Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
09/1998
09/16/1998EP0864211A1 Telecommunications information dissemination system
09/16/1998EP0864097A1 Device for carrying out measurements on communication lines
09/16/1998EP0757869B1 Process for activating a mailbox message notification in a communications terminal
09/16/1998EP0738446B1 Method and system for ordering services
09/16/1998CN2291760Y Multi-functional telephone service grade estimating device
09/16/1998CN1193446A Multi-media receiver and system therefor
09/16/1998CN1193445A Route finding in communications networks
09/16/1998CN1193424A Adaptive gain controller
09/16/1998CN1193237A Device for detecting ringing and method therefor
09/16/1998CN1193229A Autonomous device for monitoring telecommunication equipment and method therefor
09/15/1998US5809491 Call traffic based exception generating system
09/15/1998US5809471 Retrieval of additional information not found in interactive TV or telephony signal by application using dynamically extracted vocabulary
09/15/1998US5809469 Method and device to input characters
09/15/1998US5809464 Apparatus for recording speech for subsequent text generation
09/15/1998US5809415 Method and architecture for an interactive two-way data communication network
09/15/1998US5809289 Clock receiver for network synchronization control of exchange system
09/15/1998US5809286 Method and apparatus for emulating a dynamically configured digital cross-connect switch network
09/15/1998US5809237 Registration of computer-based conferencing system
09/15/1998US5809232 Sytem for searching unseen messages in a mail inbasket while an unsent mail distribution is composed and presenting sender with different options upon such detection
09/15/1998US5809130 System and method for selectively retrieving communications from any selected location
09/15/1998US5809129 Resource separation in a call and connection separated network
09/15/1998US5809128 Method and apparatus permitting notification and control of blocked incoming calls over a data network
09/15/1998US5809126 Telephone bar device
09/15/1998US5809125 Method and apparatus for intercepting potentially fraudulent telephone calls
09/15/1998US5809120 Telecommunications network circuit usage measurement
09/15/1998US5809119 Communication method of supplying information in intelligent network and apparatus therefor
09/15/1998US5809114 Anonymous interactive telephone system
09/15/1998US5809113 Enhanced, deferred messaging service
09/15/1998US5809110 Technique of controlling telephone calls
09/15/1998US5809109 Integrated ring sensor with fault detection
09/15/1998US5809108 Automated test call generation and execution system
09/15/1998US5809018 Group call method, a system controller and a subscriber station in a radio system
09/15/1998US5808849 Method for the protection in particular of telecommunication installations and protection circuit for carrying out the method
09/15/1998CA2071132C Telephone protector including removable fuse holder
09/15/1998CA2065131C Method of defining operation of switching system peripherals
09/15/1998CA2056254C Bi-directional buffer line amplifier
09/15/1998CA2051910C Circuit for testing digital lines
09/11/1998WO1998039941A1 Wireless telephony system enabling access to pc based functionalities
09/11/1998WO1998039935A1 Intelligent call connection service
09/11/1998WO1998039904A1 'return to prior agent' feature in multi-destination call delivery services
09/11/1998WO1998039903A1 Automatic call back service in a telephone answering system
09/11/1998WO1998039902A1 Improved method and apparatus for searching a plurality of destination numbers
09/11/1998WO1998039901A1 Telephone call transcription with electronic delivery
09/11/1998WO1998039900A1 Communication system
09/11/1998WO1998039899A1 System and method for real-time fraud detection within a telecommunications system
09/11/1998WO1998039894A1 Method and apparatus for telephone intercom doorbell response system
09/11/1998WO1998039890A1 Communication path control device, communication path control method, and communication path control unit
09/11/1998WO1998039849A2 Echo cancellation system and method for multipoint networks
09/11/1998WO1998024259A3 Routing number selection by the base station controller of a cellular telephone network
09/11/1998WO1998010576A3 Interactive telecommunications
