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)
03/1999
03/23/1999US5887055 Subscriber information shifting technique for a private exchange
03/23/1999US5887051 Listening device for tracing line continuity and detecting telephone dial tone
03/23/1999US5887050 Repeater apparatus having isolation circuit
03/23/1999US5887000 Centralized test apparatus for ATM exchange system
03/23/1999CA2148021C Access to unsubscribed features
03/23/1999CA2091393C Method and apparatus for providing a personal locator, access control and asset tracking service using an in-building telephone network
03/23/1999CA2051817C An arrangement and method of downloading data to a plurality of destinations in a digital telephone system
03/18/1999WO1999013657A2 Procedure for determining register recall filtering times in a telecommunication system in conjunction with a v5 interface
03/18/1999WO1999013655A1 Method for monitoring incoming calls
03/18/1999WO1999013635A1 Apparatus and methods enhancing call routing to and within call-centers
03/18/1999WO1999013633A1 Internet telephony
03/18/1999WO1999013632A1 Telephonic system with call forwarding apparatus and method
03/18/1999WO1999013631A1 Improvements to telecommunications
03/18/1999WO1999013630A1 Method for executing telecommunication connections over a public network position
03/18/1999WO1999013612A1 Method of loading commands in the security module of a terminal
03/18/1999WO1999013608A2 A communication system and a terminal having speech encoding and decoding means
03/18/1999WO1999013589A1 Audio processor
03/18/1999WO1999013456A1 Speech reference enrollment method
03/18/1999WO1999013427A2 System and method for detecting and managing fraud
03/18/1999WO1999000994A3 Method and system for assigning spare transmission links to restoral routes
03/18/1999WO1999000964A3 Method and communication device for implementing a scheduled-call function in a communication system
03/18/1999WO1998058484A3 Method of structuring a database of a control system for access by third party software
03/18/1999WO1998058479A3 Configuration of terminals in telecommunications systems
03/18/1999WO1998058459A3 Method and device for communicating location-related information to mobile communications subscribers
03/18/1999WO1998056158A3 Method and device for directory services for telecommunication
03/18/1999WO1998053617A3 System and method for implementing call waiting functions over a network
03/18/1999WO1998048541A3 Direct digital access arrangement circuitry and method for connecting to phone lines
03/18/1999DE19740738A1 Active alarm list handling in subordinate management level
03/18/1999DE19740723A1 Call centre control method
03/18/1999DE19740716A1 Alarm handling method for communications system
03/18/1999DE19739981A1 Verfahren zur Abwicklung von Fernmeldeverbindungen über eine öffentliche Vermittlungsstelle A method of managing telecommunication connections via a public exchange
03/18/1999DE19721252A1 Answering machine for call reception
03/18/1999CA2303107A1 System and method for detecting and managing fraud
03/18/1999CA2295887A1 Method of loading commands in the security module of a terminal
03/17/1999EP0902595A2 Wireless packet system for efficient wide area bandwidth utilization
03/17/1999EP0902579A2 Method for establishing a hold state of a connection between two terminals
03/17/1999EP0902569A1 Method and system for a unicast endpoint client to access a multicast internet protocol (ip) session
03/17/1999EP0901731A1 Data transmission system and process for transmitting facsimiles
03/17/1999EP0901730A1 Method to re-route a call
03/17/1999EP0901729A1 Managing feature interactions in a telecommunications system such as an intelligent network
03/17/1999EP0901728A1 Method and apparatus for integration telephone and broadband netwroks
03/17/1999EP0901727A1 Broadband network and method
03/17/1999EP0901656A1 Apparatus and method for preventing network server overload
03/17/1999EP0868809A4 Method and apparatus for transferring a data call through a pbx
03/17/1999EP0731940A4 Modular portable computer
03/17/1999EP0678229A4 Wireless digital personal communications system.
