H04M 3 - Automatic or semi-automatic exchanges

Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
12/1994
12/08/1994	WO1994028683A1 Communications apparatus
12/08/1994	WO1994028669A1 Dialing pager
12/08/1994	WO1994028665A2 Method and apparatus for delivering secured telephony service in a hybrid coaxial cable network
12/08/1994	DE4419506A1 Interaktives Anrufbeantwortersystem Interactive Answering System
12/08/1994	CA2141323A1 Method and apparatus for delivering secured telephony service in a hybrid coaxial cable network
12/07/1994	EP0627862A2 Virtual private networks
12/07/1994	EP0627838A1 Conference call participation tracking
12/07/1994	EP0627837A1 Telecommunications call completion based on mutually agreed upon criteria
12/07/1994	EP0627154A1 A person paging method
12/07/1994	EP0627152A1 Facsimile arrangement.
12/07/1994	EP0627149A1 A method of establishing cooperation with a functionality
12/07/1994	EP0627148A1 Method and system for supporting communication
12/07/1994	EP0627147A1 Method of organizing communication and system for carrying out the method
12/07/1994	EP0627146A1 A method of establishing a connection and a system for practicing the method
12/07/1994	EP0627145A1 A method of producing an intelligent network service
12/07/1994	EP0627143A1 Management in telecom and open systems
12/06/1994	US5371785 Telephonic console with multipersonality control apparatus and method
12/06/1994	US5371732 Method of detecting a routing loop in a telecommunication network, telecommunication network for using the method, and detection means for use in the telecommunication network
12/03/1994	CA2123670A1 Telecommunications call completion based on mutually agreed upon criteria
12/03/1994	CA2122116A1 Alerting and monitoring services for communications systems
12/02/1994	CA2124266A1 Answering system having message reminder service
12/02/1994	CA2123041A1 Method for locating a user of telephone subscriber equipment
11/1994
11/30/1994	EP0626776A1 Data message storage and pick up service
11/30/1994	EP0626774A1 Method and apparatus for facilitating the making of collect calls
11/29/1994	US5369759 Call information based matching system for stored program-controlled switching system
11/29/1994	US5369700 Multi-function telephone apparatus and control method
11/29/1994	US5369696 Intraswitch transition to new line support equipment
11/29/1994	US5369695 Method of redirecting a telephone call to an alternate destination
11/29/1994	US5369694 Unattended meet-me-conference controlled by a telephone terminal
11/29/1994	US5369693 Telephonic telemeeting system
11/29/1994	US5369690 Telephone call detecting circuit and a method of remotely accessing and testing a telephone
11/29/1994	US5369688 Data communication apparatus with interrupt completion detecting
11/29/1994	US5369685 Voice-activated telephone directory and call placement system
11/29/1994	US5369680 Pro-active billing and routing test set
11/29/1994	US5369644 Method for testing a communication system using canned speech
11/29/1994	CA2013915C Method for allocating incoming-call to extension telephone sets in private branch exchange and private branch exchange having automatic incoming-call allocating function
11/24/1994	WO1994027411A1 Method for resolving conflicts among entities in a distributed system
11/24/1994	WO1994027397A1 Computer-to-telephone interface
11/24/1994	WO1994027394A1 Telephone answering and voice messaging machine
11/24/1994	WO1994027258A1 Telephone system for remotely purchasing tickets and ordering products
11/23/1994	CN1026746C Programme controlled magnetic system telephone user exchange system
11/22/1994	US5367609 Editing compressed and decompressed voice information simultaneously
11/22/1994	US5367568 Switchboard terminal apparatus having a plurality of loop circuits
11/22/1994	US5367567 Subscriber apparatus with ringer generator for sending ringer signal to subscriber line
11/22/1994	US5367566 Common channel signaling message intercept system
11/22/1994	CA2036049C Exchange having a display apparatus for displaying calls terminated at an attendant console
11/22/1994	CA2025014C Ground fault detector
11/22/1994	CA1333189C Protection circuit for battery feed circuit
11/17/1994	EP0624968A2 Image and audio communication system having graphical annotation capability
11/17/1994	EP0624967A1 Addressing in a network of voice mail systems
11/17/1994	EP0624964A1 Database access
11/17/1994	EP0624299A1 Method of delivering paging messages using voice mail
11/17/1994	EP0624292A1 Near-end communications line characteristic measuring system
11/17/1994	DE4316091A1 Method and system components to determine the location of a subscriber in a communication system
11/15/1994	US5365582 Call distributing service system for a plurality of terminals
11/15/1994	US5365581 Telephonic switching system with automatic port assignment capability and method
11/15/1994	US5365580 System and method of detecting unauthorized use of identifiers
11/15/1994	US5365578 Method and system for transferring special circuit telephone pairs
11/15/1994	US5365577 Telecommunication display system
11/15/1994	US5365575 Telephonic-interface lottery system
11/15/1994	US5365574 Telephone network voice recognition and verification using selectively-adjustable signal thresholds
11/15/1994	US5365572 Cordless key telephone system with multiple tenant facility
11/15/1994	US5365265 Multipoint teleconference system employing communication channels set in ring configuration
11/15/1994	US5365230 For a computer
11/11/1994	EP0670094A4 Telephone call handling system.
