Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881) |
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04/22/1999 | WO1998054884A9 Telephone system integrated text based communication processes, apparatus and systems |
04/22/1999 | DE19753854C1 Communications terminal with T-network functions |
04/22/1999 | DE19741770C1 Communication system for communication between accessory unit and appropriate terminal equipment, comprises switching center which has echo control unit and accessory unit having mechanisms for producing echo messages |
04/22/1999 | CA2305154A1 Network monitoring method for telecommunications network |
04/22/1999 | CA2303840A1 System and method for integrating voice on network with traditional telephony |
04/21/1999 | EP0910223A2 Mobile radio terminal with SMS function for transmitting short message and method for controlling the same |
04/21/1999 | EP0910201A2 Device and method for establishing a voice connection |
04/21/1999 | EP0910199A2 Call back method |
04/21/1999 | EP0910198A2 Mobility management system |
04/21/1999 | EP0909525A1 Atm telecommunications systems and method for routing narrow band traffic |
04/21/1999 | EP0909519A2 Variable burst remote access application messaging method and apparatus |
04/21/1999 | EP0909505A1 Method in telecommunication operating service |
04/21/1999 | EP0909504A2 Telephone polling method |
04/21/1999 | EP0909503A1 Call waiting service in a telecommunications network |
04/21/1999 | EP0909502A2 Test detection apparatus and method |
04/21/1999 | EP0909501A1 An arrangement for controlling subscriber interface circuits |
04/21/1999 | EP0909500A2 Telecommunications switch including an integrated internet access server |
04/21/1999 | EP0909498A1 Interactive method and apparatus for the generation of leads |
04/21/1999 | EP0604610B1 Coin/card operated public telephone and its controlling method |
04/21/1999 | CN1214847A Device and method to establish communication |
04/21/1999 | CN1214842A Method and apparatus for providing private communication system in public switched telephone network |
04/21/1999 | CN1214841A Method for controlling intelligent network call |
04/21/1999 | CN1214840A Service creation apparatus for communications network |
04/21/1999 | CN1214836A Telecommunication device and a method for providing ringing information |
04/21/1999 | CN1214835A 话音因特网传输系统 Internet voice transmission system |
04/21/1999 | CN1214834A Smart telecommunications interface |
04/21/1999 | CN1214832A Prioritization of data to be transmitted in router |
04/21/1999 | CN1214829A Method and apparatus for providing multi-party speech connection for use in wireless communication system |
04/20/1999 | US5896569 Wireless access to telephone network dial tone |
04/20/1999 | US5896565 Remote conference calling for wireless systems |
04/20/1999 | US5896535 Method and system for testing computer system software |
04/20/1999 | US5896511 Method and apparatus for providing buffer state flow control at the link level in addition to flow control on a per-connection basis |
04/20/1999 | US5896500 System for call request which results in first and second call handle defining call state consisting of active or hold for its respective AV device |
04/20/1999 | US5896449 Voice enhancement system and method |
04/20/1999 | US5896447 Method for accommodating ported directory numbers affected by call block controls implemented in a telecommunications network |
04/20/1999 | US5896444 Method and apparatus for managing communications between a client and a server in a network |
04/20/1999 | US5896442 Voice announcement technique of an electronic exchange system |
04/20/1999 | US5896441 Communication state management system and method in an intelligent network |
04/20/1999 | US5896440 System and method for providing a unified communications link between divergent communication networks |
04/20/1999 | US5896414 Method and apparatus for providing control channel communications for an information distribution system |
04/20/1999 | US5896370 Signal protection and monitoring system |
04/20/1999 | US5896268 Enclosure for high-density subscriber line modules |
04/20/1999 | US5896048 Method for determining active/stand-by mode for use in a duplicated system |
04/20/1999 | US5895448 Methods and apparatus for generating and using speaker independent garbage models for speaker dependent speech recognition purpose |
04/20/1999 | CA2165704C Telephone message center |
04/20/1999 | CA2159644C System for communicating with an adsi-compatible telephone via a service circuit node |
04/20/1999 | CA2154789C Self-diagnostic system for cellular-transceiver systems |
