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)
11/1996
11/14/1996WO1996036158A1 Automated audio teleconferencing having access and security features
11/14/1996WO1996036157A1 Automated audio teleconferencing having reconfiguration features
11/14/1996WO1996036156A1 T1 channel bank control process and apparatus
11/14/1996WO1996036147A1 Detection of loop-back conditions on faulty digital trunks
11/14/1996WO1996036142A1 System for electronic messaging via wireless devices
11/14/1996DE19542408C1 Telephone selection line monitoring system
11/14/1996CA2220548A1 Detection of loop-back conditions on faulty digital trunks
11/14/1996CA2220307A1 Videophone interactive mailbox facility system and method of processing information
11/13/1996EP0742679A2 Microphone selection process for use in a multiple microphone voice actuated switching system
11/13/1996EP0742663A2 Messaging systems
11/13/1996EP0742648A2 Method and apparatus to connect echo cancellers for telephone links
11/13/1996EP0741951A1 Radiotelephone system for a limited group of users
11/13/1996EP0741943A1 Telecommunication system for transmitting full motion video
11/13/1996EP0741942A1 Optimizing the capacity of a telecommunication system
11/13/1996EP0741941A1 Generic service coordination mechanism
11/13/1996EP0741884A1 Funds transaction device
11/13/1996CN1135822A Arrangement for sharing a telephone office code
11/13/1996CN1135821A A method of controlling overloads in a telecommunications network
11/13/1996CA2176297A1 Method and apparatus for an interactive computerized catalog system
11/12/1996US5574975 Paging method using power shifted transmitters
11/12/1996US5574934 Computer-implemented process
11/12/1996US5574904 Database management system in an intelligent network using a common request data format
11/12/1996US5574784 Dynamic admission control for telecommunications relay service with text-to-speech synthesis
11/12/1996US5574783 System and method for providing competitive access telephone service for telephones connected to a remote terminal of the monopoly service provider
11/12/1996US5574782 Minimizing service disruptions in handling call request messages where new message formats are needed in a telecommunication network
11/12/1996US5574780 Controll of call features provided to a subscriber by a hierarchical telecommunication switch
11/12/1996US5574778 For providing broadband information to a remote terminal
11/12/1996US5574777 Caller ID and call waiting for multiple CPES on a single telephone line
11/12/1996US5574776 Call redirection feature for relay services
11/12/1996US5574771 Cellular telephone device
11/12/1996US5574770 Method for controlling overload of main processor of distributed switching system with hierarchy structure
11/12/1996US5574769 Inductive amplifier having automatic gain control for butt set
11/12/1996US5574725 Communication method between a personal computer and communication module
11/12/1996US5574724 Adjustment of call bandwidth during a communication call
11/12/1996US5574723 Communication method
11/12/1996US5574718 Signal protection and monitoring system
11/12/1996CA2098607C Visual programming of telephone network call processing logic
11/07/1996WO1996035300A1 Mobile radio system with translation of bcie
11/07/1996WO1996035296A1 Connection establishing process and server, and associated communication network
11/06/1996EP0741498A2 Optical switching system
11/06/1996EP0741484A2 Automatic still image transmission upon call connection
11/06/1996EP0741481A2 Modem communication interoperability with call waiting services
11/06/1996EP0741471A1 Non-intrusive measurement of telephone transmission line quality
11/06/1996EP0741300A2 Test procedure for circuits in telecommunication networks
11/06/1996EP0740889A1 Maintaining group data in a mobile communications system
11/06/1996EP0740881A1 A method and an arrangement for generating a ringing signal
11/06/1996EP0740880A1 A method for off-hook detection during ringing and the use of a subscriber line interface circuit for off-hook detection during ringing
11/06/1996EP0740879A1 Message system
11/06/1996CN1135136A Telephone subscriber line interface circuit and method
11/06/1996CN1135134A Method and apparatus for prioritizing telephone calls
11/06/1996CN1135133A Method for prevention of overlond for communication network
