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)
04/2000
04/18/2000US6052437 Subscriber terminal circuit for connecting an analog subscriber line to a digital switching center
04/18/2000US6052367 Client-server system
04/18/2000US6052061 Circuit for switching a protection line between a common section and a channel section
04/18/2000CA2227734C Waiting-call selection based on anticipated wait times
04/18/2000CA2210834C Voice menu optimization method and system
04/18/2000CA2206368C Calling party identification announcement service
04/18/2000CA2203474C Coupling multiple low data rate lines to effect high data rate communication
04/18/2000CA2200790C Coupling multiple low data rate lines to effect high data rate communication
04/18/2000CA2199550C On-demand communications services
04/18/2000CA2187454C Telemetry system
04/18/2000CA2180220C Community emergency telephone notification system
04/18/2000CA2174796C Method for automatic maintenance of a local number portability database
04/13/2000WO2000021318A1 Paging control method and apparatus
04/13/2000WO2000021312A1 System and method for managing computer and phone network resources
04/13/2000WO2000021310A1 Intelligent network services in packet-switched network
04/13/2000WO2000021306A2 Mobile phone system and mobile phone terminal using a plurality of telephone numbers
04/13/2000WO2000021275A1 Keyless portable cellular phone system having remote voice recognition
04/13/2000WO2000021271A1 A method of setting-up a telecommunications connection and a card reader for use in connection with the method
04/13/2000WO2000021268A2 Method and arrangement for complementing a telephone connection with additional information
04/13/2000WO2000021267A2 A method and device for user-to-user information transfer
04/13/2000WO2000021266A2 Method and system for confirming a transaction
04/13/2000WO2000021259A1 Platform for coupling a circuit-switched network to a data network
04/13/2000WO2000021232A2 Conversational browser and conversational systems
04/13/2000WO2000021075A1 System and method for providing network coordinated conversational services
04/13/2000WO2000021073A1 Structure skeletons for efficient voice navigation through generic hierarchical objects
04/13/2000WO2000020962A2 Conversational computing via conversational virtual machine
04/13/2000WO1999063709A3 System and method for pushing information from a host system to a mobile data communication device
04/13/2000DE19948594A1 Automatic extension system, calls up group number of group in which self-selection number is listed to select from memory caller number to be transmitted
04/13/2000DE19937098A1 Intelligent allocation of bandwidth for several independent connections on a digital network involves sending link establishment message from source terminal to digital network exchange
04/13/2000DE19847068A1 Arrangement for permanent telephone call acceptance uses acceptance button bridging pulse period, duty cycle and voltage value selected so there is a permanent connection for call acceptance
04/13/2000CA2347710A1 Keyless portable cellular phone system having remote voice recognition
04/13/2000CA2345662A1 Structure skeletons for efficient voice navigation through generic hierarchical objects
04/13/2000CA2345661A1 Conversational browser and conversational systems
04/13/2000CA2345388A1 Platform for coupling a circuit-switched network to a data network
04/13/2000CA2253022A1 Electronic directory
04/12/2000EP0993227A2 System and method for establishing dynamic high usage trunk groups
04/12/2000EP0993206A2 Generalized arrangement for routing telecommunications calls
04/12/2000EP0993170A1 Method of reporting status changes to a call distributer
04/12/2000EP0993169A2 Etat de réponse pour appel en attente
04/12/2000EP0993168A2 Flash-hook caller ID
04/12/2000EP0993142A1 Safe transmission of broadband data messages
04/12/2000EP0992980A2 Web-based platform for interactive voice response (IVR)
04/12/2000EP0992164A2 Routing short messages
04/12/2000EP0992150A2 Method and communication device for implementing a scheduled-call function in a communication system
04/12/2000EP0992149A1 Porting user number between networks
04/12/2000EP0992127A1 Wireless communication system supporting multiple protocols and extended services
04/12/2000EP0870386B1 Method and microcomputer system for the automatic, secure and direct transmission of data
04/12/2000EP0546151B1 Application modularity in telecommunications exchanges
