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