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)
10/1997
10/16/1997CA2250885A1 System and method of co-ordinating communications for telecommuters
10/16/1997CA2250862A1 Assigning channels of different capacities in a hybrid isdn-dect telecommunications system
10/16/1997CA2250838A1 Control of the change of telecommunications channels in a dect-specific rll/wll partial system bound to an isdn-system
10/16/1997CA2250120A1 Method and apparatus for routing internet calls
10/15/1997EP0801513A1 Cellular system architectures supporting data services
10/15/1997EP0801479A1 Data network security system and method
10/15/1997EP0800749A1 System and method relating to cellular communications
10/15/1997EP0800742A1 Smart phone integration with computer systems
10/15/1997EP0800738A1 Method and apparatus for measuring loads in a common channel signalling link
10/15/1997EP0800698A2 Voice-operated services
10/15/1997EP0689737A4 Inductively coupled keyboard
10/15/1997CN1162209A Overvoltage cut-off circuit with special switchboard branch line direct through communication line
10/15/1997CN1036171C Method and device for monitoring and managing non-voice business in telephone network
10/14/1997US5678195 Method of informing a subscriber in a radio telephone system of facilities activated for the subscriber station
10/14/1997US5677941 For testing the unit in a telecommunications system
10/14/1997US5677820 Telephone and communications line overvoltage protection apparatus
10/14/1997US5677683 Method and device for transferring messages in connectionless communication
10/14/1997US5677681 Code transmission system and portable pager in radio paging system
10/14/1997CA2140679C Ringing circuit for use in portable telephone set
10/14/1997CA2100427C Graphical user interface workstation
10/14/1997CA2100138C Private branch exchange networks
10/14/1997CA2078802C Long distance telephone switching system with enhanced subscriber services
10/09/1997WO1997037510A1 Device and method to establish communication
10/09/1997WO1997037502A1 Short code dialling
10/09/1997WO1997037501A1 Telecommunications service delivery
10/09/1997WO1997037500A1 Telecommunications routing based on format of message
10/09/1997WO1997037499A1 Call routing
10/09/1997WO1997037498A1 Peripheral control in an intelligent network
10/09/1997WO1997037487A1 Fraud prevention in a telecommunications network
10/09/1997WO1997037486A1 Fraud monitoring in a telecommunications network
10/09/1997WO1997037484A1 Multimedia document conferencing system
10/09/1997WO1997037483A1 Internet on hold
10/09/1997WO1997037482A1 Method and apparatus for off-hook detection
10/09/1997WO1997037481A1 Apparatus and method for reducing speech recognition vocabulary perplexity and dynamically selecting acoustic models
10/09/1997WO1997037479A2 Unix open systems interconnection layer testing
10/09/1997WO1997037478A2 Protocol interface gateway
10/09/1997WO1997037474A1 Process for supplying data via a digital data network
10/09/1997WO1997037473A1 A process for checking the access entitlement of an operator in access via a connection oriented data network
10/09/1997WO1997037472A1 Process for supplying data via a broad-band medium
10/09/1997WO1997037466A1 Speech transmission in a packet network
10/09/1997WO1997037234A1 Constructive module of an electronic telecommunications equipment, with an interface towards a testing and diagnosing system
10/09/1997WO1997024863A3 Method and system for automated collect call messaging
10/09/1997WO1997024860A3 System and method for international callback
10/09/1997CA2248857A1 Device and method to establish communication
10/09/1997CA2248101A1 Telecommunications service delivery
10/09/1997CA2221702A1 Multimedia document conferencing system
10/08/1997EP0800328A2 A packet format interface for telecommunication instruments
10/08/1997EP0800327A2 A customer telecommunication interface device having a unique identifier
10/08/1997EP0800325A2 A customer telecommunications interface device with built-in network features
10/08/1997EP0800320A2 Dealer-locator service and apparatus for a mobile telecommunications system
10/08/1997EP0800305A2 Method for controlling a telephone exchange
10/08/1997EP0800304A2 On-line training of an automated-dialing directory
10/08/1997EP0799554A1 System for tdma mobile-to-mobile vselp codec bypass
10/08/1997EP0799553A1 Unstructured supplementary service data from a home location register to an external node
10/08/1997EP0799544A1 Arrangement for call forwarding in a mobile services switching center
10/08/1997EP0799543A2 Unified messaging and long distance communication system
10/08/1997EP0649582A4 Margin test apparatus for integrated services digital networks.
