Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 3 - Automatic or semi-automatic exchanges
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
03/1997
03/19/1997EP0763951A2 Interaction of routing features in a telephone system
03/19/1997EP0763940A2 Dynamic insertion and removal of multi-media call-handling resources into/from video calls to provide calling features
03/19/1997EP0763921A2 Terminals, methods and systems for providing intelligent communication
03/19/1997EP0763291A1 Frequency agile broadband communications system
03/19/1997CN1145711A Methods and appts. for communicating data via a cellular network control channel
03/19/1997CN1145709A Communication network control method and appts.
03/19/1997CN1145555A Call routing and handling system for conveying confidential medical test result information to anonymous callers
03/19/1997CN1145541A Protective device for surge current protection of associated equipment in communications systems
03/18/1997US5613006 Automated directory assistance call completion and calling number delivery system
03/18/1997US5612997 For a telephone
03/18/1997US5612995 Method for activating a lamp on analog customer premises equipment by a digital signal
03/18/1997US5612949 Method and apparatus for determining network delays
03/18/1997US5612730 Interactive system for a closed cable network
03/18/1997CA2103232C Technique for administering personal telephone numbers
03/18/1997CA2086387C Audio circuit board for a modular digital voice processing system
03/13/1997WO1997009816A1 Pstn transaction processing network employing wireless concentrator/controller
03/13/1997WO1997009815A1 Telephone conferencing circuit and method
03/13/1997WO1997009814A1 Controlling traffic congestion in intelligent electronic networks
03/13/1997WO1997009813A1 Personal communications terminal
03/13/1997WO1997009808A1 System for managing telecommunications
03/13/1997WO1997009807A1 Broadband telecommunications system
03/13/1997WO1997009796A1 Paging method using power shifted transmitters
03/13/1997WO1997009682A1 Service independent electronic document server
03/13/1997WO1997001913A3 Congestion avoidance
03/12/1997EP0762790A2 Multi-cellular radio system with PBX and peripheral modules
03/12/1997EP0762784A2 Method for providing subscriber information data for telecommunications network services
03/12/1997EP0762763A2 Video messaging arrangement
03/12/1997EP0762717A2 Teleconferencing
03/12/1997EP0762716A2 Method, communication system and conference unit to realise conferences
03/12/1997EP0762715A2 Improved call forwarding techniques using smart cards
03/12/1997EP0762714A2 Passive information access system
03/12/1997EP0762713A1 Circuit arrangement for testing subscriber lines
03/12/1997EP0762712A2 Method for activated communication terminals after network management specific events
03/12/1997EP0762711A2 Speech storage in a portable cellular telephone
03/12/1997EP0762709A2 Method and system for enrolling addresses in a speech recognition database
03/12/1997EP0762352A1 Selective calling receiver
03/12/1997EP0761068A1 Connection release in a telecommunications system
03/12/1997EP0761067A1 Connection release in a telecommunications system
03/12/1997EP0761062A1 A conferencing system
03/12/1997EP0761059A1 Apparatus for supervising an automatic call distribution telephone system
03/12/1997EP0761058A1 System for providing special services in telecommunication networks
03/12/1997EP0761057A1 Method and arrangement for call setup in telecommunication networks using signaling aided redialing
03/12/1997EP0761056A1 Speaking/answering device for telephone communication
03/12/1997EP0761052A1 Method for monitoring the condition of an interconnection network
03/12/1997EP0761044A1 Data communications device to selectively operate as an analog modem, a digital modem, and a terminal adapter
03/12/1997EP0733291A4 System and method for providing advanced intelligent network services
03/12/1997EP0653135A4 System and method for call-by-call source routing with rule-based fallbacks.
