| Patents for H04M 17 - Prepayment telephone systems (5,258) |
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| 02/27/2001 | USRE37067 Chip card based payment system having an on-card flag for specifying proper completion of a prior card balance replenishment session |
| 02/27/2001 | US6195422 Method for providing equal access dialing for pre-paid telecommunication services |
| 02/27/2001 | CA2206468C Communications apparatus |
| 02/22/2001 | WO2001013619A2 Device, installation and method for protection against fraud in a telephone communication network in a system of prepaid communication service |
| 02/22/2001 | DE19938089A1 Releasing mobile terminal such as mobile telephone to work with any SIM by comparing outgoing call time with threshold value to determine validity |
| 02/20/2001 | US6192348 Method for compiling accounting data for the utilization of programmed services or services available via a program |
| 02/20/2001 | US6192117 Telephone calling card with enhanced features |
| 02/20/2001 | US6192113 Method and apparatus for phone card billing |
| 02/15/2001 | WO2001011859A1 Tariff determination in mobile telecommunication networks |
| 02/15/2001 | WO2001011857A1 Pre-paid mobile telephone air-time replenishing system and method |
| 02/15/2001 | WO2001010653A1 Business card to retrieve associated web page |
| 02/14/2001 | CN1283922A Communication method for intelligent public telephone system |
| 02/13/2001 | US6188757 System and method for automatic provision customer selection, and deactivation of temporary advance intelligent network services |
| 02/13/2001 | US6188752 Method and apparatus for providing prepaid telecommunications services |
| 02/13/2001 | CA2107865C Wireless debit card system and method |
| 02/08/2001 | WO2001010109A2 Charging control in a mobile telecommunications system |
| 02/08/2001 | WO2001009853A1 System and method for prepaid account replenishment |
| 02/07/2001 | EP1075134A1 Telephone rate managing system |
| 02/07/2001 | CN1283359A Electronic card support plate in telephone set |
| 02/07/2001 | CN1283358A Supporting supplementary services in intelligent network |
| 02/06/2001 | US6185414 Wireless telecommunication system with prepaid architecture |
| 02/06/2001 | US6183017 Telephone calling card coupon |
| 02/01/2001 | WO2000057624A3 Advanced payphone system and method for advertising on payphones over a communication network |
| 01/30/2001 | US6181787 System and method for automated provision and customer selection of temporary advanced intelligent network services |
| 01/25/2001 | WO2001006753A1 Method of billing subscribers in telecommunication network |
| 01/25/2001 | WO2000052921A3 Cellular communications when roaming |
| 01/24/2001 | EP1071270A1 Public terminal for allowing access to a computer network |
| 01/24/2001 | EP0929880B1 Cashless payment by means of a mobile radio apparatus |
| 01/23/2001 | US6178234 Intelligent networked, automated telephone calling card service system capable of bailout to an operator |
| 01/23/2001 | CA2310152A1 Method and apparatus for managing debit card/prepaid card services in a telephone network |
| 01/18/2001 | WO2001005138A1 Payphone management system |
| 01/18/2001 | WO2001005137A1 Payphone management system |
| 01/18/2001 | DE19929800A1 Prepaid-Service für mobile Paketdatennetze Prepaid service for mobile packet data networks |
| 01/17/2001 | CN2415561Y Telephone number roam and card account interactive charge type IC card telephone |
| 01/11/2001 | WO2001003415A1 Information distribution method |
| 01/10/2001 | EP1067752A1 Mobile telephone system, computer program, wireless hand-holdable telephone unit and method for making or keeping a mobile telephone unit active |
| 01/10/2001 | CN1279558A Automatic paying system of telephone with telephone card over intelligent network |
| 01/09/2001 | US6173171 Method and apparatus for generating billing data in a telecommunication system |
| 01/09/2001 | US6173049 System and method for automated provision and customer selection of temporary caller identification services |
| 01/09/2001 | US6173048 System and method for notifying a customer of a call from a particular number |
| 01/09/2001 | US6173047 System and method for temporary voicemail service |
| 01/09/2001 | US6170745 Wireless debit card system and method |
| 01/03/2001 | EP1065838A2 Prepaid service for mobile packet data networks |
| 01/03/2001 | EP1064777A1 Mobile telephone system with prepaid card |
| 01/03/2001 | EP1064776A1 Method for securely managing a units counter and security module implementing said method |
| 01/03/2001 | CN1278979A Billing process and system in a telecommunication network |
| 01/02/2001 | US6169890 Mobile telephone system and method for carrying out financial transactions using a mobile telephone system |
| 01/02/2001 | CA2205938C Handicap telephone with associated booth |
