally only be used for outgoing calls. A conventional paging network 76 may be provided to notify a user of incoming messages. A conventional pager 78 may be incorporated into a cordless telephone 74, as illustrated.
Reference is now made to Fig. 5, which is a simplified block diagram illustration of a cordless telephone 80 useful in accordance with a preferred embodiment of the present invention. The cordless telephone preferably incorporates a transceiver 82, a controller 84 and a free channel display 86 indicating available channel status. Preferably, the cordless telephone 80 also incorporates a credit card acceptor 88 and a credit status display 90.
It will be appreciated by persons skilled in the art that the present invention is not limited to what has been particularly shown and described hereina- bove. Rather the scope of the present invention is defined only by the claims which follow:

Claims

C L A I M S
1. A public telephone system comprising a plurality of public telephone base stations, each being connected to a telephone network and a multiplicity of cordless telephones, each being capable of communicating with any nearby one of the plurality of base stations in a wireless manner, wherein identification of the identity of a cordless telephone to said public telephone base station is not required.
2. A public telephone system comprising a plurality of public telephone base stations, each being connected to a telephone network; and a multiplicity of cordless telephones, each being capable of communicating with said telephone network via any one of the plurality of base stations which is within a range of distances which enables such communication to occur in a wireless manner which does not utilize frequencies and transmission power levels which requiring licensing.
3. A public telephone system according to claim 1 and wherein the base station bills a payment facility associated with a cordless telephone.
4. A public telephone system according to claim 2 and wherein at least some of said multiplicity of cordless telephones each are associated with a payment facility.
5. A public telephone system according to any of the preceding claims and wherein at least some of said plurality of telephone base stations are equipped to provide telephone connections with a plurality of cord- less telephones simultaneously.
6. A public telephone system according to any of the preceding claims and wherein at least one of said plurality of telephone base stations are associated with a conventional fixed public telephone.
7. A public telephone system according to any of the preceding claims and wherein at least one of said plurality of telephone base stations are not associated with a conventional fixed public telephone.
8. A public telephone system according to any of the preceding claims and wherein at least one of said plurality of telephone base stations employs dedicated lines.
9. A public telephone system according to any of the preceding claims and wherein at least one of said plurality of telephone base stations shares lines with non-public telephone users at times when such lines are not needed by said non-public telephone users.
10. A public telephone system according to any of the preceding claims and wherein at least some of said multiplicity of cordless telephones are not restricted to use with a given base station.
11. A public telephone system according to any of the preceding claims and wherein at least some of said multiplicity of cordless telephones include a credit or debit card acceptor which enables billing to be effected.
12. A public telephone system according to any of the preceding claims and wherein at least some of said plurality of base stations do not participate in billing, other than by debiting a debit card.
13. A public telephone system according to any of the preceding claims and wherein said multiplicity of cordless telephones are not restricted to use with an identification number.
14. A public telephone system according to claim 11 and wherein a debit card which communicates with said debit card acceptor is not restricted to use with an identification number.
15. For use in a public telephone system comprising a plurality of public telephone base stations, each being connected to a telephone network, a cordless telephone, being capable of communicating with said telephone network via any one of the plurality of base stations which is within a range of distances which enables such communication to occur in a wireless manner which does not utilize frequencies and transmission power levels which requiring licensing.
16. A cordless telephone according to claim 13 and also comprising a payment facility.
17. A cordless telephone according to claim 14 and wherein said payment facility comprises a card acceptor.
18. For use in a public telephone system comprising a plurality of public telephone base stations, each being connected to a telephone network, a cordless telephone, being capable of communicating with said telephone network via any one of the plurality of base stations which is within a range of distances which enables such communication to occur in a wireless manner, the cordless telephone not providing an identification number associ- ated with the telephone to a base station in order to operate therewith.
19. A method for operating public telephone system comprising a plurality of public telephone base stations, each being connected to a telephone network and a multiplicity of cordless telephones, each being capable of communicating with any nearby one of the plurality of base stations in a wireless manner, the method being characterized in that identification of the identity of a cordless telephone to said public telephone base station is not required.
20. A method for operating public telephone system comprising a plurality of public telephone base stations, each being connected to a telephone network; and a multiplicity of cordless telephones, each being capable of communicating with said telephone network via any one of the plurality of base stations which is within a range of distances which enables such communication to occur in a wireless manner, the method being characterized in it does not employ frequencies and transmission power levels which requiring licensing.
21. A method according to claim 19 and wherein the base station bills a payment facility associated with a cordless telephone.
22. A method according to claim 20 and wherein at least some of said multiplicity of cordless telephones each are associated with a payment facility.
23. A method according to any of the preceding claims 19 - 22 and wherein at least some of said plurality of telephone base stations provide telephone connections with a plurality of cordless telephones simultane- ously.
24. A method according to any of the preceding claims 19 - 23 wherein at least one of said plurality of telephone base stations are associated with a conventional fixed public telephone.
25. A method according to any of the preceding claims 19 - 24 and wherein at least one of said plurality of telephone base stations are not associated with a conventional fixed public telephone.
26. A method according to any of the preceding claims 19 - 25 and wherein at least one of said plurality of telephone base stations employs dedicated lines.
27. A method according to any of the preceding claims 19 - 26 and wherein at least one of said plurality of telephone base stations shares lines with non-public telephone users at times when such lines are not needed by said non-public telephone users.
28. A method according to any of the preceding claims 19 - 27 and wherein at least some of said multiplicity of cordless telephones are not restricted to use with a given base station.
29. A method according to any of the preceding claims 19 - 28 and wherein at least some of said multiplicity of cordless telephones employ a credit or debit card acceptor which enables billing to be effected.
30. A method according to any of the preceding claims 19 - 29 and wherein at least some of said plurality of base stations do not participate in billing, other than by debiting a debit card.
31. A method according to any of the preceding claims 19 - 30 and wherein said multiplicity of cordless telephones are not restricted to use with an identification number.
32. A method according to claim 31 and wherein a debit card which communicates with said debit card acceptor is not restricted to use with an identification number.
PCT/IL1997/000297 1996-09-12 1997-09-07 Wireless public telephone with direct billing of user credit or debit card WO1998011710A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP97937795A EP0958693A4 (en) 1996-09-12 1997-09-07 Wireless public telephone with direct billing of user credit or debit card
BR9712039-1A BR9712039A (en) 1996-09-12 1997-09-07 Public telephone system, cordless telephone for use in it, and process of its operation.
AU40302/97A AU4030297A (en) 1996-09-12 1997-09-07 Wireless public telephone with direct billing of user credit or debit card
JP51345298A JP2001505725A (en) 1996-09-12 1997-09-07 A wireless payphone that charges the user's credit or debit card directly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL119248 1996-09-12
IL11924896A IL119248A0 (en) 1996-09-12 1996-09-12 Telephone system

