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)
08/1999
08/10/1999CA2261545A1 System and method for bridging wireless and wireline subscribers
08/10/1999CA2181363C Method and apparatus for delivery of a response in a messaging system
08/10/1999CA2159002C Data correction system for communications network
08/10/1999CA2154585C Event correlation
08/10/1999CA2104799C Telecommunications calling feature method and apparatus
08/06/1999CA2260501A1 Arrangement in a network structure
08/05/1999WO1999039542A1 Emergency wireless backup for telecommunications terminal
08/05/1999WO1999039540A1 Automatic detection of pots lines
08/05/1999WO1999039528A1 Method for connection reconfiguration in cellular radio network
08/05/1999WO1999039522A1 Apparatus and method for exchanging message between portable devices of the same kind
08/05/1999WO1999039521A1 Telecommunications switch with multiple ports for host-node communications
08/05/1999WO1999039519A1 Telecommunication network
08/05/1999WO1999039516A2 Reliable and flexible access network
08/05/1999WO1999039499A2 Voice mail system
08/05/1999WO1999039496A1 Method and devices for establishing a speech channel which is carried via a public telephone network
08/05/1999WO1999039495A1 Procedure and system for call rerouting
08/05/1999WO1999039494A1 Distinctive call waiting alert and management device
08/05/1999WO1999039493A1 A cabling testing device
08/05/1999WO1999039492A1 Method and system for tapping telephone conversations
08/05/1999WO1999039491A1 System and method for overflow on demand in a telecommunications network
08/05/1999WO1999039489A1 Method and apparatus for automatic telephone area code dialing
08/05/1999WO1999039419A1 Lightning protection device for wired equipment
08/05/1999WO1999025108A3 Voice mailbox in a gsm-system
08/05/1999WO1999025107A3 Call setup in mobile systems
08/05/1999DE19845829A1 Setting up telecommunication connection subject to fee
08/05/1999DE19843187A1 Setting up telecommunication connection between caller and called subscriber
08/05/1999DE19806187A1 Verfahren und Vorrichtungen zum Aufbau eines über ein öffentliches Telefonnetz führenden Sprachkanals Methods and apparatus for constructing a leading via a public telephone network voice channel
08/05/1999CA2319626A1 System and method for overflow on demand in a telecommunications network
08/05/1999CA2319509A1 Telecommunications switch with multiple ports for host-node communications
08/05/1999CA2318876A1 Lightning protection device for wired equipment
08/05/1999CA2318480A1 Method for connection reconfiguration in cellular radio network
08/05/1999CA2318396A1 Method and apparatus for automatic telephone area code dialing
08/04/1999EP0933915A1 Local wireless telephone network allowing setting up of conference calls with a telephone network and terminal for use in such a local network
08/04/1999EP0933914A2 Method for establishing a speech channel over a public telephone network and device for executing the method
08/04/1999EP0933913A1 Method and device for intercepting telephone communications
08/04/1999EP0933003A1 Method of handling service connections in a communication network
08/04/1999EP0933002A1 Methods of and apparatus for providing telephone call control and information
08/04/1999EP0932990A1 Shared interworking function within a mobile telecommunications network
08/04/1999EP0932989A1 Personal communication device voice mail notification apparatus and method
08/04/1999EP0932987A2 Message transmission system, a method of operating the message transmission system, and a primary station therefor
08/04/1999EP0932984A1 Telecommunications network with relocateability of subscriber number
08/04/1999EP0932974A1 Circuitry and method for simultaneously transmitting voice and data information
08/04/1999EP0932973A1 Local time manager
08/04/1999EP0932972A1 Multimedia call centre
08/04/1999EP0932971A1 System and method for transporting a call in a telecommunication network
08/04/1999EP0932970A1 Network based predictive dialing
08/04/1999EP0932966A1 Method and device for data transmission between a central unit and a data terminal equipment
08/04/1999EP0932885A1 Speaker verification method
08/04/1999EP0812512A4 Video telephone call handling system and method
08/04/1999CN1225226A A method and a device for identifying a user of a mobile telephone
08/04/1999CN1225221A Method for handling telephone calls
08/04/1999CN1225216A Dynamic load limiting
08/04/1999CN1225215A An arrangement for controlling subscriber interface circuits