03/12/1997CN1145157A B-ISDN access
03/12/1997CN1144999A Method of answering to incoming call during user's absence in automatic telephone answering device
03/12/1997CN1144938A Method for management and repair communication system and service personal computer
03/11/1997US5611038 Audio/video transceiver provided with a device for reconfiguration of incompatibly received or transmitted video and audio information
03/11/1997US5610977 Number portability using ISUP message option
03/11/1997US5610976 Dual channel ISDN terminal call identification and switching system
03/11/1997US5610972 Personal communications service using wireline/wireless integration
03/11/1997US5610970 Telephone system with scheduled handling of calls
03/11/1997US5610969 Personal communication service registration system and method
03/11/1997US5610915 System and method therefor of viewing call traffic of a telecommunications network
03/11/1997US5610912 Switching in a telecommunications service node
03/11/1997US5610910 Access to telecommunications networks in multi-service environment
03/11/1997US5610906 Spread-spectrum changeable base station
03/06/1997WO1997008906A1 System and host arrangement for transmission of electronic mail
03/06/1997WO1997008885A1 Method of optimizing access trunk configurations and system therefor
03/06/1997WO1997008881A2 Telecommunication system
03/06/1997WO1997008879A2 Terminal
03/06/1997WO1997008837A2 Multi-media receiver and system therefor
03/06/1997WO1997008624A1 System for accessing and delivering on-line/information services
03/06/1997WO1997004574A3 Telephone exchange
03/06/1997DE19532114A1 Telephone speech dialogue method for automated output of dialling numbers and locations
03/06/1997CA2230496A1 Method of optimizing access trunk configurations and system therefor
03/06/1997CA2229572A1 Multi-media receiver and system therefor
03/05/1997EP0760573A2 Fully distributed message storage facilities in a distributed switching system
03/05/1997EP0760572A2 Addressing system for connections in telecommunication switching networks
03/05/1997EP0760571A2 Call screening method and apparatus for use in completing telephone calls
03/05/1997EP0760570A2 Loop-back test system using a suppressed ringing connection
03/05/1997EP0760195A1 Updating subscriber data of a mobile communication system
03/05/1997EP0704127B1 Apparatus and method for choosing and checking communication lines
03/04/1997US5608791 Group exchange port (GXP)
03/04/1997US5608789 Method of creating user-defined call processing procedures
03/04/1997US5608788 Information display provided to calling party
03/04/1997US5608786 Communication system
03/04/1997US5608784 Method of personnel verification using voice recognition
03/04/1997US5608783 Methods and apparatus for coordinating and controlling the operation of AMIS analog voice messaging system networks in response to message delivery session status signals
03/04/1997US5608782 Telephone call connection method with automated paging and call bridging
03/04/1997US5608759 Information storage apparatus
03/04/1997US5608644 In a communication system
03/04/1997CA2107453C Caller directed routing of a telephone call based on a dialed suffix
03/04/1997CA2081125C Portable telephone user profiles
03/03/1997CA2184106A1 Method of providing spoken announcements for services in a communications network as well as service control point, service support system, service access facility, service switching point, and service system
02/1997
02/27/1997WO1997007643A1 Methods for processing an outgoing and an incoming call in a mobile communications system
02/27/1997WO1997007641A1 Cellular communications system with screening of unauthorized services
02/27/1997WO1997007640A1 Call routing to wireless roamers in mobile telecommunication systems
02/27/1997WO1997007637A1 Communication system and service controller for call handling
02/27/1997WO1997007625A1 An improved access to telecommunications networks in multi-service environment
02/27/1997WO1997007623A1 Interactive medication data telephony system
02/27/1997CA2229855A1 Call routing to wireless roamers in mobile telecommunication systems
02/26/1997EP0759672A1 Minimally invasive current sensing circuit
02/26/1997EP0759243A1 Method and system for compensating for coupling between circuits of quaded cable in a telecommunication transmission system
02/26/1997EP0759235A1 Method and apparatus for reducing residual far-end echo in voice communication networks
02/26/1997EP0646303A4 Improved telecommunication display system.
02/26/1997CN1144025A Communication system, private automatic branch exchange, and line card
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