Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
02/1999
02/16/1999US5872841 Apparatus and method for scheduling a telephone call
02/16/1999US5872840 Enhancement do not disturb subscriber feature within a telecommunications network
02/16/1999US5872839 Office line selecting technique of a telephone switching system
02/16/1999US5872837 System and method for transmitting data and commands using a telephone
02/16/1999US5872836 Host computer digital signal processing system for communicating over voice-grade telephone channels
02/16/1999US5872833 Telephone transaction processing as a part of a call transport
02/16/1999US5872779 Communication system
02/16/1999US5872769 For use in a communications network
02/16/1999CA2158063C Fraud preventing method for a communication network
02/16/1999CA2102996C Automatic call distributor with a programmable data window display system and method
02/16/1999CA2102865C Internode routing for a telephone system
02/16/1999CA2079010C Data transfer system including exchange
02/12/1999CA2209838A1 Process allowing internet users to continue receiving telephone calls while using their telephone line to connect their computer to the internet
02/11/1999WO1999007166A2 Mobile telephone call screening
02/11/1999WO1999007133A1 Time-matched voice messaging system
02/11/1999WO1999007132A1 Generation of voice messages
02/11/1999WO1999007131A1 Transceiver for various information formats
02/11/1999WO1999007130A1 Method for processing and/or querying line-relevant data of a subscriber line
02/11/1999WO1999007129A1 Fault location in the access network
02/11/1999WO1999007127A2 Line card shelf
02/11/1999WO1999006915A1 Processing and forwarding messages from a computer network to a forwarding service
02/11/1999WO1998052312A3 Method and apparatus for superframe bit allocation in a discrete multitone (dmt) system
02/11/1999WO1998051061A3 Method and device for network-wide connection analysis on a telecommunication network
02/11/1999WO1998048574A3 Intercepting call communications within an intelligent network
02/11/1999DE19833218A1 Telephone game system, especially for digital networks
02/11/1999DE19734515A1 Verfahren zur Einrichtung und/oder Bearbeitung eines Dienstes eines intelligenten Netzes Method for creating and / or editing a service of an intelligent network
02/11/1999DE19734436A1 Verfahren und Vorrichtung zum Austauschen von Information zwischen Teilnehmerstationen eines Telefonkommunikationsnetzes Method and apparatus for exchanging information between subscriber stations of a telephone communication network
02/11/1999DE19734276A1 Electronic data transmission method especially for GSM network
02/11/1999CA2377838A1 System and method for automatic provision, customer selection, and deactivation of temporary advanced intelligent network services
02/11/1999CA2267336A1 Transceiver for various information formats
02/11/1999CA2244806A1 Method and apparatus for predicting queuing delays
02/11/1999CA2241496A1 Conference call reminder method and apparatus
02/10/1999EP0896459A2 Apparatus and method for called-party telephone messaging while interconnected to a data network
02/10/1999EP0895699A1 Validation of a forward-to-number by a mobile station
02/10/1999EP0895687A1 System for managing subscriber related services within a telecommunications network
02/10/1999CN1207862A Crossbar/hub arrangement for multimedia network
02/10/1999CN1207847A System platform for communication system
02/10/1999CN1207642A Wireless butt set
02/09/1999US5870549 Systems and methods for storing, delivering, and managing messages
02/09/1999US5870538 Switch fabric controller comparator system and method
02/09/1999US5870466 T1 channel bank control process and apparatus
02/09/1999US5870465 Telephony adapter system for providing a user with a virtual presence to an office
02/09/1999US5870464 Intelligent information routing system and method
02/09/1999US5870463 Answering telephone using three-party call service
02/09/1999US5870462 Method and system for controlling the operation of a telephone exchange from a subscriber connection
02/09/1999US5870461 For use with a business telephone system
02/09/1999US5870455 In a telephone network
02/09/1999US5870454 Telecommunications speech/text conversion and message delivery system
02/09/1999US5870452 System and method for controlling message looping between network elements
02/09/1999US5870451 Method and apparatus for high impedance ringer detection
02/09/1999US5870383 Provisioning technique for customer service
02/09/1999US5870206 Facsimile machine with a mailbox function
02/09/1999US5870030 Advertiser pays information and messaging system and apparatus
02/09/1999US5868669 Computerized medical diagnostic and treatment advice system
02/09/1999CA2143182C Telecommunications follow me services
02/04/1999WO1999005847A1 Monitoring a communication network
02/04/1999WO1999005845A1 One number lan based calendar
02/04/1999WO1999005844A1 Fraud monitoring system
02/04/1999WO1999005843A2 Automated private numbering plan provisioning
02/04/1999WO1999005591A2 Method and apparatus for providing a bioinformatics database
02/04/1999WO1999005590A2 Apparatus and method for integrated voice gateway
02/04/1999WO1999005574A1 Method and system for providing a probe array chip design database
02/04/1999WO1999005462A1 Nontracking solar concentrators
02/04/1999WO1999005324A1 System for providing a polymorphism database
02/04/1999WO1999005323A1 Gene expression and evaluation system
02/04/1999WO1998051106A3 Gsm wired access
02/04/1999DE19832433A1 Communication system with specifying user profile data
02/04/1999CA2298478A1 One number lan based calendar
02/04/1999CA2296332A1 Fraud monitoring system
02/03/1999EP0895432A1 Mobile telephone call screening
02/03/1999EP0895396A2 Spoken dialogue system for information access
02/03/1999EP0895395A1 Device for transmitting and processing group communications in the e-mail system
02/03/1999EP0895224A2 Method and apparatus for word counting in continuous speech recognition useful for reliable barge-in and early end of speech detection
02/03/1999EP0894415A1 Control of switching in a telecommunication network
02/03/1999EP0894396A1 Method and apparatus for validating a subscriber terminal on a telecommunication network
02/03/1999EP0894386A2 Packet telephone system
02/03/1999EP0894383A1 Speech transmission in a packet network
02/03/1999EP0894378A1 Signature based fraud detection system
02/03/1999EP0894364A1 Radio frequency noise canceller
02/03/1999EP0764384B1 Method of establishing a connection between a caller in a telecommunications net and a called mobile subscriber in a radio-telephone net
02/03/1999EP0570082B1 Voice-operated service
02/03/1999CN2306618Y Portable telephone line inspection machine
02/03/1999CN1207226A Method and apparatus for implementing a computer network/internet telephone system
02/03/1999CN1206976A User radio access system and transmission end dialing number display method
02/02/1999US5867788 Coverting a routing address within a telecommunications network
02/02/1999US5867784 Call forwarding in a mobile communication system
02/02/1999US5867780 Access free wireless telephony fulfillment service system
02/02/1999US5867689 Method and apparatus for emulating a digital cross-connect switch network using a flexible topology to test MCS network management
02/02/1999US5867663 Method and system for controlling network service parameters in a cell based communications network
02/02/1999US5867654 Two monitor videoconferencing hardware
02/02/1999US5867575 Optimized interface between audio/modem board and sound board
02/02/1999US5867572 Customer queuing arrangement
02/02/1999US5867571 Method and arrangement for establishing call connections in a telecommunications network using a virtual transport server
02/02/1999US5867570 Directory number portability in telephone networks
02/02/1999US5867569 Enhanced efficient telephone number portability
02/02/1999US5867568 Coverage of redirected calls
02/02/1999US5867566 Real-time billing system for a call processing system
02/02/1999US5867565 Intelligent network having service control node and service switching node for achieving traffic data collection processing
02/02/1999US5867564 Time-of-day clock synchronization in commincations networks
02/02/1999US5867563 Location display apparatus