04/20/1999 | CA2117451C Method for sending and receiving video images |
04/20/1999 | CA2017969C Dynamic graphics arrangement for displaying spatial-time-series data |
04/17/1999 | CA2246745A1 Device and method for establishing a call connection |
04/15/1999 | WO1999018746A1 Method for authenticating subscribers to a digital mobile radio network |
04/15/1999 | WO1999018716A1 Systems and methods for managing messages |
04/15/1999 | WO1999018711A1 Virtual end office in a switched telephone network |
04/15/1999 | WO1999018710A2 Method and device in telecommunications system |
04/15/1999 | WO1999018709A2 Method and device in telecommunications system |
04/15/1999 | WO1999018707A1 Method and apparatus for connecting calls and passing announcements during calls to the a- and b-subscriber |
04/15/1999 | WO1999018706A2 Service interaction in an intelligent network |
04/15/1999 | WO1999018704A2 System and method for providing restrictions on mobile-originated calls |
04/15/1999 | WO1999018695A1 Fault location and performance testing of communication networks |
04/15/1999 | WO1999018687A1 Distributed communications system |
04/15/1999 | WO1999018577A2 A method for recording received sound signals in a telephone |
04/15/1999 | WO1999018515A1 A method and apparatus for translating a static identifier into a dynamically assigned network address |
04/15/1999 | WO1999011049B1 Communications system for a service provider |
04/15/1999 | WO1999004578A3 Least cost routing device |
04/15/1999 | WO1999002000A8 Resource controllers for use in a non-unitary service system |
04/15/1999 | WO1999001977A9 Method for operating a network with interconnected terminals |
04/15/1999 | WO1998039849A3 Echo cancellation system and method for multipoint networks |
04/15/1999 | DE19745305A1 Process for operating interactive services |
04/15/1999 | DE19743561A1 Authenticating of subscribers of digital mobile radio network |
04/15/1999 | DE19740862A1 Information signal transmission over telephone network |
04/15/1999 | CA2305589A1 System and method for providing restrictions on mobile-originated calls |
04/15/1999 | CA2305459A1 Systems and methods for managing messages |
04/15/1999 | CA2305439A1 A method for recording received sound signals in a telephone |
04/14/1999 | EP0909082A1 Using web page hit statistics to anticipate call center traffic |
04/14/1999 | EP0909081A2 Method and apparatus for storing and forwarding voice signals |
04/14/1999 | EP0909080A2 Device and method for remote interrogation of individually stored call numbers |
04/14/1999 | EP0909079A2 Method for providing remote emulation of the functionality of a private exchange |
04/14/1999 | EP0909078A2 Elastic buffer for data storage with speech data |
04/14/1999 | EP0909066A2 Method and device for adjusting the quantization characteristics of a PCM coding |
04/14/1999 | EP0909064A2 Routing control communication system between circuit switched network and internet |
04/14/1999 | EP0909050A2 Multiple connection method and device for subscriber access network |
04/14/1999 | EP0908074A1 Telecommunications networks |
04/14/1999 | EP0908065A1 Telephone system having land-line supported private base station switchable into cellular network |
04/14/1999 | EP0908048A1 Echo canceller system |
04/14/1999 | EP0908047A1 Methods and apparatus for implementing a network call center |
04/14/1999 | EP0908046A1 Validating a forward-to-number within a mobile telecommunications system |
04/14/1999 | EP0908045A1 Method and apparatus for simulating a central queue for distributing calls in a distributed arrangement of automatic call distributors |
04/14/1999 | EP0908044A1 Telecommunications call centre |
04/14/1999 | EP0908043A2 Improvements in or relating to call handling |
04/14/1999 | EP0907920A1 Pcs with enhanced short-message service option |
04/14/1999 | EP0744087A4 Smart phone |
04/14/1999 | EP0537153B1 Routing of network traffic using discrete traffic measurement data |
04/14/1999 | CN1214180A Alternative routing system for mobile telephone calls |
04/14/1999 | CN1214177A Method for transmission of information from information source to information receivers |
04/14/1999 | CN1214170A Personal communications internetworking |
04/14/1999 | CN1214167A Protocol interface gateway |
04/14/1999 | CN1214166A Unix open systems interconnection layer testing |
04/14/1999 | CN1214165A Method and arrangement relating to installation of new subscriber in telecommunications network |
04/14/1999 | CN1213937A Call connection control method in exchange |
04/14/1999 | CN1213923A Apparatus and methods for user identification to deny access or service to unauthorized users |