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)
07/1998
07/30/1998WO1998010573A3 System and method for providing user connectivity to a remote data site
07/29/1998EP0855827A2 Method of providing conferencing in telephony
07/29/1998EP0855826A2 Automatic dynamic changing of agents' call-handling assignments
07/29/1998EP0855825A2 Detecting high usage telecommunications lines
07/29/1998EP0855824A2 Monitoring of a packet telephony device via a control device
07/29/1998EP0855117A1 Improved architecture for voice messaging systems
07/29/1998EP0855114A1 Method and aparatus for transmitting and routing voice telephone calls over a packet switched computer network
07/29/1998EP0744113B1 Method of detecting service interactions in intelligent networks
07/29/1998EP0606282B1 Method for realising a group call in a digital radio network
07/29/1998CN1189063A Method for generating load signal using boomerang technique
07/28/1998US5787343 Method of processing calls between mobile terminals and fixed terminals
07/28/1998US5787257 In a network
07/28/1998US5787164 Switched network call progress protocol analyzer
07/28/1998US5787163 In a telecommunications network
07/28/1998US5787162 Apparatus and method for scheduling urgent communication sessions
07/28/1998US5787161 Network designer for communication networks
07/28/1998US5787160 Intelligent routing of special service calls
07/28/1998US5787159 Use of caller ID information
07/28/1998US5787157 Gateway device for telecommunication station
07/28/1998US5787156 Telephonic-interface lottery system
07/28/1998US5787154 Universal authentication device for use over telephone lines
07/28/1998US5787153 System for incremental redistribution of telephony applications computing workload
07/28/1998US5787151 Telephony based delivery system of messages containing selected greetings
07/28/1998US5787150 In a telecommunications network
07/28/1998US5787148 For use in a telephone network
07/28/1998US5787086 Method and apparatus for emulating a circuit connection in a cell based communications network
07/23/1998WO1998032291A1 Intelligent network with distributed service control function
07/23/1998WO1998032275A1 A billing method in a telecommunication network
07/23/1998WO1998032274A1 E-mail notification system
07/23/1998WO1998032273A1 E-mail grabbing system
07/23/1998WO1998032272A1 Method and apparatus for messaging
07/23/1998WO1998032271A1 Telephone exchange
07/23/1998WO1998032270A1 Automatic call generator within a telecommunications system
07/23/1998WO1998032269A1 Automated call programming system and method of operation
07/23/1998WO1998032259A2 Signature based fraud detection system
07/23/1998WO1998026621A3 System and method of forwarding data calls in a radio telecommunications network
07/23/1998WO1998026573A3 Method and device for detecting a ringtrip
07/23/1998WO1998026572A3 Ring-trip circuit
07/23/1998WO1998025390A3 Network operator controlled usage of long distance carriers
07/23/1998WO1998023096A3 System and method for implementing local number portability
07/23/1998WO1998021870A3 Apparatus and method for scheduling a telephone call
07/23/1998WO1998017069A3 Method and apparatus for establishing a link in a wireless communication system
07/23/1998WO1998015131A3 Method to restore subscriber related information in a communication network data base system
07/23/1998DE19801769A1 Telecommunication subscriber unit control system
07/23/1998DE19756520A1 Digital message generation method e.g. for facsimile messages
07/23/1998DE19644786A1 Subscriber call registering method especially for mobile telecommunications network
07/23/1998CA2277275A1 Telephone exchange
07/23/1998CA2249185A1 Forming a signature of parameters extracted from information
07/22/1998EP0854655A2 Multi-format communications client-server and method
07/22/1998EP0854417A2 Voice activated control unit
07/22/1998EP0853859A1 Voice band call routing
07/22/1998CN1188385A Mobility management system in personal communication system
07/22/1998CN1188384A Wireless internet network architecture for voice and data communication
07/22/1998CN1188383A PHS terminal device and data collection system using the same
07/22/1998CN1188362A Integral automatic testing method for local telephone subscribers, line fault feports
