Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
11/1997
11/26/1997EP0808548A1 A method of routing an international call to a foreign mobile subscriber
11/26/1997EP0808545A1 Information services provision and management
11/26/1997EP0808540A1 Method of initiating remote maintenance of a private branch exchange
11/26/1997EP0808539A1 Method of remote maintenance
11/25/1997US5692199 Personal digital assistant module having a host interconnect bus without an interrupt line and which handles interrupts as addresses associated with specific interrupts in memory
11/25/1997US5692039 Improved data transmission via a public switched telephone network
11/25/1997US5692038 Method for identifying the source of a telephonic communication
11/25/1997US5692034 Customized, billing-controlled call bridging system
11/25/1997US5692033 AIN queuing for call-back system
11/25/1997US5692030 Electronic interface for exchange of trouble administration information in telecommunications
11/25/1997US5691977 Virtual channel converter and VCC table access method
11/25/1997US5691976 Performance monitoring and test system for a telephone network
11/25/1997US5691973 Modular application software for telecommunications exchanges for providing all end user services traffic handling and charging requirements of an application type
11/25/1997US5691872 Single line, multiple line telecommunications surge protector
11/25/1997US5691713 Communication apparatus allowing a receiver to recognize a generalized situation of a sender
11/20/1997WO1997043868A1 Switching system with selection of broadband services via an intelligent network
11/20/1997WO1997043866A2 A method and a device for identifying a user of a mobile telephone
11/20/1997WO1997043864A1 Call forwarding function for a portable radio communications device
11/20/1997WO1997043850A2 Call transfer in a cellular telephone network
11/20/1997WO1997043849A1 Computerized communication system
11/20/1997WO1997043848A2 Method and apparatus for remotely activating services in a telecommunications network
11/20/1997WO1997038551A3 Method and apparatus for routing internet calls
11/20/1997WO1997031498A3 System and method for transmitting data
11/20/1997WO1997024855A3 Remote access terminal
11/20/1997DE19619994A1 Telephone switch especially for online service
11/20/1997CA2255053A1 Call transfer in a cellular telephone network
11/20/1997CA2254884A1 Switching system with selection of broadband services via an intelligent network
11/19/1997EP0808053A2 Self-monitoring line interface circuit
11/19/1997EP0808051A2 Message storing and reproducing system separately comprising processors and storages
11/19/1997EP0808048A2 Multimedia information service access
11/19/1997EP0808037A2 Communications apparatus and method
11/19/1997EP0807362A1 Loading software into field test equipment
11/19/1997EP0807361A2 A digital cordless telephony system, a radio base station, and a combination of a radio base station and a cordless handset
11/19/1997EP0807358A1 Telecommunications switch having a universal applications program interface for stantardized interactive call processing communications
11/19/1997EP0807351A1 Method and apparatus for screening calls in telephone networks
11/18/1997US5689654 Digital assistant system including a host computer with a docking bay for the digital assistant wherein a heat sink is moved into contact with a docked digital assistant for cooling the digital assistant
11/18/1997US5689641 Multimedia collaboration system arrangement for routing compressed AV signal through a participant site without decompressing the AV signal
11/18/1997US5689555 Method for transferring a subscriber to a new local service provider
11/18/1997US5689554 Internetwork communication system for managing subscriber switches between networks
11/18/1997US5689553 Multimedia telecommunications network and service
11/18/1997US5689550 Interface enabling voice messaging systems to interact with communications networks
11/18/1997US5689548 Emergency call back using MSC numbers
11/18/1997US5689547 Network directory methods and systems for a cellular radiotelephone
11/18/1997US5689546 Performance monitoring system for T1 telephone lines
11/18/1997US5689300 Picture codec and teleconference terminal equipment
11/18/1997CA2123348C Telecommunications system sequence calling
11/18/1997CA2073093C Band management system in communication
11/17/1997CA2205618A1 Communications apparatus and method
11/13/1997WO1997042784A1 Method and apparatus for facilitating law enforcement agency monitoring of cellular telephone calls
