H04M 3 - Automatic or semi-automatic exchanges

Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
11/1994
11/01/1994	US5361259 Wide area network (WAN)-arrangement
11/01/1994	US5361062 Personal security system
10/1994
10/27/1994	WO1994024807A1 Multimedia communications network
10/27/1994	WO1994024806A1 A method to produce and transmit information
10/27/1994	WO1994024803A1 Multimedia telecommunications network and service
10/27/1994	WO1994024802A1 System for communicating with an adsi-compatible telephone via a service circuit node
10/27/1994	WO1994024629A1 System for computer supported collaboration
10/26/1994	EP0621734A2 Method and apparatus for monitoring telecommunication networks
10/26/1994	EP0621715A1 Greeting and schedule integration arrangement
10/26/1994	EP0621714A2 Information services platform
10/26/1994	EP0621553A2 Methods and apparatus for inferring orientation of lines of text
10/26/1994	EP0621532A1 Password verification system
10/26/1994	CN2181146Y Overcurrent protecter for telephone program control exchanger
10/25/1994	US5359657 Telephone line overvoltage protection apparatus
10/25/1994	US5359649 Congestion tuning of telecommunications networks
10/25/1994	US5359646 Testing of distributed communications networks
10/25/1994	US5359645 Voice-data telephonic interface control system
10/25/1994	US5359598 Voice server for digital communication network
10/25/1994	CA2051232C Text mail system using isdn and isdn communication terminal device for use therein
10/25/1994	CA2011133C Packet communication system and method of controlling same
10/20/1994	DE4311910A1 Device for testing telecommunications equipment
10/19/1994	EP0620693A2 Telecommunications switch control
10/19/1994	EP0620669A1 Interactive call-handling
10/19/1994	EP0619913A1 Voice controlled messaging system and processing method
10/19/1994	EP0602067A4 Transparent inband signaling.
10/19/1994	EP0567634A4 Security systems based on recording unique identifier for subsequent playback.
10/18/1994	US5357569 Trans-hybrid loss compensator for on hook transmission
10/18/1994	US5357568 Telephone line overvoltage protection method and apparatus
10/18/1994	US5357564 Intelligent call screening in a virtual communications network
10/18/1994	US5357562 Automated facsimile/voice memory managing system
10/18/1994	US5357558 Radio communication apparatus for ISDN
10/18/1994	US5357556 System and method for telephone network testing
10/18/1994	US5357511 Distributed processing in a digital audio mixing network
10/18/1994	CA2058106C Method of recovering speech path of pre-engaged call on restarting keyphone exchange system
10/18/1994	CA2024881C Switchless automatic call distribution system
10/18/1994	CA2014864C Training method for an echo canceller for use in a voice conference system
10/14/1994	CA2121102A1 Telephone advertising method and apparatus
10/13/1994	WO1994023546A1 Cabinet and position allocation
10/13/1994	WO1994023543A1 Method of controlling a telecommunications network
10/13/1994	WO1994023537A1 Method and system for accessing multimedia data over public switched telephone network
10/13/1994	WO1994023530A1 Data processing system for communications network
10/13/1994	WO1994023529A1 Data correction system for communications network
10/13/1994	WO1994023528A1 Fraud preventing method for a communication network
10/13/1994	WO1994023526A1 Automatic routing of incoming telephone calls to a plurality of receiving devices based on caller identification
10/13/1994	WO1994023525A1 A group call method, a system controller and a subscriber station in a radio system
10/13/1994	WO1994023524A1 Telephone installation
10/13/1994	WO1994023523A1 Method and system for controlling the operation of a telephone exchange from a subscriber connection
10/13/1994	WO1994023508A1 A home and small business phone system for operation on a single internal twisted pair line
10/13/1994	WO1994023383A1 Interactive computer system with self-publishing catalogue, advertiser notification, coupon processing and inbound polling
10/13/1994	CA2136963A1 Cabinet and position allocation
10/12/1994	EP0619679A1 Multi-location control apparatus, television conference terminal unit, and multi-location television conference system
