Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881) |
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04/14/1998 | US5740231 Network-based multimedia communications and directory system and method of operation |
04/14/1998 | US5740230 Directory management system and method |
04/14/1998 | US5740229 Method and apparatus for a pre-paid return call |
04/14/1998 | US5740162 ISDN terminal adapter |
04/14/1998 | CA2123275C Electronic private exchange system having talking recording function |
04/09/1998 | WO1998015145A2 A method for determining network switch capacity |
04/09/1998 | WO1998015137A2 Method for connecting an incoming call in a wireless telecommunications installation to a dual mode terminal |
04/09/1998 | WO1998015136A2 Method for preserving the performance characteristics settings of a wireless terminal |
04/09/1998 | WO1998015135A1 Communication system consisting of at least two private branch exchanges (pbx) with team function |
04/09/1998 | WO1998015134A1 Communications system consisting of at least two private branch exchanges with team function |
04/09/1998 | WO1998015131A2 Method to restore subscriber related information in a communication network data base system |
04/09/1998 | WO1998015124A1 Videophone apparatus, method and system for wireline audio and video conferencing and telephony |
04/09/1998 | WO1998015123A1 Apparatus, method and system for wireline audio and video conferencing and telephony |
04/09/1998 | WO1998015110A2 Remote supply circuitry |
04/09/1998 | WO1998015107A1 System and method for modeling and modifying a telephone call path routed by a telephonic switch |
04/09/1998 | WO1998015104A1 Communications system consisting of at least two private branch exchanges (pbx) with team function |
04/09/1998 | WO1998015103A1 Method and system for providing a work-at-home telecommunication service |
04/09/1998 | WO1998015102A1 Remote access to multiple locations within a telecommunications network |
04/09/1998 | WO1998015101A1 Method for controlling a collective line configuration of a telecommunications installation |
04/09/1998 | WO1998015100A2 Method and apparatus for obtaining feedback regarding network services |
04/09/1998 | WO1998015099A1 Flexible service access code (sac) |
04/09/1998 | WO1998015081A1 Method and apparatus for determining the origin of an alarm indication signal |
04/09/1998 | WO1998015080A1 Method and apparatus for adopting performance report messages in a telecommunications system |
04/09/1998 | WO1998015079A1 Method of and system for intelligent access line protect switching |
04/09/1998 | WO1998014844A1 Telecommunications disaster recovery system |
04/09/1998 | WO1998004091A3 Validation of network processes |
04/09/1998 | WO1998004089A3 User interaction procedure |
04/09/1998 | WO1998004077A3 Telephone conferencing systems |
04/09/1998 | WO1998003007A3 Process and device for interconnecting telecommunication networks |
04/09/1998 | WO1997048238A3 Programmable service node for call control processing |
04/09/1998 | WO1997045991A3 Method and system for extended addressing plans |
04/09/1998 | DE19737906A1 Video access apparatus for telephone and video conferences |
04/09/1998 | DE19640288A1 Verfahren zum Wiederherstellen von teilnehmerbezogenen Informationen in einem Datenbanksystem eines Kommunikationsnetzes Method for restoring subscriber-related information in a database system in a communication network |
04/09/1998 | DE19640287A1 Verfahren zum Verbinden eines in einer Schnurloskommunikationseinrichtung ankommenden Rufs an ein Dualmodusendgerät A method of connecting an incoming call in a cordless communication device to a dual-mode terminal |
04/09/1998 | DE19639891A1 Information distribution arrangement for telephone network subscribers |
04/08/1998 | EP0835038A2 ISDN BRI link restoration without loss of calls |
04/08/1998 | EP0835017A2 Telecommunication system with call forwarding |
04/08/1998 | EP0835016A1 Call distribution arrangement |
04/08/1998 | EP0835015A2 Advanced call waiting and messaging system |
04/08/1998 | EP0835014A2 Subscriber circuit for connecting an analog subscriber line to a digital time multiplex telephone exchange |
04/08/1998 | EP0834229A1 Method and apparatus for information retrieval using audio interface |
04/08/1998 | EP0687402B1 Circuit arrangement for integrating edp systems in the use of telephone installations |
04/08/1998 | CN2278314Y Detector for phone hanging up and taking off |
04/08/1998 | CN2278311Y Multi-purpose sound-changing device |
04/08/1998 | CN1178423A Telephone exchange with analog user lines connecting to digit time-division multi-switching |
04/07/1998 | US5737701 Automatic authentication system |
04/07/1998 | US5737700 Providing assistance to a mobile telephone subscriber travelling from a location to a desired location |
04/07/1998 | US5737530 Method and apparatus for conditionally terminating a personal computer conference |
04/07/1998 | US5737517 Testing tools in an intelligent network system |
04/07/1998 | US5737414 900 number billing and collection system and method for on-line computer services |
04/07/1998 | US5737406 Distributed connection control in telecommunication networks |
04/07/1998 | US5737405 Apparatus and method for detecting conversation interruptions in a telephonic switch |
