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)
07/1996
07/02/1996US5533118 Voice activity detection method and apparatus using the same
07/02/1996US5533116 Network management system
07/02/1996US5533115 Network-based telephone system providing coordinated voice and data delivery
07/02/1996US5533114 Telecommunication system comprising subscriber connection units having independent routing ability
07/02/1996US5533113 Automatic position managing system
07/02/1996US5533112 Volume control in digital teleconferencing
07/02/1996US5533110 Human machine interface for telephone feature invocation
07/02/1996US5533108 Method and system for routing phone calls based on voice and data transport capability
07/02/1996US5533107 Method for routing calls based on predetermined assignments of callers geographic locations
07/02/1996US5533103 Calling system and method
07/02/1996US5533102 Telephone auto attendant system for delivering chosen greetings to callers while on the phone
07/02/1996US5533100 Communications system call complete arrangement
07/02/1996US5533096 Send-all-calls feature for a wireless handset
07/02/1996US5533093 Supervisory control mechanism
07/02/1996US5533092 Order wire in telephone communication system
07/02/1996US5533007 ISDN line circuit monitor system
07/02/1996CA2076434C Incoming communications forwarding technique utilizing a called party location indicator
07/02/1996CA2069065C Adaptive frequency dependent compensation for telecommunication channels
07/01/1996CA2166149A1 Call routing and handling system for conveying confidential medical test result information to anonymous callers
07/01/1996CA2163818A1 One-dimensional optical data arrays implemented within optical networks
06/1996
06/30/1996CA2165713A1 Apparatus and method for routing messages in a telephone message center
06/27/1996WO1996019907A1 System for tdma mobile-to-mobile vselp codec bypass
06/27/1996WO1996014701A3 Telephonic voice message transmission control method
06/27/1996DE4446717A1 Automatically informing customer of bank account transactions via telephone
06/26/1996EP0719069A2 Single stage time switch with partitioned processor
06/26/1996EP0719068A2 ATM network architecture employing an out-of-band signaling network
06/26/1996EP0719059A2 Personal communication using intelligent terminals
06/26/1996EP0719058A2 Jumper tracing system
06/26/1996EP0719044A2 Multi-location television conference system
06/26/1996EP0719028A2 Optimization of adaptive filter tap settings for subband acoustic echo cancellers in teleconferencing
06/26/1996EP0719026A2 Automatic conference initiation upon all telephones for the conference being idle
06/26/1996EP0719025A2 Method and circuit arrangement for allowing telephone conversation among several users
06/26/1996EP0719024A2 Automatic call back under control of a telephone terminal
06/26/1996EP0719019A2 Method for delivering a message in one of several languages and apparatus therefor
06/26/1996EP0717899A1 A queueing system for switches having "fast-circuit" properties
06/26/1996EP0519963B1 Telephone call detecting circuit and a method of remotely accessing and testing a telephone
06/26/1996CN1125367A Method of and apparatus for interfacing an attendant console in a private branch exchange
06/25/1996US5530950 Audio data processing
06/25/1996US5530931 Method and apparatus for providing a look ahead feature for enhanced call forwarding in a telecommunications system
06/25/1996US5530744 Method and system for dynamic customized call routing
06/25/1996US5530742 Intelligent communications networks
06/25/1996US5530740 System and method for integrating voice, facsimile and electronic mail data through a personal computer
06/25/1996US5530739 Mail center management system
06/25/1996US5530724 Echo canceler with automatic enablement/disablement on a per-call basis
06/25/1996US5530699 Method for distributed voice conferencing in a fast packet network
06/25/1996CA2056298C Telecommunications network restoration architecture
06/25/1996CA2046259C Communication link identifier
06/21/1996CA2165608A1 Method and circuit arrangement for allowing telephone conversations among several users
06/21/1996CA2138565A1 Modem with the call waiting feature
06/20/1996WO1996019085A2 Flow control method for short message service-busy subscriber