10/12/1994	EP0619668A2 Calling number identification using speech recognition
10/12/1994	EP0254743B1 Pay-per-view catv system
10/12/1994	CN2179671Y Automatic telephone resetting device
10/12/1994	CN1093512A Caller directed routing of a telephone call based on a dialed suffix
10/11/1994	US5355406 Integrated application controlled call processing and messaging system
10/11/1994	US5355405 Arrangement for dynamically identifying the assignment of a subscriber telephone loop connection at a serving terminal
10/11/1994	US5355403 Method of providing an automated operator service to bridge a call
10/11/1994	CA2006524C Conference speech-channel forming method based on private branch exchange and its conference telephone system
10/11/1994	CA1332459C Digital private branch exchange and method of manufacturing same
10/05/1994	EP0618713A2 Real-time fraud monitoring system in a telecommunication network
10/05/1994	EP0618712A2 Method for path testing and/or monitoring within a multiple node telecommunication network
10/05/1994	EP0618552A1 Fraud protection for card transactions
10/05/1994	EP0617873A1 Feature control system utilizing design oriented state table language
10/04/1994	US5353398 Group working system having operator discriminating function
10/04/1994	US5353351 Secure teleconferencing
10/04/1994	US5353336 Voice directed communications system archetecture
10/04/1994	US5353331 Personal communications service using wireline/wireless integration
10/04/1994	US5353327 Maintenance termination unit
10/04/1994	US5353326 Method for performing continuity check in an electronic exchange system
10/04/1994	US5353259 Voice message recovery system and method
10/04/1994	CA2027212C Telephone conferencing arrangement
10/04/1994	CA2022265C Call message delivery system and method utilizing caller-selected system annoucements
10/04/1994	CA2021793C Hands-free telephone
10/04/1994	CA2010481C Voice capture system
09/1994
09/29/1994	WO1994022259A1 Method and system for managing telecommunications such as telephone calls
09/29/1994	WO1994022256A1 Distributed processing in a mixing network
09/29/1994	WO1994022255A1 Self-diagnostic system for cellular-transceiver systems
09/29/1994	WO1994022225A1 Inductively coupled keyboard
09/28/1994	EP0617538A1 Enhanced telephone conferencing equipment
09/28/1994	EP0617537A1 Conferencing arrangement for compressed information signals
09/28/1994	CN1092920A Communications channel testing arrangement
09/27/1994	US5351287 Method and apparatus for data evidence collection
09/27/1994	US5351285 Multiple format telephonic interface control system
09/27/1994	US5351276 Digital/audio interactive communication network
09/27/1994	US5351235 Method for relaying information in an integrated services network
09/27/1994	US5351232 Path monitoring system for cross-connect system
09/27/1994	US5351076 Terminal system having video telephone equipment cooperating with computer system
09/27/1994	CA2053600C Transparent communication of control information through a switching network
09/27/1994	CA2032617C Arrangement for reserving and allocating a plurality of competing demands for an ordered bus communications network
09/24/1994	CA2118552A1 Discrete audio frequency tone detection
09/21/1994	EP0616478A2 Communication access network routing
09/21/1994	EP0616476A2 Method and apparatus for establishing connections in a communication access network
09/21/1994	EP0615662A1 Gel filled electrical connector
09/21/1994	EP0424495B1 Voice messaging for pay phone telephone systems
09/21/1994	CN2178022Y Intelligent computer telephone testing table
09/21/1994	CN1092581A Multi-position code of crossbar switchboard outgoing dentifying and signaling circuit
09/21/1994	CN1092579A Switched circuit connection management over public data networks for wide area networks
09/20/1994	USRE34735 Call waiting arrangement providing options to both a subsequent calling party and to the called party
09/20/1994	US5349636 Interface system and method for interconnecting a voice message system and an interactive voice response system

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