10/08/1997CN1161770A Network management system for communication networks
10/07/1997US5675704 Speaker verification with cohort normalized scoring
10/07/1997US5675643 Line card that provides remote line activation and soft dialtone
10/07/1997US5675639 Voice/noise discriminator
10/07/1997US5675638 Communications device entry method and apparatus
10/07/1997US5675637 Method for automatically obtaining and presenting data from multiple data sources
10/07/1997US5675635 Telecommunications system
10/07/1997US5675634 Announcement apparatus for switching system
10/07/1997US5675632 Telephone exchange network using telephone exchanges with speech recognition
10/07/1997US5675631 Methods for providing enhanced addressing capability in voice messaging system networks
10/07/1997US5675588 Testing apparatus for transmission system
10/07/1997US5675583 Variable communication bandwidth for conference call initiation
10/07/1997US5675574 System and method for controlling interface between PBX and ATM multiplexing transmitter
10/07/1997US5675511 Apparatus and method for event tagging for multiple audio, video, and data streams
10/07/1997US5675507 Message storage and delivery system
10/07/1997US5675271 For a subscriber line audio processing circuit
10/07/1997US5674003 Mechanisms for accessing unique features of telephony networks from a protocol-Independent data transport interface
10/02/1997WO1997036435A1 Methods and apparatus for communicating data via a cellular mobile radiotelephone system
10/02/1997WO1997036432A1 Telecommunications network with store for data associated with an area code
10/02/1997WO1997036431A1 Method for controlling an intelligent network call
10/02/1997WO1997036415A1 Telephone conferencing systems
10/02/1997WO1997036414A1 Call queuing and distribution
10/02/1997WO1997036413A1 Remote telephony testing device
10/02/1997WO1997036411A2 Smart telecommunications interface
10/02/1997WO1997036405A1 Prioritization of data to be transmitted in a router
10/02/1997WO1997036397A1 Method and apparatus for providing a multi-party speech connection for use in a wireless communication system
10/02/1997WO1997036390A1 Block spectrum receiver for a broadband communications system
10/02/1997WO1997036221A1 Method and system for providing password protection
10/02/1997DE19612665A1 Verfahren zum Liefern von Daten über ein Breitbandmedium A method for supplying data via a broadband medium
10/02/1997DE19612663A1 Verfahren zum Liefern von Daten über ein digitales Datennetz A method for supplying data via a digital data network
10/02/1997DE19612662A1 Verfahren zum Überprüfen der Zugriffsberechtigung einer Bedienungsperson bei einem Zugriff über ein verbindungsorientiertes Datennetz Method for checking the access authorization of an operator for access via a connection-oriented data network
10/02/1997CA2250100A1 Method and system for providing password protection
10/02/1997CA2249414A1 Method for controlling an intelligent network call
10/02/1997CA2248089A1 Telecommunications network with store for data associated with an area code
10/01/1997EP0798941A2 Method for modeling a network
10/01/1997EP0798912A2 Method and apparatus for applying multiple speech processing features to a telephone call
10/01/1997EP0798911A2 Flash-cut of speech processing features in a telephone call
10/01/1997EP0798910A1 Overvoltage protection for telephone line interface
10/01/1997EP0798899A1 Method for the notification of items present in a server
10/01/1997EP0798896A2 ATM exchanger
10/01/1997EP0797900A2 Flow control method for short message service-busy subscriber
10/01/1997EP0797889A1 A method and apparatus for testing lines in a telecommunications network
10/01/1997EP0797888A2 A method for expanding a supporting system
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