Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
06/1996
06/12/1996EP0416129B1 Switching system for application service
06/12/1996CN1124558A Communications apparatus
06/12/1996CN1124555A Call control in a telecommunication system
06/12/1996CN1124424A Method for transmitting double audio signals and radio letter receiving and sending machine
06/11/1996US5526425 Interface circuit between a four wire line and a two wire line
06/11/1996US5526423 Communication apparatus and method with service execution according to dial number
06/11/1996US5526422 System and method for cleaning the display screen of a touch screen device
06/11/1996US5526417 Automatic call distributor with automated postconversation message system
06/11/1996US5526416 Automatic call distribution system with an ISDN compatible call connection system and method
06/11/1996US5526415 Integrated communication system with intelligent network and telecommunications management network
06/11/1996US5526414 Dynamically controlled routing using virtual nodes
06/11/1996US5526409 Adaptive communication system within a transaction card network
06/11/1996US5526401 Methods and apparatus for acknowledging a paging message via a cellular network control channel
06/11/1996US5526354 Packet communication terminal having synchronized audio and cursor data
06/11/1996CA2009937C Voice-data telephonic control system
06/07/1996CA2160615A1 Systems, methods and articles of manufacture for performing distributed telecommunications
06/06/1996WO1996017484A1 A radio telecommunication system
06/06/1996WO1996017483A1 Radiotelephone system for a limited group of users
06/06/1996WO1996017482A1 Telecommunication network
06/06/1996WO1996017466A2 Communication system for multiservice terminals
06/06/1996WO1996017465A1 Dynamic selection of voice compression rate in a voice data modem
06/06/1996WO1996017464A2 A method for a continuous monitoring of an analogue subscriber network
06/06/1996WO1996017458A1 Routing in a communication network
06/06/1996WO1996017453A2 A communication system, a private automatic branch exchange, and a line card
06/06/1996WO1996010891A3 Procedure and system for processing data traffic signals carrying information
06/06/1996CA2205595A1 Telecommunication network
06/06/1996CA2181833A1 Radiotelephone system for a limited group of users
06/05/1996EP0715475A2 Call processing method in a PCS environment
06/05/1996EP0715474A2 Adjunct processor based call processing method
06/05/1996EP0715446A2 Method for a telecommunication exchange, especially a telephone exchange with night positions
06/05/1996EP0715445A2 System for performing distance hotel reservations and similar reservations
06/05/1996EP0715444A2 Telephone call-back application
06/05/1996EP0715443A2 Technique for use in processing telephone calls
06/05/1996EP0715442A2 Method and apparatus for providing personal calling identification at remote locations
06/05/1996CN1124083A Providing individual subscriber service in a cellular mobile communications network
06/05/1996CN1124079A Computer-to-telephone interface
06/05/1996CN1124001A A method and system for updating replicated databases in foreign and home telecommunication network systems for supporting global mobility of network
06/05/1996CN1124000A A method and system for updating replicated databases in telecommunication network system
06/05/1996CN1123998A Telephone
06/05/1996CN1123983A Method for calling distribution in communication network
06/05/1996CN1123982A Pro-active billing and routing test set
06/05/1996CN1123977A Method for distributed voice conferencing in a fast packet network
06/04/1996US5524148 Background noise compensation in a telephone network
06/04/1996US5524147 Method for forming a virtual call center
06/04/1996US5524146 Automatic access to communication service providers
06/04/1996US5524145 Incoming call completion threshold restriction
06/04/1996US5524141 System and method for providing directory information over a telephony network using ADSI
06/04/1996US5524139 System for automatic access to automated telephonic information services
06/04/1996US5524137 Multi-media messaging system
06/04/1996US5524111 Method and apparatus for transmitting an unique high rate digital data flow over N multiple different independent digital communication channels between two different primary terminal adapters
06/04/1996US5524110 Conferencing over multiple transports
06/04/1996US5524049 Personal-servicing communication system
