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)
05/1995
05/30/1995US5420920 Network interface device module providing sealed customer-accessible test port
05/30/1995US5420917 Automated recovery of telecommunication network elements
05/30/1995US5420915 Apparatus for instruction in use of telephone
05/30/1995US5420860 Volume control for digital communication system
05/30/1995US5420852 Digital switching system connecting buses with incompatible protocols and telephone answering system and private automatic branch exchange with integrated voice and textual message recording
05/30/1995CA2136884A1 System for securing access to equipment connectable to a telephone communication channel
05/26/1995WO1995014361A1 Interface device between a telephone bus and a high-speed data network
05/26/1995WO1995014360A1 A method for subscriber identification in a fixed network
05/26/1995WO1995014344A1 Method and circuitry for controlling voice mail, call logging and call blocking functions using a modem
05/26/1995WO1995014342A1 Optimization of telephone outbound calling systems
05/26/1995WO1995014341A1 A method of controlling overloads in a telecommunications network
05/26/1995WO1995010158A3 Multimedia collaboration system
05/26/1995WO1995008236A3 Telephone call center
05/24/1995EP0654931A1 Callback communication managing method and apparatus
05/24/1995EP0654930A1 Network-accessible intelligent telephone service
05/24/1995EP0654781A2 Method of accommodating for carbon/electret telephone set variability in automatic speaker verification
05/24/1995EP0654674A2 Cable management system with service and user line testing
05/23/1995US5418846 Call waiting indicating method and system
05/23/1995US5418845 Arrangement for obtaining information from a switching system database by an adjunct processor
05/23/1995US5418844 Automatic access to information service providers
05/23/1995US5418835 In a wireless communication system
05/23/1995US5418834 Maintenance termination units
05/23/1995US5418780 Routing logic means for a communication switching element
05/23/1995US5418776 Emergency local switching
05/23/1995CA2134918A1 Cable management system with service and user line testing
05/23/1995CA2050377C Method of voice mail notification for cellular telephone systems
05/23/1995CA2016226C Voice messaging method and apparatus for pay phone telephone systems
05/20/1995CA2109534A1 Interface device
05/18/1995WO1995013686A1 Communications system
05/18/1995WO1995013640A1 Cooling a large microprocessor in a small module
05/17/1995EP0653895A2 Identity authentication method suitable for mobile applications and telephone apparatus therefor
05/17/1995EP0653869A1 System and method to identify the terminating directory number at the customer premises
05/17/1995EP0653868A2 Resource access control system
05/17/1995EP0653866A2 Resolution of race conditions in cascaded switches
05/17/1995EP0653143A1 Method and apparatus for delivering secured telephony service in a hybrid coaxial cable network
05/17/1995EP0653140A1 Subscriber services arrangement for mobile telecommunications system providing pabx access
05/17/1995EP0653135A1 System and method for call-by-call source routing with rule-based fallbacks
05/17/1995EP0653134A1 Call transfer within cellular communications systems
05/17/1995CN1102739A Method and apparatus for facilitating the making of collect calls
05/17/1995CN1102738A Telecommunication user's fee automatic inquiring system
05/16/1995US5416836 Disconnect signalling detection arrangement
05/16/1995US5416835 Automatic signaling-type indicator for use in subsequent interactive dialing
05/16/1995US5416834 Redirection of calls by a communication terminal
05/16/1995US5416833 Method and apparatus for provisioning a public switched telephone network
05/16/1995US5416832 Call detection control apparatus
05/16/1995US5416831 System for communicating with an ADSI-compatible telephone via a service circuit node
05/16/1995US5416830 Integrated voice meassaging/voice response system
05/16/1995US5416825 Testing method for subscriber line testing
05/16/1995US5416780 Telecommunications system and protocol for avoiding message collisions on a multiplexed communications link
05/16/1995US5416473 Electronic information processing device
05/16/1995CA1335608C Resource control and data handling for central office based automatic call distributors
05/11/1995WO1995012948A1 A caller name and identification communication system with caller screening option
05/11/1995WO1995010913A3 Information retrieving device
05/10/1995EP0652665A2 Graphical display of network data
05/10/1995EP0651934A1 Method for controlling traffic in a communication network.
05/10/1995CN1102523A Telecommunications network architecture and system
05/10/1995CA2135321A1 Interface circuit between a four wire line and a two wire line
05/10/1995CA2135092A1 Information system for a pabx
05/09/1995US5414765 Network interface device having switch
05/09/1995US5414763 Apparatus and method for providing echo suppression to a plurality of telephones
05/09/1995US5414762 Telephony controller with functionality command converter
05/09/1995US5414760 Exchange for an ISDN capable of controlling an incoming call by kinds of communication
05/09/1995US5414759 Automatic personal search telephone system
05/09/1995US5414757 Voice mail system for news bulletins
05/09/1995US5414755 System and method for passive voice verification in a telephone network
05/09/1995US5414754 In a telephone network
05/09/1995US5414752 Method for achieving communication between a plurality of participants
05/09/1995US5414695 Method for monitoring existing telephone connections, particularly permanently switched telephone connections
05/04/1995WO1995012290A1 Telecommunications network traffic management system
05/04/1995WO1995012270A1 Device for multimedia communication
05/04/1995WO1995012269A1 An adaptive communication system within a transaction card network
05/04/1995WO1995012268A1 Personal number communication system with cellular mobile radiotelephone roaming capability
05/04/1995WO1995012266A1 Telephone bar device
05/04/1995WO1995012168A1 Micro-personal digital assistant
05/03/1995EP0651549A1 Telemarketing complex with automatic threshold levels
05/03/1995EP0651548A1 Call monitoring system for intelligent call processing
05/03/1995EP0651465A2 Electrical wiring block with break test capability
05/03/1995EP0651372A2 Automatic speech recognition (ASR) processing using confidence measures
05/03/1995CN1028339C Programme-controlled manual toll telephone switching system
05/02/1995US5412781 Method and arrangement of buffer allocation in communication systems by employing fixed and dynamic buffer allocation functions
05/02/1995US5412719 Radio paging system with voice transfer function and radio pager
05/02/1995US5412714 Mnemonic and synonymic addressing in a telecommunications system
05/02/1995US5412712 Multiple language capability in an interactive system
05/02/1995US5412711 Electronic exchange having function of calling number delivery service and blocking
05/02/1995US5412710 Facsimile machine capable of transmitting voice messages
05/02/1995US5412708 Videophone system for scrutiny monitoring with computer control
05/02/1995US5412538 Multi-layer printed circuit board
04/1995
04/27/1995WO1995011578A1 A method and an arrangement relating to telecommunications systems
04/26/1995EP0650303A1 Paging system control apparatus
04/26/1995EP0650302A2 Data analysis and event prediction in a telecommunications network
04/26/1995EP0650286A2 Ringdown and ringback signalling for a computer-based multifunction personal communications system
04/26/1995EP0650285A1 Audio communication apparatus
04/26/1995EP0650284A1 Interface between text and voice messaging systems
04/26/1995EP0650278A2 Network call management
04/26/1995EP0649586A1 Hotel interactive communication apparatus.
04/26/1995EP0649585A1 Switching arrangement for a communications channel
04/26/1995EP0649584A1 Remotely actuated switch and protection circuit
04/26/1995EP0649582A1 Margin test apparatus for integrated services digital networks
04/26/1995EP0649563A1 Gas tube vent-safe device
04/26/1995EP0478615B1 Polyphonic coding
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