11/10/1994	WO1994026073A1 Subscriber services arrangement for mobile telecommunications system providing pabx access
11/10/1994	WO1994026059A1 Method and system for secure delivery of telephonic information
11/10/1994	WO1994026056A1 Improved features for a telecommunications display system
11/10/1994	WO1994026054A1 Apparatus and method for transparent telephony
11/10/1994	WO1994026052A1 Tele- and data communication system
11/10/1994	WO1994026042A1 A method for selecting a free link and an arrangement herefor
11/10/1994	CA2159713A1 Tele- and data communication system
11/10/1994	CA2137136A1 Subscriber services arrangement for mobile telecommunications system providing pabx access
11/09/1994	EP0624043A1 Cable management system
11/09/1994	EP0624022A1 Apparatus for testing the speech path in the switching network of a digital time-multiplex telephone exchange
11/09/1994	CN1094882A Wireless digital personal communications system having voice/data/image two-way calling and intercell hand-off provided through distributed logic resident in portable handset terminals radio cell.....
11/09/1994	CN1094878A A method of completing a telephone call in a telephone system
11/08/1994	US5363507 Method and system for storing and retrieving collaboratively processed information by associated identification data
11/08/1994	US5363442 Retrofit interface apparatus and method for remote isolation devices
11/08/1994	US5363441 Technique for reducing echoes in conference communications
11/08/1994	US5363435 Method and apparatus for seizing a trunk circuit in a telecommunications private branch exchange
11/08/1994	US5363431 Visual message waiting indication in a telephone voice message system
11/08/1994	US5363429 Radio telephone device capable of identifying an interrupting caller and telephone system using the same
11/08/1994	US5363425 Method and apparatus for providing a personal locator, access control and asset tracking service using an in-building telephone network
11/04/1994	CA2117232A1 Cable management system
11/03/1994	DE3690413C2 Intermediate repeater for use in two-wire links of a dial-up telephone network and method for controlling the amplification of said repeater
11/02/1994	EP0622969A2 Video conversation/monitoring system
11/02/1994	EP0622964A1 Voice activity detection method and apparatus using the same
11/02/1994	EP0622943A1 Power management circuit for a subscriber line interface circuit
11/02/1994	EP0622939A1 Method for routing of calls and communication terminals for such
11/02/1994	EP0622938A2 Work at home ACD agent network
11/02/1994	EP0622937A2 A method of rapidly assessing damage to outside loop plant
11/02/1994	EP0622936A1 Access to capabilities of other telephone stations
11/02/1994	EP0550642B1 Dtmf signal detection apparatus for a voice store and forward equipment
11/02/1994	EP0179898B2 A two way personal message system with extended coverage
11/02/1994	CN1094554A Improved audio/video telephone communications
11/01/1994	US5361299 Exchange apparatus enclosing a plurality of extension terminals and connecting an extension terminal to a line wire
11/01/1994	US5361298 Telecommunications service provision equipment transfer
11/01/1994	US5361295 Call screening telephone communication method
11/01/1994	US5361293 Line/drop testing from a craft terminal using test unit

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