07/22/1998CN1188361A Telephone line monitoring technique capable of unconditional stopping communication service
07/21/1998USRE35854 Programmable protection circuit and its monolithic manufacturing
07/21/1998US5784558 Method and apparatus for testing of extended ISDN BRI service
07/21/1998US5784455 Method and apparatus for echo compensator connection for telephone connections
07/21/1998US5784452 Telephony call center with agent work groups
07/21/1998US5784451 Virtual telephony data message system and process
07/21/1998US5784450 Method of establishing a connection to a subscriber through a first network, as well as service computer, switching facility, and terminal
07/21/1998US5784448 Advanced call waiting processing
07/21/1998US5784447 Method and circuit arrangement for allowing telephone conversations among several users
07/21/1998US5784446 Method and apparatus for installing telephone intercom-voice messaging apparatus at doorbell for dwelling
07/21/1998US5784444 In a telecommunications system
07/21/1998US5784443 Integrated revenue domain for telecommunication networks
07/21/1998US5784438 Automatic callback system and method
07/21/1998US5784437 Electronic switch connected to intelligent peripheral while permitting call processing of dialed digits
07/21/1998US5784436 Automatic telephone recorder system incorporating a personal computer having a sound handling feature
07/21/1998US5784406 Method and apparatus for objectively characterizing communications link quality
07/21/1998CA2096402C High-speed facility protection in a digital telecommunications system
07/21/1998CA2073066C Private telephone system with simplified command feature
07/16/1998WO1998031172A1 Intelligent terminal application protocol
07/16/1998WO1998031171A1 Method and arrangement for controlling of non real-time critical messages in a telecommunication system
07/16/1998WO1998031168A2 Establishing emergency calls within a mobile telecommunications network
07/16/1998WO1998031158A1 Method of producing a network
07/16/1998WO1998031130A1 System and method for operating a plurality of call centers
07/16/1998WO1998031118A1 Method of assigning a device identification
07/16/1998WO1998024230A3 A mechanism for a system and method for detecting fraudulent use of collect calls
07/16/1998WO1998021868A3 Arrangement in a subscriber line interface circuit
07/16/1998WO1998019433A3 Method and apparatus for identifying type of call
07/16/1998WO1998015137A3 Method for connecting an incoming call in a wireless telecommunications installation to a dual mode terminal
07/16/1998WO1998015136A3 Method for preserving the performance characteristics settings of a wireless terminal
07/16/1998WO1998015100A3 Method and apparatus for obtaining feedback regarding network services
07/16/1998WO1998011755A3 Process and device for increasing the reach of transmission paths between functional units of an isdn subscriber connection with a minimized band width
07/16/1998DE19700148A1 Verfahren zur Erzeugung eines Netzes A method for generating a network
07/16/1998DE19653469A1 Link control method between terminals of radio communication network
07/15/1998EP0852890A1 Providing services in a telecommunications network
07/15/1998EP0852889A1 Method and an arrangement for setting up a data call, and an adapter equipment
07/15/1998EP0852888A1 Method and system for processing telephone calls involving two digital wireless subscriber units that avoids double vocoding
07/15/1998EP0852884A1 Methods and apparatus for providing communications to telecommunications terminals
07/15/1998EP0852875A2 Method of handling incoming calls to communication systems with automatic call distribution for busy agent-communication terminals
07/15/1998EP0852874A2 System for incremental redistribution of telephony applications computing workload
07/15/1998EP0852873A1 Method and apparatus for automatic call distribution
07/15/1998EP0852872A1 Methods and apparatus for originating voice calls
07/15/1998EP0852871A2 Method and apparatus for providing telecommunication services
07/15/1998EP0852870A2 Personal information manager for updating a telecommunication subscriber profile
07/15/1998EP0852869A1 Method and system for transferring data between a mobile and a stationary group of persons
07/15/1998EP0852868A2 Point-to-point internet protocol
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