11/13/1997WO1997042777A2 Call set-up for fixed wireless communications system
11/13/1997WO1997042776A2 System and method for number portability processing in a telecommunications network
11/13/1997WO1997042771A2 A method and apparatus for providing different terminating call treatments based on service area
11/13/1997WO1997042749A1 Communication activated processing
11/13/1997WO1997042748A1 Method of call forwarding
11/13/1997WO1997042728A2 Method and apparatus for coordinating internet multi-media content with telephone and audio communications
11/13/1997WO1997034410A3 Network based multimedia messaging method for non-ccitt compliant switches
11/13/1997WO1997033221A3 Transaction system based on a bidirectional speech channel through status graph building and problem detection for thereupon providing feedback to a human user person
11/13/1997WO1997031491A3 Method of making available content resources to users of a telephone network
11/13/1997WO1997031490A3 Method of accessing a target entity over a communications network
11/13/1997WO1997024861A3 System and method for selected audio response in a telecommunications network
11/13/1997DE19618193A1 Automatic programming method for telecommunications terminal
11/13/1997CA2253867A1 Method and apparatus for coordinating internet multi-media content with telephone and audio communications
11/12/1997EP0806859A2 Dual voltage, self-monitoring line circuit
11/12/1997EP0806858A2 Call center
11/12/1997EP0806115A1 Teleconferencing method and system
11/12/1997EP0806105A1 Teleconference system at telecommunications system, method for establishing of teleconference and teleconference equipment for use in a teleconference system
11/12/1997EP0806104A1 Call notification feature for a telephone line connected to the internet
11/12/1997EP0806103A1 Call interruption between two terminals by means of a call from a third terminal
11/12/1997CN1164949A Peripheral video conferencing system
11/12/1997CN1164945A Paging method using power shifted transmitters
11/12/1997CN1164801A Context-based recognition system for interactive TV and telephony
11/11/1997US5687225 System for adding outbound dialing to inbound call distributors
11/11/1997US5687224 Telecommunications circuit provisioning and administration system
11/11/1997US5687223 Method for acquiring statistics in a telephone network employing flexibly changeable rules
11/11/1997US5687220 Telephonic voice message transmission control method
11/11/1997US5687216 Apparatus for storing messages in a cellular mobile terminal
11/11/1997US5687214 Method for processing information
11/11/1997US5687212 System for reactively maintaining telephone network facilities in a public switched telephone network
11/11/1997US5687194 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
11/11/1997US5687177 Tone blocking using variable delay buffer
11/11/1997US5685741 For providing access to a telecommunications line
11/11/1997CA2122180C Automatic loss control circuit
11/11/1997CA2115602C Routing calls destined for inaccessible destinations
11/11/1997CA2109395C Centralized service circuit deployment
11/07/1997CA2204483A1 Creating and using an adaptable multiple-contact transaction object
11/06/1997WO1997041707A1 Process of access restriction to a telecommunications network, telecommunications system and unit for such a system
11/06/1997WO1997041696A1 Inhomogeneous connections
11/06/1997WO1997041678A2 Process for monitoring a communication line
11/06/1997WO1997041657A1 Method and apparatus for emulating a digital cross-connect switch network
11/06/1997WO1997041654A1 Telecommunications information dissemination system
11/06/1997WO1997041650A1 Integrated telecommunication system architecture for wireless and wireline access featuring pacs radio technology
11/06/1997WO1997041521A1 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
11/06/1997DE19712567A1 Telephonsystem, das einen Nachrichten-Wartezustand anzeigt Telephone system, indicative of a message waiting state
11/06/1997CA2251313A1 Inhomogeneous connections
11/06/1997CA2225727A1 Telecommunications information dissemination system
11/05/1997EP0805612A2 Method of using a narrowband server to provide service features to broadband subscribers
11/05/1997EP0805609A2 Method and apparatus for tracking identity-code changes in a mobile communications system
11/05/1997EP0805608A1 Handover following in a mobile radio system by monitoring signalling messages
11/05/1997EP0805606A2 Method for operating a communication network and network gateway device
11/05/1997EP0805582A2 Collaborative conference bridges