04/07/1998 | US5737403 Interaction of routing features in a telephone system |
04/07/1998 | US5737400 Telecommunications system for accessing subscriber premises equipment using ring suppression |
04/07/1998 | US5737399 Network information architecture having centralizing storage and verification element |
04/07/1998 | US5737396 Interactive medication data telephony system |
04/07/1998 | US5737395 System and method for integrating voice, facsimile and electronic mail data through a personal computer |
04/07/1998 | US5737393 On a personal computer |
04/07/1998 | US5737390 Digital exchange system with function of displaying operation state of system |
04/07/1998 | US5737389 Technique for determining a compression ratio for use in processing audio signals within a telecommunications system |
04/07/1998 | US5737331 Method and apparatus for conveying audio signals using digital packets |
04/07/1998 | US5737321 Multi-media teleconference system |
04/07/1998 | US5737320 Method of transferring information |
04/07/1998 | CA2187240A1 Network control of telephony services using downloadable applications |
04/02/1998 | WO1998014021A2 Home location register feature dispatching and arbitration in a wireless intelligent network |
04/02/1998 | WO1998014020A2 Determining grade of service and mobile telephone system |
04/02/1998 | WO1998014017A1 Detecting service interactions in a telecommunications network |
04/02/1998 | WO1998013995A1 Network-based conference system |
04/02/1998 | WO1998013994A1 Subscriber controlled call list deregistration |
04/02/1998 | WO1998013993A1 Apparatus for communications service provision |
04/02/1998 | WO1998013992A1 Voice dialing system |
04/02/1998 | WO1998013991A2 Method and system for ensuring the security of telephone call management centres |
04/02/1998 | WO1998013990A2 Method and system for ensuring the security of the supply of services of telecommunication operators |
04/02/1998 | WO1998013989A2 Device for indirect transmission of information on computer and/or telecommunication networks |
04/02/1998 | WO1998013988A1 Automated test call generation and execution system |
04/02/1998 | WO1998013987A1 An agent speech detector system and method for use with a telephonic switch |
04/02/1998 | WO1998013986A1 Method and system for interactive communication between two telephone sets via the internet |
04/02/1998 | WO1998013983A1 A system and method for providing resources to test platforms |
04/02/1998 | WO1998013982A1 Method and system for projecting service availability in a telecommunications system |
04/02/1998 | WO1998013974A1 Interactive information transaction processing system with universal telephony gateway capabilities |
04/02/1998 | WO1998013971A1 Method and system for ensuring the security of the remote supply of services of financial institutions |
04/02/1998 | WO1998013765A1 System and method for establishing a real-time agent pool between computer systems |
04/02/1998 | DE19644787C1 Verfahren und Einrichtung zum Verbinden von Teilnehmern eines Telekommunikationsnetzwerkes in einer Vermittlungsstelle Method and apparatus for connecting subscribers of a telecommunication network in an exchange |
04/02/1998 | DE19640408A1 Verfahren zum Beibehalten von Leistungsmerkmaleinstellungen eines Schnurlosendgerätes A method for maintaining feature settings for a wireless terminal device |
04/02/1998 | DE19640406A1 Verfahren zum Steuern einer Sammelanschlußkonfiguration einer Kommunikationsanlage Method for controlling a hunt group configuration of a communication system |
04/02/1998 | DE19640266A1 Kommunikationssystem aus mindestens zwei Nebenstellenanlagen mit Teamfunktion Communication system comprising at least two PBXs with team function |
04/02/1998 | DE19640265A1 Kommunikationssystem aus mindestens zwei Nebenstellenanlagen mit Teamfunktion Communication system comprising at least two PBXs with team function |
04/02/1998 | DE19640221A1 Kommunikationssystem aus mindestens zwei Nebenstellenanlagen mit Teamfunktion Communication system comprising at least two PBXs with team function |
04/02/1998 | DE19639413A1 Mobile radio telephone display method especially for subscriber's name or location in PLMN |
04/02/1998 | CA2267755A1 System and method for establishing a real-time agent pool between computer systems |
04/02/1998 | CA2266921A1 Network-based conference system |
04/02/1998 | CA2266734A1 Detecting service interactions in a telecommunications network |
04/02/1998 | CA2266620A1 Apparatus for communications service provision |
04/02/1998 | CA2266380A1 Interactive information transaction processing system with universal telephony gateway capabilities |
04/02/1998 | CA2265682A1 Subscriber controlled call list deregistration |
04/02/1998 | CA2238032A1 An agent speech detector system and method for use with a telephonic switch |
04/01/1998 | EP0833530A2 Call set-up method towards a wireless terminal linked to a communications network |
04/01/1998 | EP0833527A2 Connection set-up method, switching exchange and service steering unit |
04/01/1998 | EP0833526A1 Detecting service interactions in a telecommunications network |
04/01/1998 | EP0833492A2 Intelligent pager for remotely managing e-mail messages |