Publications (1)

Publication Number Publication Date
WO1998011710A1 true WO1998011710A1 (en) 1998-03-19

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ID=11069298

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL1997/000297 WO1998011710A1 (en) 1996-09-12 1997-09-07 Wireless public telephone with direct billing of user credit or debit card

Country Status (6)

Country Link
EP (1) EP0958693A4 (en)
JP (1) JP2001505725A (en)
AU (1) AU4030297A (en)
BR (1) BR9712039A (en)
IL (1) IL119248A0 (en)
WO (1) WO1998011710A1 (en)

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FR2782881A1 (en) * 1998-08-28 2000-03-03 France Telecom Public telephone system with radio link to cordless handsets, provides portable units with individual metering for charging using memory cards
EP1003345A1 (en) * 1998-11-19 2000-05-24 Alcatel Wireless telecommunication system with extended mobility
FR2801156A1 (en) * 1999-11-17 2001-05-18 Design Associates Public telephone system has short range radio phones replaces telephone boxes avoids queues is cheaper than GSM
WO2003041348A1 (en) 2001-11-07 2003-05-15 Teliasonera Finland Oyj Providing wireless data services via public telephones
EP1417851A1 (en) * 2001-08-17 2004-05-12 SBC Technology Resources, Inc. Public wireless local area network
EP1648184A1 (en) * 2004-10-12 2006-04-19 Deutsche Telekom AG Communication method for accessing a telecommunication network via a public access point
EP1648120A3 (en) * 2004-10-12 2006-05-24 Deutsche Telekom AG Communication method including push-to-talk functionality

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2782881A1 (en) * 1998-08-28 2000-03-03 France Telecom Public telephone system with radio link to cordless handsets, provides portable units with individual metering for charging using memory cards
EP1003345A1 (en) * 1998-11-19 2000-05-24 Alcatel Wireless telecommunication system with extended mobility
FR2786354A1 (en) * 1998-11-19 2000-05-26 Cit Alcatel WIDE MOBILITY WIRELESS TELECOMMUNICATION SYSTEM
FR2801156A1 (en) * 1999-11-17 2001-05-18 Design Associates Public telephone system has short range radio phones replaces telephone boxes avoids queues is cheaper than GSM
EP1417851A1 (en) * 2001-08-17 2004-05-12 SBC Technology Resources, Inc. Public wireless local area network
EP1417851A4 (en) * 2001-08-17 2008-12-31 Sbc Techn Res Inc Public wireless local area network
WO2003041348A1 (en) 2001-11-07 2003-05-15 Teliasonera Finland Oyj Providing wireless data services via public telephones
EP1648184A1 (en) * 2004-10-12 2006-04-19 Deutsche Telekom AG Communication method for accessing a telecommunication network via a public access point
EP1648120A3 (en) * 2004-10-12 2006-05-24 Deutsche Telekom AG Communication method including push-to-talk functionality
US8200276B2 (en) 2004-10-12 2012-06-12 Deutsche Telekom Ag Communication method

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IL119248A0 (en) 1996-12-05
BR9712039A (en) 2000-01-18
AU4030297A (en) 1998-04-02
JP2001505725A (en) 2001-04-24
EP0958693A1 (en) 1999-11-24
EP0958693A4 (en) 2000-02-02

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