04/12/2000CN1250576A System for processing service data in telecommunications system
04/12/2000CN1250569A Telephone line monitoring device
04/12/2000CN1250564A User registration in a telecommunication network
04/12/2000CN1250534A Distributed service network
04/12/2000CN1250327A Connection among moving tables with different code rules
04/12/2000CN1250322A Multiple-direction and multiple communication system using for comprehensive basiness digital network service
04/12/2000CN1250303A Shared asymmetric digital subscriber line modulator-demodulator unit
04/12/2000CN1250302A Method for solving problem of continuous music in telecommunication meeting
04/12/2000CN1250296A Method for assigning wireless application agreement service device address for radio communication terminal
04/12/2000CN1250285A Transmission electrical level control method and transmitter-receiver set in radio local loop system
04/12/2000CN1250276A Method for relaxing long-end interference of long-near different distances
04/12/2000CN1250263A Continuity and integrity method of automatic monitoring communication trunk line
04/12/2000CN1250256A Destination relative code using for discreting multitone modulation
04/12/2000CN1250188A Method for amending business data storing in service device, service device and terminal
04/12/2000CN1051419C Switch queuing system with snap circuit character
04/11/2000US6049796 Personal digital assistant with real time search capability
04/11/2000US6049719 Communication system with automatic call diversion or forwarding
04/11/2000US6049712 Arrangement system and method relating to telecommunications access and control
04/11/2000US6049710 Wireless prepaid telephone system with dispensable instruments
04/11/2000US6049603 Method for eliminating telephone hold time
04/11/2000US6049602 Virtual call center
04/11/2000US6049601 Method of and apparatus for establishing call forwarding service for subscriber's telephone terminal in switching system with verification function
04/11/2000US6049596 Individualized system for exchanging data between a terminal and access means via a telephone network, and terminal, and access means
04/11/2000US6049594 Automatic vocabulary generation for telecommunications network-based voice-dialing
04/11/2000US6049592 System for and method of mutually monitoring information guidance units interconnected to telephone lines
04/11/2000US6049591 Grievance call processing system
04/11/2000US6049590 Telecommunications switch configuration
04/11/2000US6049553 Method for transmitting information signals in a subscriber terminal network
04/11/2000US6049547 Lookahead interflow of traffic among a plurality of serving sites of one customer
04/11/2000US6049523 System and method for achieving efficient coordination of protection switching
04/11/2000CA2227658C Call routing based on prior telephone calls
04/11/2000CA2196553C Analysis of audio quality
04/06/2000WO2000019759A1 Call forwarding in a telecommunications network
04/06/2000WO2000019743A1 Mobile telephone location-based directory system
04/06/2000WO2000019739A1 Signalling in a telecommunications system
04/06/2000WO2000019736A1 Operating system for telecommunications
04/06/2000WO2000019735A1 Telecommunication services
04/06/2000WO2000019702A2 Prepaid services in a communications system
04/06/2000WO2000019701A1 Three tier client/server model for legacy switches
04/06/2000WO2000019699A1 Superposition of data over voice
04/06/2000WO2000019697A1 A method of sending and forwarding e-mail messages to a telephone
04/06/2000WO2000019693A1 Method and system of teleconferencing
04/06/2000WO2000019692A1 Multiple node messaging system wherein nodes have shared access to message stores of other nodes
04/06/2000WO2000019691A1 System and method for conducting an auction over a communications network
04/06/2000WO2000019690A1 Method for testing subscriber lines
04/06/2000WO2000019677A2 Connection manager for telecommunications
04/06/2000WO2000019670A1 Active channel virtual office
04/06/2000WO2000019663A1 Method and system for negotiating telecommunication resources
04/06/2000WO2000019408A1 Voice command navigation of electronic mail reader
04/06/2000WO2000019344A2 Method and system of interlinking
04/06/2000WO2000004671A9 Method and apparatus for identifying and tracking connections of communication lines
04/06/2000WO2000003535A9 System and method for forwarding call from disconnected telephone number to new telephone number
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