| Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881) |
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| 06/10/1997 | US5638434 Conference system for dial-out telephone calls |
| 06/10/1997 | US5638431 Calling card validation system and method therefor |
| 06/10/1997 | US5638430 Call validation system |
| 06/10/1997 | US5638425 Automated directory assistance system using word recognition and phoneme processing method |
| 06/10/1997 | US5638424 Telephone voice mail delivery system |
| 06/10/1997 | US5638363 Switched telecommunications network with bandwidth management for different types of multiplexed traffic |
| 06/10/1997 | US5638114 Multi-location control apparatus, television conference terminal unit, and multi-location television conference system |
| 06/10/1997 | CA2092841C Bidirectional video telephony between cable television and switched telephone systems |
| 06/10/1997 | CA2092839C Video telephony dialing |
| 06/05/1997 | WO1997020448A1 Updating a card unit in an electronic apparatus |
| 06/05/1997 | WO1997020445A1 A method for establishing a wireless telecommunication connection |
| 06/05/1997 | WO1997020441A1 Cellular telephone system having prioritized greetings |
| 06/05/1997 | WO1997020439A1 Telecommunications switch having a universal applications program interface for stantardized interactive call processing communications |
| 06/05/1997 | WO1997020436A2 Testing method and apparatus for verifying correct connection of circuit elements |
| 06/05/1997 | WO1997020425A1 Method and apparatus for screening calls in telephone networks |
| 06/05/1997 | WO1997020424A1 Call notification feature for a telephone line connected to the internet |
| 06/05/1997 | WO1997020423A1 A system and method for automatically screening and directing incoming calls |
| 06/05/1997 | WO1997020422A1 System and method for telephony service card processing |
| 06/05/1997 | WO1997020421A1 Intelligent call holding |
| 06/05/1997 | WO1997020412A1 Improving the modifiability of a data system |
| 06/05/1997 | WO1997020223A1 Device for carrying out measurements on communication lines |
| 06/05/1997 | WO1997014242A3 Method for optimizing the use of urban telephone lines |
| 06/05/1997 | WO1997012469A3 System for incremental redistribution of telephony applications computing workload |
| 06/05/1997 | CA2239302A1 System and method for telephony service card processing |
| 06/05/1997 | CA2238381A1 A method for establishing a wireless telecommunication connection |
| 06/04/1997 | EP0777372A1 Device and method for cleaning telephone number list |
| 06/04/1997 | EP0777343A2 Synchronization of wireless base stations by a service circuit in a telecommunication switching system |
| 06/04/1997 | EP0777298A2 Telecommunications connectors |
| 06/04/1997 | EP0776587A1 Communication system and call establishment methods |
| 06/04/1997 | EP0776578A1 Radiotelephone switching system and method of providing radiotelephone services |
| 06/04/1997 | EP0776567A1 Analysis of audio quality |
| 06/04/1997 | EP0776566A1 Test method |
| 06/04/1997 | EP0776565A1 Improved communications marketing system |
| 06/04/1997 | EP0776503A1 Method and arrangement for storing information produced by a switching exchange system on tape |
| 06/04/1997 | EP0634081B1 Method of signalling subscriber numbers in a telecommunications network |
| 06/04/1997 | CN1151235A Call setup and service invocation in telecommunications networks |
| 06/04/1997 | CN1151232A System for providing special services in telecommunication networks |
| 06/04/1997 | CN1151097A Automatic transferring system and method for exchange |
| 06/03/1997 | US5636273 Integrated ring detection circuit and power cross detection circuit with persistence timers |
| 06/03/1997 | US5636269 Intelligent call waiting |
| 06/03/1997 | US5636268 Communication system with queues |
| 06/03/1997 | US5636262 Interface scanning circuit |
| 06/03/1997 | US5636260 Telecommunication customer interface |
| 06/03/1997 | US5636222 For an asynchronous transfer mode cell |
| 06/03/1997 | US5636218 Gateway system that relays data via a PBX to a computer connected to a pots and a computer connected to an extension telephone and a lanand a method for controlling same |
| 06/03/1997 | US5636209 Modem to support multiple site call conferenced data communications |
| 06/03/1997 | US5636203 Method and system for identifying fault locations in a communications network |
| 06/03/1997 | US5635914 Method and apparatus for dynamic group calling in a selective call system |
| 06/02/1997 | CA2543179A1 System for identifying a broadcast utilizing a network address |
| 05/29/1997 | WO1997019566A2 Crossbar/hub arrangement for multimedia network |
| 05/29/1997 | WO1997019548A1 Reverse call origination via a non-signaling network |