06/04/1996US5524045 Cordless telephone terminal controlling system
06/04/1996US5524043 Remotely connectable maintenance termination unit
06/04/1996US5523868 Apparatus and method for monitoring power loss in a telecommunications system
06/04/1996US5523747 Asset management in a cable management system
06/04/1996CA2045019C Terminal adapter pooling system
05/1996
05/30/1996WO1996016519A1 Maintaining group data in a mobile communications system
05/30/1996WO1996016516A1 Travelling log for intelligent network testing
05/30/1996WO1996016515A1 Intelligent network testing
05/30/1996WO1996016502A1 System and method for providing a managing system with information and a telecommunications system comprising such
05/30/1996WO1996016501A1 An improved telephone system and interface device
05/30/1996WO1996016500A1 Voice response system with programming language extension
05/30/1996WO1996016488A1 Mobile satellite communications system with local and global network
05/30/1996DE4442410A1 Funksystem für eine geschlossene Benutzergruppe Radio system to a closed user group
05/30/1996CA2205883A1 System and method for providing a managing system with information and a telecommunications system comprising such
05/30/1996CA2198626A1 Intelligent network testing
05/30/1996CA2159972A1 Adjunct call handling for accessing adjunct-based capabilities platform
05/29/1996EP0714206A2 Method for testing signalling protocols for videophones
05/29/1996EP0714195A1 Billing arrangements for communication call segments having no communications
05/29/1996EP0714194A2 Method in a telephone system for reaching a subscriber under busy/no answer conditions and ring/no answer conditions
05/29/1996EP0714062A2 Method for providing multiple grades of service with protection against overloads in a shared resources system
05/29/1996EP0713626A1 Method of selecting one of at least two telecommunications terminals and a suitable telecommunications terminal
05/29/1996EP0713625A1 An audio processing system for teleconferencing
05/29/1996EP0609209B1 Method for relaying information in an integrated services network
05/29/1996CN1123508A 综合通信系统 Integrated Communication System
05/28/1996US5522089 Personal digital assistant module adapted for initiating telephone communications through DTMF dialing
05/28/1996US5521972 Communications system reconfigurable with reduced network configuration data
05/28/1996US5521971 Communication network control method
05/28/1996US5521970 Arrangement for extending call-coverage across a network of nodes
05/28/1996US5521965 Apparatus and method for handling busy calls in telephone network
05/28/1996US5521964 Visual message waiting indication in a telephone voice message system
05/28/1996US5521959 Programmable source for supplying controllably variable AC/DC voltage output for telephone line measurement apparatus
05/28/1996US5521958 Telecommunications test system including a test and trouble shooting expert system
05/28/1996US5521924 Telephone subscriber accomodation system in a broadband network
05/28/1996US5521919 Method and apparatus for providing switch-based features
05/28/1996US5521905 Adaptive traffic control apparatus and method for controlling connection of arriving calls
05/28/1996US5521903 Port system for interfacing digital PBX to digital transmission facility
05/28/1996US5521902 Location identification in a communications signalling network
05/28/1996US5521734 One-dimensional optical data arrays implemented within optical networks
05/28/1996US5521562 High isolation switch
05/28/1996US5521335 Tele-writing system, for each other changing image displayed on another terminal, having function of identifying document to be processed in tele-writing operation
05/28/1996CA2014369C Network system having different attributes of terminal equipment devices
05/24/1996CA2162200A1 Efficiently providing multiple grades of service with protection against overloads in shared resources
05/23/1996WO1996015639A1 Establishing a group call in a mobile radio system
05/23/1996WO1996015635A1 Controlling elements of a telecommunications network
05/23/1996WO1996015612A1 Computer-based multifunction personal communication system with caller id
05/23/1996WO1996015601A2 Voice over data conferencing communications system
05/23/1996WO1996015490A1 Group-oriented communications user interface
05/23/1996WO1996012350A3 Method and apparatus for interfacing computers to exchange telephone call business information