11/06/1996CN1135132A Mechanism for controlling enabling test set assert off-hook condition on telephone lines
11/05/1996US5572728 Conference multimedia summary support system and method
11/05/1996US5572625 Method for generating audio renderings of digitized works having highly technical content
11/05/1996US5572587 Telephone system and method for easing wait time in queue
11/05/1996US5572586 Communication control apparatus and method and communication exchange apparatus and method
11/05/1996US5572585 Communication system and call processing method
11/05/1996US5572584 Connection control method for personal communications
11/05/1996US5572583 Advanced intelligent network with intelligent peripherals interfaced to the integrated services control point
11/05/1996US5572582 Method and apparatus for establishing communication between two teleconferencing endpoints
11/05/1996US5572581 Method and apparatus for delivering calling services
11/05/1996US5572579 System and method for providing portable telephone number service
11/05/1996US5572578 Exchange of information between interconnected voice mail systems
11/05/1996US5572577 Information system for a PABX
11/05/1996US5572570 Telecommunication system tester with voice recognition capability
11/05/1996US5572518 Band management system in communication
11/05/1996US5572397 Combined overvoltage station protector apparatus having maintenance termination and half ringer circuitry
11/05/1996US5572348 Universal demarcation point
11/05/1996US5572248 Teleconferencing method and system for providing face-to-face, non-animated teleconference environment
11/05/1996US5572005 Telecommunications booth comprising a telecommunications train having a plurality of wheeled housings
11/05/1996CA2116600C Methods and apparatus for inferring orientation of lines of text
11/04/1996CA2175263A1 Automatic still image transmission upon call connection
11/02/1996CA2171362A1 Modem communication interoperability with call waiting services
10/1996
10/31/1996WO1996034506A1 Monitoring method and monitoring system
10/31/1996WO1996034504A1 Method and arrangement for increasing the range for a telecommunication network in a telecommunications system
10/31/1996WO1996034485A1 Media access control for digital data
10/31/1996WO1996034484A2 Remote activity monitoring system and method
10/31/1996WO1996034482A1 Dynamic infrastructure
10/31/1996WO1996034471A2 Fraud resistant remote purchasing system
10/31/1996WO1996034341A1 Message storage and delivery system
10/31/1996DE19515856A1 Verbindungsaufbauverfahren sowie Dienstrechner dafür und Kommunikationsnetz damit Connection establishment procedures and service computer and communication networks in order for it
10/31/1996CA2219168A1 Dynamic infrastructure
10/31/1996CA2218061A1 Method and arrangement for increasing the range for a telecommunication network in a telecommunications system
10/30/1996EP0740486A2 Method and apparatus for providing interswitch handover in personal communication services systems
10/30/1996EP0740483A2 Method for call connection towards a radio subscriber with unconditional call forwarding
10/30/1996EP0740482A1 Telephone management system for answering a transfering calls in a system including a mobile cellular phone
10/30/1996EP0740480A2 Call forwarding in intelligent networks
10/30/1996EP0740479A2 Spontaneous voice and data messaging
10/30/1996EP0740450A2 Method and apparatus for skill-based routing in a call center
10/30/1996EP0740445A2 Method and system for establishing voice communications using a computer network
10/30/1996EP0740257A1 Method for converting operational information in a programmable communication system
10/30/1996EP0739576A1 Monitoring of the operation of a subscriber unit
10/30/1996EP0739574A1 Establishing a group call in a mobile radio system
10/30/1996EP0739565A1 Subscriber line impedance measurement device and method
10/30/1996EP0739558A1 Method and apparatus for multiple media digital communication system
10/30/1996EP0636296B1 Impedance synthesizer for a subscriber line interface circuit
10/30/1996CN2239107Y Telephone receiver with admeasuring apparatus
10/30/1996CN1134775A System and method for prioritized routing of telephone calls to a subscriber
10/30/1996CN1134770A Detection system for component identifier in a telecommunication system
10/30/1996CN1134757A Micro-personal digital assistant
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