03/17/1999CN2311106Y Controller for radio long-range mobile diverting telephone
03/17/1999CN1211375A 电话系统 Phone System
03/17/1999CN1211374A System and method for transmitting data
03/17/1999CN1211370A Simulating changes in telephone subsriber line
03/17/1999CN1211129A Telecommunication system for providing both narrowband and broadband services
03/17/1999CN1211123A System for operating and maintaining access node
03/16/1999US5884272 Method and system for establishing and maintaining user-controlled anonymous communications
03/16/1999US5884266 Audio interface for document based information resource navigation and method therefor
03/16/1999US5884262 Computer network audio access and conversion system
03/16/1999US5884250 Digital voice transmission system
03/16/1999US5884193 System and method for call restriction in a wireless communication device
03/16/1999US5884183 Mobile communication system and message output method therefor
03/16/1999US5884180 Method of providing a delayed connection announcement to a mobile subscriber within a radio telecommunication system
03/16/1999US5884175 Handover following in a mobile radio system
03/16/1999US5884167 Method for completing a conference with a personal communications units
03/16/1999US5884160 Mobile voice mail message transmission system
03/16/1999US5884157 Method and apparatus for supporting multiple service providers using single mobile switching center
03/16/1999US5884144 Maintenance and administration of remote systems via radio pager
03/16/1999US5884039 System for providing a directory of AV devices and capabilities and call processing such that each participant participates to the extent of capabilities available
03/16/1999US5884032 System for coordinating communications via customer contact channel changing system using call centre for setting up the call between customer and an available help agent
03/16/1999US5884017 Method and system for optical restoration tributary switching in a fiber network
03/16/1999US5883964 Interactive telephone system for optimizing service economy
03/16/1999US5883952 Communication switching system with performance characteristics system and a base switching system
03/16/1999US5883951 Method and arrangement for untrapping an unsuccessful call
03/16/1999US5883950 System and method having a distributed external database
03/16/1999US5883949 Method for a private branch communications exchange to activate a night service configuration
03/16/1999US5883948 Method for automatic maintenance of a local number portability database
03/16/1999US5883947 Method of and apparatus for connecting terminals between stations
03/16/1999US5883946 Method and apparatus for provisioning customized telecommunications services
03/16/1999US5883945 Three-way call detection and response system
03/16/1999US5883940 Interactive method and apparatus for the generation of leads
03/16/1999US5883939 Distributed architecture for an intelligent networking coprocessor
03/16/1999US5883775 Overvoltage protector
03/16/1999CA2170131C Arrangement for sharing a telephone office code
03/16/1999CA2159529C Method in a telephone system for reaching a subscriber under busy/no answer conditions and ring/no answer conditions
03/16/1999CA2158877C Telecommunications service access arrangement
03/16/1999CA2157707C Remote data access for operator assistance calls
03/16/1999CA2156755C A method for dynamically provisioning telephone service
03/16/1999CA2034711C International authorization system
03/12/1999CA2247553A1 System and method for unreserved call conferencing
03/11/1999WO1999012376A2 Procedure for setting up a call in a wireless local loop
03/11/1999WO1999012329A1 Telecommunications system
03/11/1999WO1999012328A1 Verified message receipt apparatus and method therefor
03/11/1999WO1999012327A1 First party signalling for call waiting calling number identification (cwcid) system
03/11/1999WO1999012326A1 Method and apparatus for inquiry response via internet
03/11/1999WO1999012325A1 Method and apparatus for web inquiry response
03/11/1999WO1999012324A1 Natural language colloquy system simulating known personality activated by telephone card
03/11/1999WO1999012154A1 Method and apparatus for managing voice registration entries of voice recognition apparatus for use in both handset and hands-free kit
03/11/1999WO1999012100A1 Method and apparatus for web inquiry response via internet video
03/11/1999WO1998057516A3 Control of transceiver units in cellular radio system
03/11/1999WO1998056143A3 Procedure for the switching of data traffic in a data communication system
03/11/1999WO1998056142A3 Procedure for the switching of data traffic in a data communication system
03/11/1999WO1998054877A3 Apparatus and methods enhancing call routing within and between call-centers
03/11/1999WO1998052336A3 Method and device for managing performance characteristics for telephone subscribers
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