06/20/1996WO1996019072A1 A method and apparatus for testing lines in a telecommunications network
06/20/1996WO1996019071A2 A method for expanding a supporting system
06/20/1996WO1996019070A1 Traffic control in a telecommunications system
06/20/1996WO1996005702A3 Method and apparatus for authentication in a communication system
06/20/1996CA2207421A1 Traffic control in a telecommunications system
06/20/1996CA2164549A1 Human machine interface for telephone feature invocation
06/19/1996EP0717570A2 Method for use of non-call related services by communication network subscribers
06/19/1996EP0717546A2 A multimedia user interface for accessing a network-based multipoint meeting
06/19/1996EP0717545A2 Interactive telephone networking service
06/19/1996EP0717544A2 Graphical user interface for multimedia conferencing system
06/19/1996EP0717543A2 Method and apparatus for remote maintenance procedures
06/19/1996EP0717345A1 Graphical user interface for multimedia call set-up and call handling
06/19/1996CN2229738Y Device for getting ringing signal
06/19/1996CN1125025A A home and small business phone system for operation on a single internal twisted pair line
06/18/1996US5528739 Documents having executable attributes for active mail and digitized speech to text conversion
06/18/1996US5528731 Method of accommodating for carbon/electret telephone set variability in automatic speaker verification
06/18/1996US5528682 Double duty capacitor circuit and method
06/18/1996US5528680 Apparatus and method for accessing and maintaining a caller-ID based telephone directory
06/18/1996US5528678 Revertive calling automatic call distributor
06/18/1996US5528677 System for providing communications services in a telecommunications network
06/18/1996US5528676 Missed calls accounting and reporting system
06/18/1996US5528672 Telephone system with subscriber selected audio and image announcements
06/18/1996US5528670 Voice message-based administration system
06/18/1996US5528666 Personal phone expansion system
06/18/1996US5528662 Active strapping and switching device for telephone line testing
06/18/1996US5528661 Diagnostic mechanism for monitoring operational status of remote monitoring and test unit which controllably test and conditions subscriber line circuits
06/18/1996US5528660 Display-based control mechanism resident in portable test and communications device for facilitating craftsperson's remote testing of selected portion of telephone network
06/18/1996US5528281 Method and system for accessing multimedia data over public switched telephone network
06/18/1996CA2077107C Subscriber loop tester for telephone switching systems
06/18/1996CA2058644C Voice activated telephone set
06/18/1996CA2045013C Modem pooling system
06/17/1996WO1996019068A1 Network based multimedia messaging method and system
06/17/1996CA2160944A1 Multimedia user interface for accessing a network based multipoint conference
06/17/1996CA2160821A1 Graphical user interface for distributing and/or sharing information
06/14/1996CA2163570A1 Method and apparatus for detecting a telephone cpe alerting signal
06/13/1996WO1996018274A1 Communication system with mobile telephones and process for operating the same
06/13/1996WO1996018260A1 Computer apparatus with dialogue-based input system
06/13/1996WO1996018258A2 Intelligent call processing platform for home telephone system
06/13/1996WO1996011542A3 A network based knowledgeable assistant
06/13/1996WO1996010319A3 A method and system for updating software within a telecommunications switch without interrupting existing communication
06/12/1996EP0716533A2 A gateway system and method
06/12/1996EP0716532A2 Distributed telecommunication for telemarketing
06/12/1996EP0716531A1 Telecommunication system with message storage devices
06/12/1996EP0715792A1 Method for accomplishing a connection
06/12/1996EP0715791A1 An apparatus for protecting a subscriber line interface circuit against overvoltages
06/12/1996EP0715790A1 Method for accessing real-time data in an automatic call distribution system
06/12/1996EP0715773A1 Cross-connect system
06/12/1996EP0628231B1 Analogue bidirectional switch
06/12/1996EP0531493B1 Auxiliary communication service routing
06/12/1996EP0433465B1 Personal communication system
1 ... 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 ... 999