| Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881) |
|---|
| 01/17/1995 | CA2032776C Apparatus for driving a service function unit of a multi-function telephone set |
| 01/17/1995 | CA2022872C Customer programmable automated integrated voice/data technique for communication systems |
| 01/16/1995 | CA2126266A1 System and method for communicating with travelers |
| 01/12/1995 | WO1995001691A1 Telecommunications follow me services |
| 01/12/1995 | WO1995001690A1 A radio system |
| 01/12/1995 | WO1995001689A1 Apparatus for use in completing telephone calls |
| 01/12/1995 | WO1995001688A1 Method for use in completing telephone calls |
| 01/12/1995 | WO1995001617A1 A system for identifying object location |
| 01/12/1995 | WO1995001602A1 Broadband intelligent telecommunications network and method employing a resource system to support network services |
| 01/12/1995 | WO1995001597A2 System for generating instructions for speech application |
| 01/12/1995 | DE4321657A1 Method for identifying the answering signal of a called subscriber in telecommunications switching systems, in particular telephone switching systems |
| 01/11/1995 | EP0633708A1 Switching network for a digital time division multiplex telephone exchange |
| 01/11/1995 | EP0633685A2 Method and system for transferring calls and call-related data between a plurality of call centers |
| 01/11/1995 | EP0633683A2 Telephone system and information processing method with a telephone directory and a data communication function |
| 01/11/1995 | EP0633682A1 Audio data processing |
| 01/11/1995 | EP0632937A1 Dc/dc/ac power supply. |
| 01/10/1995 | US5381474 Method of converging an echo canceller |
| 01/10/1995 | US5381471 Centralized service circuit deployment |
| 01/10/1995 | US5381470 Supervisory management center with parameter testing and alerts |
| 01/10/1995 | US5381468 Telephone exchange including less display elements than channels |
| 01/10/1995 | US5381466 Network systems |
| 01/10/1995 | US5381465 System for providing automatic voice messaging in a digital network environment |
| 01/10/1995 | US5381405 Communications access network routing |
| 01/10/1995 | CA2053441C Switching system using identical switching nodes |
| 01/10/1995 | CA1333925C Communication system for forming different networks on the same ring transmission line |
| 01/05/1995 | WO1995001070A1 Multinetwork terminal |
| 01/05/1995 | WO1995001067A1 Messaging management method for cellular radio paging systems |
| 01/05/1995 | WO1995001063A1 Mediation of open advanced intelligent network interface for public switched telephone network |
| 01/05/1995 | WO1995001055A1 Video-telephony communication apparatus |
| 01/05/1995 | WO1995001037A1 Anonymous interactive telephone system |
| 01/05/1995 | WO1995001011A1 Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal |
| 01/05/1995 | WO1995000911A1 Computer-based classified ad system and method |
| 01/05/1995 | DE4321026A1 Door intercom system |
| 01/05/1995 | CA2163745A1 Multinetwork terminal |
| 01/04/1995 | EP0632667A2 Method for releasing unnecessary trunks from a telephone call |
| 01/04/1995 | EP0632659A2 Video view selection by chairperson |
| 01/04/1995 | EP0632634A2 Method and module for permitting the test of a digital telephone exchange |
| 01/04/1995 | EP0632633A1 Device for measuring analog telephony signals |
| 01/04/1995 | EP0632632A2 Subscriber circuit provided with a circuit for monitoring a subscriber instrument |
| 01/03/1995 | US5379383 Communication service control system in an intelligent network providing controllers for controlling different services |
| 01/03/1995 | US5379375 Automatic location of screen objects through the use of relational position data |
| 01/03/1995 | US5379280 Conferencing system for distributed switching network |
| 01/03/1995 | CA2036998C Transmitting/receiving system between pbx's |
| 01/03/1995 | CA2035616C Apparatus and method for testing a telephone circuit protector |
| 01/03/1995 | CA2032549C Drop testing in fiber to the home systems |
| 01/03/1995 | CA2031056C Voice announcement device for improving functionality of multi-line telephones |
| 12/28/1994 | EP0631457A2 Communications signaling protocols |
| 12/28/1994 | EP0631456A2 Distributed processing architecture for control of broadband and narrowband communications networks |
| 12/28/1994 | EP0631452A1 Messaging centre management method for cellular radio messaging |