| 05/29/1997 | WO1997019546A1 Automatic generation of speed dialing repertory in telecommunications networks |
| 05/29/1997 | WO1997019545A1 Automatic vocabulary generation for telecommunications network-based voice-dialing |
| 05/29/1997 | WO1997019544A1 Fault management system for a telecommunications network |
| 05/29/1997 | WO1997019543A1 Electronic patching system for telecommunications devices |
| 05/29/1997 | WO1997019532A1 Method for avoiding interference in a cable telephony system |
| 05/29/1997 | WO1997019519A2 Telecommunications system |
| 05/29/1997 | WO1997013329A3 Methods and apparatus for automating contact closure |
| 05/29/1997 | CA2235816A1 Reverse call origination via a non-signaling network |
| 05/28/1997 | EP0776137A2 Communication system with telephone terminals with automatic attenuation compensation |
| 05/28/1997 | EP0776107A2 Multimedia coordination system |
| 05/28/1997 | EP0775429A1 Method and circuit arrangement for producing telecommunication connections |
| 05/28/1997 | EP0775426A2 Method for transfer of data files from a mass storage device to a post-processing system |
| 05/28/1997 | CN1150880A Distributed connection control in telecommunication networks |
| 05/28/1997 | CN1150874A Network element in telecommunication network |
| 05/28/1997 | CN1150728A Method of providing call charge information as well as service control facility, subscriber terminal exchange, terminal, and communication network |
| 05/27/1997 | US5634080 Hand-held portable computer having an electroluminescent flat-panel display with pixel elements at right angles to the plane of the display and an excitation direction parallel to the plane of the display |
| 05/27/1997 | US5634008 Method and system for threshold occurrence detection in a communications network |
| 05/27/1997 | US5633924 Telecommunication network with integrated network-wide automatic call distribution |
| 05/27/1997 | US5633923 Automatic call distribution system with display data storage compression system and method |
| 05/27/1997 | US5633921 Providing special services to a caller configured as a virtual called party |
| 05/27/1997 | US5633920 Smart phone |
| 05/27/1997 | US5633919 Real-time billing system for a call processing system |
| 05/27/1997 | US5633916 Universal messaging service using single voice grade telephone line within a client/server architecture |
| 05/27/1997 | US5633913 Method for establishing connection between communication devices |
| 05/27/1997 | US5633910 Outpatient monitoring system |
| 05/27/1997 | US5633909 Apparatus and method for generating calls and testing telephone equipment |
| 05/27/1997 | US5633862 DTMF signal transmission method in single frequency simultaneous transmitting and receiving system and single frequency simultaneous transmitting and receiving system transceiver capable of transmitting DTMF signal |
| 05/27/1997 | CA2089195C Facsimile message processing and routing system |
| 05/23/1997 | CA2187007A1 Payphone initiated voice message capture |
| 05/22/1997 | WO1997018678A2 Network designer for communication networks |
| 05/22/1997 | WO1997018662A1 System and method for providing a remote user with a virtual presence to an office |
| 05/22/1997 | WO1997018661A1 Intelligent information routing system and method |
| 05/21/1997 | EP0774875A2 Hierarchical switch support of services for subscribers based on organizational membership |
| 05/21/1997 | EP0774874A2 Control of call features provided to a subscriber by a hierarchical telecommunication switch |
| 05/21/1997 | EP0774873A2 A system for providing prioritized connections in a public switched network |
| 05/21/1997 | EP0774854A2 Information server for a telephone exchange |
| 05/21/1997 | EP0774853A2 Method and system for graphically displaying and navigating through an interactive voice response menu |
| 05/21/1997 | EP0774197A1 Switching in a telecommunications service node |
| 05/21/1997 | EP0774196A1 Service node for a telephony network |
| 05/21/1997 | EP0774191A1 Intelligent communications networks |
| 05/21/1997 | EP0774190A1 Intelligent communications networks |
| 05/21/1997 | EP0774189A1 Method and apparatus for securing data communication |
| 05/21/1997 | EP0774184A1 An improved network architecture to support multiple site real-time video games |
| 05/21/1997 | EP0632937B1 DC/AC Power supply |
| 05/21/1997 | CN1150514A Access network |
| 05/21/1997 | CN1150375A Method of controlling exchange, and exchange and communications system |
| 05/21/1997 | CN1150359A Multimedia distribution network including video switch |
| 05/20/1997 | US5632014 Method and arrangement for testing services in a telecommunications system |
| 05/20/1997 | US5632002 Speech recognition interface system suitable for window systems and speech mail systems |