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)
06/1998
06/18/1998WO1998010550A3 Improvements in, or relating to, multi-carrier transmission systems
06/18/1998WO1998009424A3 Process for including functions of an automatic call distributor system in an interactive voice response system
06/18/1998WO1997047123A3 Call transfer operation
06/18/1998CA2274802A1 Voice path testing in telecommunications systems
06/18/1998CA2274576A1 Communications system and method for testing of a communications apparatus
06/18/1998CA2274573A1 Communications system and method for testing of a communications apparatus
06/18/1998CA2274559A1 An operational test device and method of performing an operational test for a system under test
06/18/1998CA2274525A1 Method and device for detecting a ringtrip
06/18/1998CA2273957A1 Ring-trip circuit
06/18/1998CA2225116A1 A method and a system for providing service to telecommunication subscribers at low traffic intensity
06/17/1998EP0848562A2 Method and system for disconnecting a wireless telephone call
06/17/1998EP0848535A2 A telephone line interface
06/17/1998EP0848533A2 Personal computer interactive phone (PCIP) system with audio caller ID announcing capability
06/17/1998EP0848530A2 Speech recognition function
06/17/1998EP0848529A2 Method for selecting and executing free programmable functions of a telephone set and corresponding telephone set
06/17/1998EP0848528A2 System and method for providing a user-selectable interface for a touch screen telephone
06/17/1998EP0848373A2 A sytem for interactive communication
06/17/1998EP0847646A1 Method of optimizing access trunk configurations and system therefor
06/17/1998EP0847644A1 Telephone conferencing circuit and method
06/17/1998EP0847560A1 Service independent electronic document server
06/17/1998EP0847556A1 System for accessing and delivering on-line/information services
06/17/1998EP0502977B1 Satellite based simulcast paging system
06/17/1998CN1185268A Method and system for setting up speech connection in different networks
06/17/1998CN1185260A Resource availability in intelligent telecommunications networks
06/17/1998CN1185253A Logging recorder system for trunking radio
06/17/1998CN1185071A Multimedia conferencing using parallel networks
06/17/1998CN1038803C Central control telecommunication equipment
06/16/1998US5768688 Radio port testing method and mobile communication system
06/16/1998US5768513 Multimedia messaging using the internet
06/16/1998US5768368 Ringing voltage generator functioning to provide a ringing voltage
06/16/1998US5768367 Method and apparatus for removing FSK in-band signaling
06/16/1998US5768366 High voltage message waiting circuit
06/16/1998US5768360 Subscriber call routing processing system
06/16/1998US5768359 Telephone call notification feature
06/16/1998US5768358 Method and apparatus for routing a call to a number corresponding to a virtual public dial plan or to an existing dial plan
06/16/1998US5768356 User programmable personal call manager
06/16/1998US5768355 Three-way call detection system
06/16/1998US5768354 Fraud evaluation and reporting system and method thereof
06/16/1998US5768353 Data processing system for communications network
06/16/1998US5768352 Generalized statistics engine for telephone network
06/16/1998US5768348 Anonymous interactive telephone system
06/16/1998US5768347 Method of providing limited access to preserve privacy within a message system
06/16/1998US5768346 Method for processing environment-dependent access numbers of voice mail boxes, and a system for voice mail having environment-dependent access numbers
06/16/1998US5768342 Telephone system loop current detector
06/16/1998US5768341 Communications channel testing arrangement
06/16/1998US5768308 Signal processor
06/16/1998US5768284 Method for detecting recording errors in a telephone network
06/16/1998US5768263 Method for talk/listen determination and multipoint conferencing system using such method
06/16/1998US5768262 Methods for performing intelligent network services with an ISDN network terminator located at a subscriber's premise
06/16/1998US5767895 CATV telephone system
06/16/1998US5767825 Abridgment of text-based display information
06/16/1998CA2224744A1 Message status display
