| Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881) |
|---|
| 09/20/1994 | US5349633 Telephonic-interface game control system |
| 09/20/1994 | US5349579 Telecommunication switch with programmable communications services |
| 09/20/1994 | US5349341 Quad channel unit health registers with "OR" function means |
| 09/16/1994 | CA2091658A1 Method and apparatus for automation of directory assistance using speech recognition |
| 09/15/1994 | WO1994021091A1 Circuit arrangement for integrating edp systems in the use of telephone installations |
| 09/15/1994 | WO1994021084A1 Interactive system for telephone and video communication including capabilities for remote monitoring |
| 09/15/1994 | WO1994021075A1 Method of informing a subscriber in a radio telephone system of facilities activated for the subscriber station |
| 09/15/1994 | WO1994020904A1 Queue managing system and method |
| 09/15/1994 | CA2157504A1 Queue managing system and method |
| 09/14/1994 | EP0615373A1 Method and system for unified voice telephone services |
| 09/14/1994 | EP0615372A1 Improved data terminal for telephone circuits |
| 09/14/1994 | EP0615368A2 Multi-media integrated message arrangement |
| 09/14/1994 | EP0615210A2 IC-card |
| 09/14/1994 | EP0614597A1 Improved call pacing with call termination prior to first ring in potential no operator condition |
| 09/14/1994 | EP0614590A1 Telematic terminal with full or reduced wanted information bit rate |
| 09/13/1994 | US5347576 Line interface unit retrofit circuit |
| 09/13/1994 | US5347575 Circuit to detect the hook status and ringing at the CPE end of a telephone network |
| 09/13/1994 | US5347574 Automated call screening |
| 09/13/1994 | US5347573 Method for influencing a signalling procedure implemented in a communication terminal equipment |
| 09/13/1994 | US5347568 Emergency call station identification system |
| 09/13/1994 | US5347565 Order wire device having function for reducing noise in communication system having a plurality of order wire devices |
| 09/13/1994 | US5347564 Automated translation input system |
| 09/13/1994 | US5347544 Gain or loss compensation circuit for telephone lines |
| 09/13/1994 | US5347511 Traffic management in packet communications networks |
| 09/13/1994 | CA2030439C Enhanced privacy feature for telephone systems |
| 09/13/1994 | CA1332001C Switching network and switching network control for a transmission system |
| 09/08/1994 | DE4406354A1 Circuit arrangement for the integration of EDP systems with the use of telephone systems |
| 09/08/1994 | DE4406353A1 Anklopf-Ansage Call waiting announcement |
| 09/08/1994 | DE4330031A1 Circuit arrangement for integration of EDP systems with the use of telephone systems |
| 09/07/1994 | EP0614323A1 Method and apparatus for transmitting a high bit rate data flow over N independent digital communication channels |
| 09/07/1994 | EP0614302A1 Telecommunication device comprising a terminal with interfaces for a chip card and a memory card |
| 09/07/1994 | CN1091880A Recurrent call prompter and post answer call redirection |
| 09/06/1994 | US5345595 Apparatus and method for detecting fraudulent telecommunication activity |
| 09/06/1994 | US5345510 Integrated speaker supervision and alarm system |
| 09/06/1994 | US5345501 Telephone central office based method of and system for processing customer orders |
| 09/06/1994 | US5345497 Voice messaging |
| 09/06/1994 | US5345496 Remote line test facility |
| 09/06/1994 | US5345443 In a digital telecommunications network switching system |
| 09/06/1994 | US5345380 System and processes specifying customized customer telecommunication services using a graphical interface |
| 09/06/1994 | CA1331884C Telephone dial-up vendor service |
| 09/05/1994 | CA2090997A1 Call waiting announcement |
| 09/01/1994 | WO1994019912A1 Event correlation |
| 09/01/1994 | WO1994019907A1 Communication system |
| 09/01/1994 | WO1994019897A1 Temperature compensation for trans-hybrid loss in a miniaturized data access arrangement |
| 09/01/1994 | WO1994019896A1 Telelphone dialling code processor |
| 09/01/1994 | WO1994019888A1 Method and apparatus for resolving faults in communications networks |
| 08/31/1994 | EP0613282A1 Circuit arrangement for setting up conference connections in a digital time multiplex exchange |
| 08/31/1994 | EP0613281A1 Private branch exchange |
| 08/31/1994 | EP0613280A1 Technique for administering personal telephone numbers |