| 12/28/1994 | EP0631448A2 Method for supporting test routines |
| 12/28/1994 | EP0631447A2 Telecommunications network architecture and system |
| 12/28/1994 | EP0631419A1 An electronic mail system having integrated voice messages |
| 12/28/1994 | EP0631415A1 Automatic dialling system which generates appropriate location dependent prefixes |
| 12/28/1994 | EP0630542A1 Hybrid fiber in the loop telephony system |
| 12/28/1994 | EP0630539A1 Network management system |
| 12/27/1994 | US5377262 Method for routing calls |
| 12/27/1994 | US5377261 Apparatus and method for accessing both local and network-based features at a telephone terminal |
| 12/27/1994 | US5377260 Telephone circuit to control off-hook status during receipt of caller-ID signal |
| 12/27/1994 | US5377259 Data terminal having program language support library, and related method |
| 12/27/1994 | US5377258 Method and apparatus for an automated and interactive behavioral guidance system |
| 12/27/1994 | US5377231 Automatic gain control circuit for a digital baseband line equalizer |
| 12/27/1994 | US5377195 Leaky bucket for supervision in industrial processes |
| 12/27/1994 | US5377180 Data switching device |
| 12/27/1994 | US5376019 Gel filled modular electrical connecting block |
| 12/26/1994 | CA2124378A1 Communications signaling protocols |
| 12/25/1994 | CA2124721A1 Canonical telephone numbers |
| 12/24/1994 | CA2126171A1 Management procedure of a paging system for a cellular radio paging system |
| 12/22/1994 | WO1994030027A1 Fault tolerant service-providing apparatus for use in a telecommunications network |
| 12/22/1994 | WO1994030023A1 Telecommunications system |
| 12/22/1994 | WO1994030000A1 Display based marketing message control system and method |
| 12/22/1994 | WO1994029994A1 Call transfer within cellular communications systems |
| 12/22/1994 | WO1994029993A1 A method of avoiding non-desired interference between services |
| 12/22/1994 | WO1994029992A1 Method and apparatus for providing user controlled call management services |
| 12/22/1994 | WO1994029979A1 Method and apparatus for multiple media digital communication system |
| 12/22/1994 | CA2173355A1 Method and apparatus for multiple media digital communication system |
| 12/22/1994 | CA2164099A1 A method of avoiding non-desired interference between services |
| 12/22/1994 | CA2141578A1 Call transfer within cellular communications systems |
| 12/21/1994 | EP0630162A2 Routing multiple telephone calls using a common routing plan |
| 12/21/1994 | EP0630142A1 Method for storing of messages in storage units linked in networks for messages |
| 12/21/1994 | EP0630141A2 Computer-based multifunction personal communications system |
| 12/21/1994 | EP0630139A2 Telephone answering apparatus comprising a reminder message service |
| 12/21/1994 | EP0629329A1 Telephone network application platform for supporting facsimile applications |
| 12/21/1994 | EP0629327A1 Headset amplifier with automatic log on/log off detection. |
| 12/20/1994 | US5375252 Paging radio communications system and method |
| 12/20/1994 | US5375167 Telecommunication switching system having distributed dialing plan hierarchy |
| 12/20/1994 | US5375166 Communication apparatus with cross-talk protection |
| 12/20/1994 | US5375164 Voice messaging system |
| 12/20/1994 | US5375162 Method of making call connection in a private branch exchange system with paging system |
| 12/20/1994 | US5375161 Telephone control system with branch routing |
| 12/20/1994 | US5375159 System and method for remote testing and protocol analysis of communication lines |
| 12/20/1994 | US5375117 Maintenance communication control system in an ISDN service |
| 12/19/1994 | CA2122117A1 Routing multiple telephone calls using a common routing plan |
| 12/14/1994 | EP0629091A2 Routing to intelligence |
| 12/14/1994 | EP0629072A1 Arrangement in a telephone system for controlling debiting of services |
| 12/14/1994 | EP0629065A2 Traffic management in packet communications networks |
| 12/14/1994 | EP0628231A1 Telephone subscriber line circuit, components and methods. |
| 12/14/1994 | EP0482003B1 Audio signal processor circuit |
| 12/14/1994 | EP0472524B1 Device for identifying traffic on a paired cable |
| 12/14/1994 | CN1096409A Automatic monitoring system and method for facsimile signal in city telephone network |
| 12/13/1994 | US5373549 Multi-level conference management and notification |