06/16/1998CA2134484C Replaying of messages between hearing impaired callers using keyboards and other callers
06/16/1998CA2134254C Arrangement for preventing perpetration of toll fraud through an adjunct processor
06/16/1998CA2119086C Help desk improvement
06/16/1998CA2117256C Conference call participation tracking
06/16/1998CA2115875C Calling number identification using speech recognition
06/16/1998CA2095568C Personal communication service with mobility manager
06/16/1998CA2085415C Amplifier biasing circuit
06/16/1998CA2017974C Dynamic graphical analysis of network data
06/13/1998CA2221542A1 Method of setting and performing freely programmable functions of a telecommunications terminal, and such a telecommunications terminal
06/12/1998CA2222410A1 System for broadcasting messages from a mobile radiocommunication terminal
06/11/1998WO1998025430A1 Call set-up in mobile communications system
06/11/1998WO1998025419A1 Routing method
06/11/1998WO1998025418A2 Network call center
06/11/1998WO1998025417A2 Internet network call center
06/11/1998WO1998025397A1 Telecommunication device and a method for providing ringing information
06/11/1998WO1998025395A1 Local time manager
06/11/1998WO1998025394A1 Intelligent call redirection
06/11/1998WO1998025393A2 Method and apparatus for locating a desired record in a telephone directory
06/11/1998WO1998025392A2 Call center services for local calls using local number portability
06/11/1998WO1998025391A1 Distinctive ringing and distinctive call-waiting tones in an isdn
06/11/1998WO1998025390A2 Network operator controlled usage of long distance carriers
06/11/1998WO1998025387A2 Call center integration with operator services databases
06/11/1998WO1998025386A2 System connecting remote agents over standard telephone lines
06/11/1998WO1998025379A2 A method and apparatus for improved communication for cable tv telephony and data transport
06/11/1998WO1998025360A1 System and method for the non-sequential transmission of control signals within a speech transmission
06/11/1998WO1998013989A3 Device for indirect transmission of information on computer and/or telecommunication networks
06/11/1998CA2273361A1 System and method for the non-sequential transmission of control signals within a speech transmission
06/11/1998CA2242091A1 Network call center
06/10/1998EP0847221A2 An ATM network controller
06/10/1998EP0847179A2 System and method for voiced interface with hyperlinked information
06/10/1998EP0847178A2 Multimedia conferencing using parallel networks
06/10/1998EP0847177A2 Method of allocating a temporary auxiliary telephone number
06/10/1998EP0847176A2 User invocation of services in public switched telephone network via parallel data networks
06/10/1998EP0847175A1 Forced inter-switch call routing
06/10/1998EP0847174A2 Method and apparatus for data network call processing
06/10/1998EP0847003A2 An audio memo system and method of operation thereof
06/10/1998EP0846400A1 Methods for processing an outgoing and an incoming call in a mobile communications system
06/10/1998EP0846399A1 Communication system and service controller for call handling
06/10/1998EP0846395A1 Method and apparatus for recording and indexing an audio and multimedia conference
06/10/1998EP0846302A1 Method and apparatus for executing a human-machine dialogue in the form of two-sided speech for executing a machine-controlled dialogue for appointment reservation
06/10/1998EP0729684A4 Method and circuitry for controlling voice mail, call logging and call blocking functions using a modem
06/10/1998EP0630539B1 Network management system
06/10/1998DE19647627A1 Verfahren und Mobil-Kommunikationssystem zum Routen von Anrufverbindungen Method and mobile communication system for routing of call connections
06/10/1998CN1184577A Data conferencing between remotely located participants
06/10/1998CN1184399A Dynamic overload control device and method in digital mobile communication system
06/10/1998CN1184391A Method for realizing X.25 protocol in electronic exchange
06/10/1998CN1184388A User invocation of services in public switched telephone network via parallel data networks
06/09/1998US5765172 System and method for verifying integrity of replicated databases
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