| 08/31/1994 | EP0613278A1 Calling terminal controlled call coverage |
| 08/31/1994 | EP0613277A1 Programmable signalling buttons |
| 08/31/1994 | EP0195786B2 Telephone switching system adjunct call processing arrangement |
| 08/31/1994 | CN2175994Y Enciphering device for telephone and computer system |
| 08/31/1994 | CN2175993Y Outside connection automatic testing keysets for program telephone bureau |
| 08/31/1994 | CN1091580A 动态网络自动呼叫分配 Dynamic Network Automatic Call Distribution |
| 08/31/1994 | CN1091573A Method and apparatus for detecting telephone line states in electronic switching system |
| 08/30/1994 | US5343518 System and method for controlling the dialing order of call record lists in an automated dialing system |
| 08/30/1994 | US5343517 Use-code based call-treatment selection |
| 08/30/1994 | US5343511 Method for selecting a broadcast voice channel served in a telephone switching network, and a system thereof |
| 08/30/1994 | CA2080107C Verification of subscriber lines prior to cutover to a new switching system |
| 08/30/1994 | CA2032615C Method and appparatus for the billing of value-added communication calls |
| 08/30/1994 | CA1331802C Modularly structured digital communications system having operations-oriented and security-oriented components |
| 08/30/1994 | CA1331799C Additive pcm speaker circuit for a time shared isdn conference arrangement |
| 08/27/1994 | CA2116426A1 Telecommunications private branch exchange |
| 08/25/1994 | DE4317367C1 Switching network for a digital time-division multiplex telephone exchange |
| 08/24/1994 | EP0612178A1 Attendant console sharing system in centrex |
| 08/24/1994 | EP0612174A2 A wide area network (WAN) arrangement |
| 08/24/1994 | EP0611487A1 High isolation switch |
| 08/24/1994 | EP0572544A4 Integrated application controlled call processing and messaging system |
| 08/23/1994 | US5341418 ISDN terminal adapter for access from analog signal equipment of four-wire full duplex type to ISDN |
| 08/23/1994 | US5341417 Integrated PCM-CODEC circuit with telemetering noise elimination |
| 08/23/1994 | US5341412 Apparatus and a method for predictive call dialing |
| 08/23/1994 | US5341411 Caller ID blocking method and processing system (block caller ID information) |
| 08/23/1994 | US5341374 Communication network integrating voice data and video with distributed call processing |
| 08/23/1994 | US5341368 Digital switching system interconnecting buses with imcompatible protocols |
| 08/23/1994 | US5341167 Visual and sound communication system with remote control means |
| 08/23/1994 | US5341108 Amplifier biasing circuit |
| 08/20/1994 | CA2112915A1 Wide area network (wan) arrangement |
| 08/18/1994 | WO1994018805A1 A method of completing a telephone call in a telephone system |
| 08/18/1994 | WO1994018784A1 Telephone traffic and line monitor |
| 08/18/1994 | WO1994018783A1 An exchange connectable unit |
| 08/18/1994 | WO1994018779A1 A method and apparatus for audio teleconferencing a plurality of phone channels |
| 08/18/1994 | WO1994018778A1 A unit connected to a private branch exchange |
| 08/18/1994 | WO1994018619A1 Extended enhanced parallel port |
| 08/18/1994 | CA2131891A1 A method of completing a telephone call in a telephone system |
| 08/17/1994 | EP0611239A1 Method and system for automatically updating telephone response mechanisms |
| 08/17/1994 | EP0611135A1 Multi-lingual voice response unit |
| 08/17/1994 | EP0611083A1 Calling center employing unified control system |
| 08/17/1994 | EP0611047A2 Improved centralized service circuit deployment |
| 08/17/1994 | EP0610625A2 Dynamic network automatic call distribution |
| 08/17/1994 | EP0458791B1 Payphone system |
| 08/17/1994 | EP0385986B1 Method of processing calls |
| 08/16/1994 | US5339360 Method of synchronizing LEDS between a digital telephone and remote options |
| 08/16/1994 | US5339358 Telephone keypad matrix |
| 08/16/1994 | US5339356 Virtual private network connecting system |
| 08/16/1994 | US5339355 Modem pooling system for communicating between a telephone and a plurality of data terminals |
| 08/16/1994 | US5339352 Directory assistance call completion via mobile systems |
| 08/11/1994 | CA2111653A1 Method and system for unified voice telephone services |
| 08/10/1994 | EP0609209A1 A method for conveying information in a multi-service network. |
| 08/10/1994 | EP0527855A4 Long distance telephone switching system with enhanced subscriber services |