H04M 3 - Automatic or semi-automatic exchanges

Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
05/1992
05/19/1992	CA1301357C Digital dictation system with voice mail capability
05/19/1992	CA1301252C Optical communications network
05/14/1992	WO1992008328A1 Digital radio telephone system
05/14/1992	WO1992008311A1 Location registration system for a personal communicator
05/14/1992	WO1992008309A1 Telephone calling apparatus and method
05/14/1992	WO1992008197A1 Transaction processing
05/14/1992	WO1992008194A1 Estimative control system for a group of work stations
05/13/1992	EP0484334A1 Electronic apparatus for ''hands off'' control of a voice mail system
05/12/1992	US5113433 Method and apparatus for altering the access format of telephone calls
05/12/1992	US5113431 Distributed control teleconferencing voice bridge
05/12/1992	US5113430 Enhanced wide area audio response network
05/12/1992	US5113429 Telephone answering service with integrated voice and textual message storage
05/12/1992	US5113426 Ground fault detector
05/10/1992	CA2029679A1 Analog/digital telephone test set
05/06/1992	EP0484070A2 Editing compressed voice information
05/06/1992	EP0484069A2 Voice messaging apparatus
05/06/1992	EP0484067A2 Automatic system for forwarding of calls
05/06/1992	EP0484051A2 Telephone interface circuit
05/06/1992	EP0326559B1 Communication system
05/06/1992	CN1016545B Speech sound input telephone automatic directory inquiries system
05/05/1992	US5111502 Telephone line bridging sensor
05/05/1992	US5111497 Alarm and test system for a digital added main line
05/05/1992	US5111197 Apparatus for allocating subscriber identification numbers to plural service zones in a paging system
04/1992
04/30/1992	WO1992007327A1 Telecommunications booth and method of use
04/30/1992	WO1992007318A1 Method and system for planning, scheduling and managing personnel
04/29/1992	EP0482989A2 Telephone exchange apparatus
04/29/1992	EP0482466A1 Protection device for electrical and/or electronic telephone circuits, designed to limit the power dissipated within them
04/29/1992	EP0482163A1 Data network interface.
04/29/1992	EP0482142A1 Automatic system for the playback of recorded spoken messages through a telephone line
04/29/1992	EP0482003A1 Audio signal processor circuit.
04/28/1992	US5109409 Apparatus and method to detect telephony signaling states
04/28/1992	US5109408 Arrangement for intentionally blocking telephone calls to predefined destination numbers but allowing such blocking to be selectively overridden
04/28/1992	US5109405 Automated call screening
04/28/1992	US5109404 Telephone call processor with select call routing
04/28/1992	US5108315 Pay telephone station repair technician's adapter
04/28/1992	CA1299789C Dc termination circuit for subscriber cables
04/28/1992	CA1299788C Telephone technician's terminals
04/28/1992	CA1299710C Automated matrix for communication line connections
04/22/1992	EP0481683A2 Method of voice mail notification for cellular telephone systems
04/22/1992	EP0481505A2 A supervision control system
04/22/1992	CN2102591U Automatic switch over device for user's private branch exchange
04/22/1992	CN1016390B Data path checking system
04/21/1992	US5107532 Automated documentation system for a communications network
04/21/1992	CA1299273C Communications network and method
04/20/1992	WO1992007439A1 Call interceptor
04/20/1992	CA2070671A1 Call interceptor
04/16/1992	WO1992006548A1 Enhanced wide area audio response network
04/15/1992	EP0480826A1 Remote protocol test equipment, on the S and T interface of a ISDN terminal equipement
04/15/1992	EP0480634A2 Server of integrated services for telephone communication system
04/15/1992	EP0480622A2 Automation of telephone operator assistance calls
04/15/1992	EP0480233A2 Digital telecommunication exchange
04/15/1992	EP0480009A1 Recoverability in mass storage data base systems.
04/15/1992	CN2101979U Telephonic communication business switchboard
04/14/1992	US5105438 Remotely accessing intelligent network channel terminating equipment device
04/14/1992	US5105422 Circuit arrangement for information transmission
04/14/1992	US5105420 Method and apparatus for reconfiguring interconnections between switching system functional units
04/14/1992	US5105197 Mobile access to telecommunications network
04/11/1992	CA2051087A1 Automatically testing telephone lines
04/09/1992	CA2052858A1 Digital telecommunications system
04/08/1992	EP0478615A1 Polyphonic coding.
04/07/1992	US5103473 Telephone system communication mechanism employing central office sleeve lead
04/07/1992	US5103449 Pbx transparent ani and dnis using vru
04/07/1992	US5103444 Conference connection method in a multicast packet switching network
04/07/1992	CA1298675C Method and apparatus for storing and forwarding voice signals with controlled access
04/02/1992	WO1992005671A1 Communication system, in particular isdn-capable telecommunications private automatic branch exchange
04/01/1992	EP0478206A2 A procedure to initiate queuing in call processing
04/01/1992	EP0478008A2 Method and system for monitoring the data rates of asynchronous time division communications
04/01/1992	EP0477688A2 Voice recognition telephone dialing
04/01/1992	CN1060001A Alarm and test system for digital added main line
03/1992
03/31/1992	US5101451 Real-time network routing
03/31/1992	US5101425 Operations monitoring system
03/31/1992	US5101424 Method for generating a monitor program for monitoring text streams and executing actions when pre-defined patterns, are matched using an English to AWK language translator
03/31/1992	US5101400 Dynamic circuit identifier
03/28/1992	WO1992006550A1 Telecommunication display system
03/28/1992	CA2091259A1 Telecommunication display system
03/25/1992	EP0476525A2 Automatic line defect detector
03/25/1992	EP0324735B1 Automatic voice processing assisted customer information system
03/25/1992	EP0321498B1 Directory assistance call processing and non-supervisory signal monitoring arrangements
03/24/1992	US5099511 Exchange system for incoming calls from direct-in lines
03/24/1992	US5099510 Teleconferencing with bridge partitioning and other features
03/24/1992	US5099509 Integration of voice store and forward facility
03/24/1992	CA1298002C Paging system
03/24/1992	CA1297973C Feature telephone integration device
03/22/1992	WO1992005540A1 System for distinguishing or counting spoken itemized expressions
03/22/1992	CA2091353A1 System for distinguishing or counting spoken itemized expressions
03/22/1992	CA2050190A1 System for distinguishing or counting spoken itemized expressions
03/19/1992	WO1992004798A1 Method and apparatus for selective transfer of calls in personal communicators
03/19/1992	WO1992004795A1 Dtmf signal detection apparatus for a voice store and forward equipment
03/19/1992	WO1992004794A2 Alarm and test system for a digital main line
03/19/1992	DE4028997A1 Traffic data acquisition for telephone communication exchange - using counter memory in each de-central and central control, and address device to acquire addresses and control criteria
03/18/1992	EP0475749A2 ISDN terminal having diagnostic function
03/18/1992	EP0475723A2 Methods and apparatus for integrated voice communication
03/18/1992	EP0475663A2 Communication link identifier
03/18/1992	EP0475350A2 An ISDN D channel congestion control method
03/18/1992	EP0475196A2 Method for processing audio signals in a sub-band coding system
03/17/1992	US5097528 System for integrating telephony data with data processing systems
03/17/1992	US5097501 Key telephone interface
03/17/1992	CA1297566C Implied principal busy status indicator for covered calls
03/11/1992	EP0474555A2 Multi-media communication apparatus
03/11/1992	EP0474189A2 ISDN line circuit monitor system

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