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)
08/1995
08/23/1995EP0668686A1 Home telephone system
08/23/1995EP0619913A4 Voice controlled messaging system and processing method.
08/23/1995EP0510136B1 Estimative control system for a group of work stations
08/23/1995CN1107266A Signal transmission method and device
08/22/1995US5444774 Interactive queuing sytem for call centers
08/22/1995US5444773 Method for releasing unnecessary trucks from a telephone call
08/22/1995US5444770 Telephone handset interface for automatic switching between voice and data communications
08/22/1995US5444769 Data communications system for establishing links between subscriber stations and broadcast stations
08/22/1995US5444768 Portable computer device for audible processing of remotely stored messages
08/22/1995US5444760 Routing of special emergency calls
08/22/1995US5444759 Method of predicting voltages in telephone line measurement
08/22/1995US5444713 Telephone information service system using digital and out-of-band signaling
08/22/1995US5444477 Video telephone system
08/19/1995CA2142573A1 Telephone voice mail indicator providing selective polling
08/17/1995WO1995022231A1 Method of detecting service interactions in intelligent networks
08/17/1995WO1995022222A1 Handling of interaction between supplementary services
08/17/1995WO1995022221A1 Remote measurement unit with integrated line measurement and conditioning functionality
08/17/1995WO1995022220A1 Modification of operating system of a programmable test device
08/17/1995WO1995022219A1 Firmware modification in remote measurement unit
08/17/1995WO1995022218A2 Private exchange for isdn
08/17/1995WO1995022183A1 Smart phone
08/17/1995WO1995021529A1 Multilingual operation and maintenance interface for a telecommunication exchange
08/17/1995CA2183325A1 Handling of interaction between supplementary services
08/16/1995EP0667722A1 Method of detecting service interactions in intelligent networks
08/16/1995EP0667090A1 A method and system for providing supplementary services to a mobile station
08/16/1995EP0667084A1 Information transmission system
08/16/1995EP0482163B1 Data network interface
08/15/1995US5442702 Method and apparatus for privacy of traffic behavior on a shared medium network
08/15/1995US5442693 Integrated operator console
08/15/1995US5442690 Telecommunication service record structure and method of execution
08/15/1995US5442689 Apparatus and method for providing services prior to call completion in a telecommuncation system
08/15/1995US5442688 Multiple party telephone control system
08/15/1995US5442679 Apparatus for use in isolating the cause of a dropped telecommunication call
08/15/1995US5442519 Device including a maintenance termination unit and protector
08/15/1995CA2066016C Method of rerouting telecommunications traffic
08/10/1995WO1995021509A1 A method and an arrangement of handling and inspecting supplementary services intended for a mobile telephone unit
08/10/1995WO1995021498A1 Private exchange pots line interfaces
08/10/1995WO1995021497A1 A method and apparatus for communicating between nodes in a communications network
08/10/1995WO1995019083A3 Interface circuit
08/09/1995EP0666680A2 Two-line telephone controller
08/09/1995EP0666678A1 Protection circuit for subscriber connecting circuit and subscriber connecting circuit thereof
08/09/1995EP0666672A2 Interface scanning circuit
08/09/1995EP0615662A4 Gel filled electrical connector.
08/09/1995EP0593556A4 Telephone marketing system.