08/04/1999CN1225214A Cordless telephone apparatus
08/04/1999CN1224983A Method for call connection in electronic switching system
08/04/1999CN1224964A Method of management information communication in communication network and memory device for storing conversion program of management information between network center and switching nodes
08/04/1999CN1224955A Eliminated FSK signaling in integrated wireline-wireless system
08/03/1999US5933828 Method of structuring a database of a control system for access by third party software
08/03/1999US5933778 For processing calls
08/03/1999US5933776 Method and apparatus for field testing cellular telephones
08/03/1999US5933773 Method and a device for mobile telephone supervision
08/03/1999US5933492 Method and system for determining and using multiple object states in a computer telephony integration system
08/03/1999US5933489 Method and apparatus for handling subscription and administrative requests in a local service management system
08/03/1999US5933488 Automated method and arrangement for integrating a telephone system with an announcement system
08/03/1999US5933487 Method and apparatus for searching a plurality of destination numbers
08/03/1999US5933486 Enhanced service control architecture of a telecommunications switching network
08/03/1999US5933485 Call reservation technique for a subscriber of another exchange utilizing a no. 7 signal
08/03/1999US5933484 Method for providing a menu to a subscriber on a switched communications network
08/03/1999US5933483 Systems and methods for providing personal, non-geographic call management
08/03/1999US5933480 Method for billing and controlling fraud in providing pay information services
08/03/1999US5933479 Remote service system
08/03/1999US5933477 Method of communicating
08/03/1999US5933476 TTY telephone display and related processes systems and apparatus
08/03/1999US5933475 System and method for testing a telecommunications apparatus
08/03/1999US5933474 Telecommunications call preservation in the presence of control failure and high processing load
08/03/1999US5933429 Multipoint-to-multipoint echo processing in a network switch
08/03/1999US5933425 Source routing for connection-oriented network with repeated call attempts for satisfying user-specified QOS parameters
08/03/1999US5933417 Multimedia multipoint telecommunications reservation acceptance systems and controllers
08/03/1999US5933412 For controlling connection setup of a switching network
08/03/1999US5931910 System for node address initialization using pointers to designate the first address in selected sets of node addresses corresponding to selected inter-processor communications
08/03/1999CA2174271C Microphone selection process for use in a multiple microphone voice actuated switching system
08/03/1999CA2151868C Personal mobile communication system
08/03/1999CA2095514C Digital switching system interconnecting buses with incompatible protocols
08/03/1999CA2026663C Idle channel noise reduction in a line card having a dsp equalizer
08/02/1999WO1999066698A2 Method and apparatus for location based call intercept
08/02/1999CA2288960A1 Method and apparatus for location based intercept
07/1999
07/29/1999WO1999038342A1 Communication system and method for ringing wired telephones and wireless telephones substantially simultaneously
07/29/1999WO1999038339A1 Method and devices related to features or feature agent and method of controlling process flow between features
07/29/1999WO1999038338A2 Method for transferring the service profile of a digital subscription to a digital terminal device
07/29/1999WO1999038312A1 Computer telephony integrated pbx
07/29/1999WO1999038311A1 System and method for providing ip/internet telephony
07/29/1999WO1999038310A1 Call setup for ip/internet telephony
07/29/1999WO1999038309A1 Information service in a telecommunications network
07/29/1999WO1999038308A2 Method for compensating current variables of a subscriber circuit which have been modified by disturbance variables
07/29/1999WO1999038307A1 Voice enhanced phone card
07/29/1999WO1999038304A2 Method for rapidly testing the reliability performance of a subscriber circuit
07/29/1999WO1999038266A1 Intelligent radio
07/29/1999WO1999038264A1 Multi-language display keypad
07/29/1999WO1999027699A3 Method of transmitting an acknowledgement to an a-subscriber
07/29/1999WO1999027697A3 Verification of voice gateway services
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