| 12/28/2000 | WO2000079492A1 System and method for acquiring pre-paid products and services |
| 12/28/2000 | DE19928067A1 Enabling decoding of encoded information transmitted via public communications channel of air interface of GSM network involves sending key over public channel, storing in terminal |
| 12/26/2000 | US6167251 Keyless portable cellular phone system having remote voice recognition |
| 12/21/2000 | WO2000046709A3 Wireless subscriber unit and method for managing smart card data |
| 12/20/2000 | CN2411153Y Communication periphery equipment capable of folding and combined with vehicle steering wheel |
| 12/20/2000 | CN1277515A Automatically-calling intelligent-platform memory card telephone set |
| 12/19/2000 | US6163603 Coin escrow apparatus with relay switch contact simulator |
| 12/19/2000 | US6163598 Interactive graphic payphone |
| 12/19/2000 | CA2250127C Universal telecommunications services account |
| 12/14/2000 | WO2000076249A1 Mobile internet access |
| 12/14/2000 | WO2000075880A1 Acoustic-mechanical verification transmitter |
| 12/13/2000 | CN1276951A Vehicle communication system |
| 12/12/2000 | US6160874 Validation gateway |
| 12/07/2000 | DE19925509A1 Akustisch-mechanisches Verifikations-Sendegerät Acoustic-mechanical verification transmitter |
| 12/06/2000 | EP1057350A2 Identification card and billing process with an identification card |
| 12/06/2000 | EP1057320A1 Public telephone |
| 12/06/2000 | CN1275756A Telephone card collection method |
| 12/05/2000 | US6157823 Security cellular telecommunications system |
| 11/30/2000 | WO2000072571A2 Method and system for ip-based called party billing |
| 11/29/2000 | CN1275037A Method and arragement for improving service of intelligent telephone network in wireless environment |
| 11/28/2000 | US6154532 Charge minimizing callback system |
| 11/23/2000 | WO2000070861A1 Device for securing a telephone line in the audible range |
| 11/23/2000 | WO2000070858A1 Method and system for charging value-added calls |
| 11/23/2000 | WO2000070842A2 Method for the management of data by a security module and corresponding security module |
| 11/22/2000 | EP1054567A2 Method and apparatus to enable enhanced services of an intelligent telephone network in a wireless environment |
| 11/22/2000 | EP1053630A1 Supporting supplementary services in an intelligent network |
| 11/22/2000 | CN1274228A Intelligent public telephone system and its communication method |
| 11/21/2000 | US6149353 Wireless prepaid telephone system with dispensable intruments |
| 11/21/2000 | CA2188879C Network termination equipment |
| 11/16/2000 | WO2000069201A1 Tariff determination in mobile telecommunication networks |
| 11/16/2000 | WO2000069118A1 Prepaid subscriber service for packet-switched and circuit-switched radio telecommunications networks |
| 11/16/2000 | CA2371143A1 Tariff determination in mobile telecommunication networks |
| 11/15/2000 | EP1052600A2 Device for reception, collection and return of coins in coin operated machines |
| 11/15/2000 | CN1273736A Communications system and method therefor |
| 11/09/2000 | WO2000067461A1 Terminal for providing an interactive service on a screen by means of a private network and private network system for providing services |
| 11/08/2000 | EP1050157A1 Method and device for calculating charges in telecommunications networks |
| 11/08/2000 | EP1050031A2 Access and billing method using a chip card |
| 11/07/2000 | US6144847 Wireless telephone with credited airtime |
| 11/02/2000 | WO2000065859A1 Billing method for connections in a mobile network and an identification module suited therefor |
| 11/02/2000 | WO2000065820A1 A method of managing prepaid subscription information |
| 11/02/2000 | CA2367437A1 A method of managing prepaid subscription information |
| 11/01/2000 | CN2404284Y Improvement of coin-freed structure |
| 11/01/2000 | CN1272025A Electronic value flexible use system and method service device and record medium |
| 10/25/2000 | CN1271228A Pre payment accounting method in communication system |
| 10/24/2000 | US6137872 Combination pre-paid and calling card |
| 10/19/2000 | WO2000062523A1 Interactive multi-media payphone system conbining networking and telephony technology |
| 10/18/2000 | EP1045568A2 Prepaid billing method for communication systems |
| 10/17/2000 | US6134309 Pre-paid phone card system with promotional link |
| 10/15/2000 | CA2301341A1 Prepaid billing method for communication systems |
| 10/12/2000 | WO2000021273A9 Systems and methods for prerating costs for a communication event |
| 10/10/2000 | US6131024 System and method for setting subscriber-defined usage limits on a mobile terminal |
| 10/05/2000 | WO2000059185A1 Method and system for transferring telecommunication-time units among accounts and exchanging same for goods and services |