08/08/1995US5440688 Network management system employing a main processor and an auxiliary processor to receive alarm messages and transmit recovery commands
08/08/1995US5440625 Personal-servicing communication system
08/08/1995US5440624 Method and apparatus for providing adaptive administration and control of an electronic conference
08/08/1995US5440623 Telephone routing system with queuing and voice messaging capabilities
08/08/1995US5440622 Telephone for inhibiting specific calls dialed by an audible tone generator
08/08/1995US5440620 Telecommunications system subscriber profile updating
08/08/1995US5440616 Method and apparatus for interconnecting a messaging system and a private branch exchange
08/08/1995US5440615 Language selection for voice messaging system
08/08/1995US5440613 Architecture for a cellular wireless telecommunication system
08/08/1995US5440612 Method and device for measuring operation parameters of telephone subscriber lines and associated interface circuits
08/08/1995US5440610 Mechanism for controlling operation of telephone metallic loop measurement device in dependence upon rate of settling of telephone line voltage
08/08/1995US5440609 Telephone tester junction box
08/08/1995US5440554 Broadband private automatic branch exchange
08/08/1995US5440546 Packet switch
08/08/1995US5440541 System and method for establishing communications between subscribers based on personal number assigned to each subscriber
08/03/1995WO1995020860A1 Work at home agent acd call distribution
08/03/1995WO1995020859A1 Flexible language selection in a telecommunication system
08/03/1995WO1995020858A1 Process for carrying out a call back order in a subscriber's program-controlled telecommunications extension set
08/03/1995WO1995020857A1 A network-based telephone system having interactive capabilities
08/03/1995WO1995020855A2 Optimizing the capacity of a telecommunication system
08/03/1995WO1995020854A2 Generic service coordination mechanism
08/03/1995WO1995015047A3 Audio and video subsystems for computer-based conferencing system
08/03/1995CA2181686A1 Optimizing the capacity of a telecommunication system
08/03/1995CA2180430A1 Generic service coordination mechanism
08/02/1995EP0665702A2 Signal transmission method and device
08/02/1995EP0665698A1 Restart procedure for the peripheral processors controlling a telecommunications system
08/02/1995EP0665664A1 Method for testing telecommunication systems or parts thereof
08/02/1995EP0346434B1 Automated access facilities and method for use with key telephone systems
08/02/1995CN1106181A Method for releasing unnecessary trunks from a telephone call
08/02/1995CN1029446C Device for evaluating and/or regulating throughput of virtual circuits on asynchronous time-division multiplex transmission channel
08/01/1995US5438616 Method and apparatus for storing telephone numbers and for automatically calling the stored numbers
08/01/1995US5438615 Method of providing message service for pinless limited access telecommunications
08/01/1995US5438606 Open power loop detector for transmission line elements
08/01/1995US5438570 Service observing equipment for signalling System Seven telephone network
08/01/1995US5438568 Mediation of open advanced intelligent network interface for public switched telephone network
08/01/1995US5438357 Image manipulating teleconferencing system
08/01/1995CA2052105C Integrated services platform for telephone communication system
08/01/1995CA2041209C Tone and announcement message code generator for a telephonic switching system and method
08/01/1995CA1336522C Nitrogen-containing esters of carboxy-containing interpolymers
07/1995
07/29/1995CA2140098A1 Protective circuit for a subscriber line circuit and a subscriber line circuit having such a protective circuit
07/28/1995CA2114041A1 Method and apparatus for detecting and responding to events occurring on a remote telephone
07/27/1995WO1995020299A1 Providing individual subscriber services in a cellular mobile communications network
07/27/1995WO1995020290A1 A method and an arrangement for generating a ringing signal
07/27/1995WO1995020289A1 A method for off-hook detection during ringing and the use of a subscriber line interface circuit for off-hook detection during ringing
07/27/1995WO1995020287A1 Telecommunication system for transmitting full motion video
07/27/1995WO1995020286A1 Method of personnel verification
07/27/1995WO1995020195A1 Funds transaction device
07/27/1995CA2181999A1 Funds transaction device
07/27/1995CA2179995A1 A method for off-hook detection during ringing and the use of a subscriber line interface circuit for off-hook detection during ringing
07/27/1995CA2179387A1 A method and an arrangement for generating a ringing signal
07/27/1995CA2157662A1 Providing individual subscriber services in a cellular mobile communications network
07/26/1995EP0664658A2 Communication system for digital cellular data
07/26/1995EP0664636A2 Audio conferencing system
07/26/1995EP0664635A2 Automatic ordering system in communication exchanges
07/26/1995EP0664634A1 Subscriber line testing
07/26/1995CN1105794A Multiple signal source multi-receiver double universal function switching device and its accessory device
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