09/11/1998CA2283144A1 Improved method and apparatus for searching a plurality of destination numbers
09/11/1998CA2282844A1 Communication system
09/11/1998CA2282724A1 Wireless telephony system enabling access to pc based functionalities
09/11/1998CA2281099A1 Method and apparatus for telephone intercom doorbell response system
09/09/1998EP0863688A2 Connection apparatus for connecting a digital or analog subscriber line of communication network to communication device
09/09/1998EP0863681A2 Automatic routing technique
09/09/1998EP0863680A2 Method and apparatus for improved call control scheduling in a distributed system with dissimilar call processors
09/09/1998EP0863679A2 Distributed network control and fabric application interface
09/09/1998EP0863678A2 Method for automatic service provisioning for telecommunications
09/09/1998EP0863652A2 Method and apparatus for providing an alternate telecommunications network
09/09/1998EP0863651A2 Waiting-call selection based on objectives
09/09/1998EP0863650A2 Waiting-call selection based on anticipated wait times
09/09/1998EP0863649A2 Apparatus for monitoring state of traffic in telecommunication network
09/09/1998EP0862843A2 Crossbar/hub arrangement for multimedia network
09/09/1998EP0862841A1 Updating a card unit in an electronic apparatus
09/09/1998EP0862839A1 A method for establishing a wireless telecommunication connection
09/09/1998EP0862838A1 Call routing to wireless roamers in mobile telecommunication systems
09/09/1998EP0862828A1 Fault management system for a telecommunications network
09/09/1998EP0862825A1 Improving the modifiability of a data system
09/09/1998EP0846395A4 Method and apparatus for recording and indexing an audio and multimedia conference
09/09/1998EP0741943A4 Telecommunication system for transmitting full motion video
09/09/1998EP0635191B1 A method of completing a telephone call in a telephone system
09/09/1998CN1192840A Route finding in communications networks
09/09/1998CN1192634A Content searchable communications for routing method and ACD system
09/09/1998CN1192621A Ring trip circuit for stopping call signal at different timing from zero-crossing point of call signal
09/08/1998US5805991 Technique for eliminating free paging in a personal mobile communication system
09/08/1998US5805695 Transmit by-pass cable
09/08/1998US5805692 Private automatic branch exchange (PABX) system with transparent computer supported telecommunications applications (CSTA) functionality
09/08/1998US5805691 System and method for safely and efficiently redirecting a telephone call
09/08/1998US5805689 Geographically mapped telephone routing method and system
09/08/1998US5805688 Automated system and method for call handling
09/08/1998US5805687 Subscriber equipment muting method and apparatus
09/08/1998US5805686 Telephone fraud detection system
09/08/1998US5805685 Three way call detection by counting signal characteristics
09/08/1998US5805680 Method and apparatus for telephone call sub-billing
09/08/1998US5805677 Apparatus for facilitating the display of information relating to the origin of a third source caller
09/08/1998US5805676 Telephone/transaction entry device and system for entering transaction data into databases
09/08/1998US5805673 Method and apparatus for reliable access to audio and facsimile message storage and retrieval system
09/08/1998US5805671 Audio message service apparatus
09/08/1998US5805587 Call notification feature for a telephone line connected to the internet
09/08/1998CA2084105C Subscriber initiated non-intrusive network-based analysis of facsimile transmissions
09/06/1998CA2199312A1 Telephone call transcription with electronic delivery
09/03/1998WO1998038829A2 Redundancy, expanded switching capacity and fault isolation arrangements for expandable telecommunications system
09/03/1998WO1998038804A2 Procedure for releasing connections
09/03/1998WO1998038785A2 Method and apparatus for conferencing in an expandable telecommunications system
09/03/1998WO1998038784A1 Method and system for transferring calls and call-related data between a plurality of call centers
09/03/1998WO1998038783A1 Apparatus for storing voice messages in a wireless telephone system
09/03/1998WO1998038782A1 Message system
09/03/1998WO1998038781A1 Call-forwarding system using adaptive model of user behavior
09/03/1998WO1998038780A1 System and method for monitoring calls parked on an automatic call distributor