Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
03/1999
03/11/1999DE19743286A1 Automatic call connection construction in communications terminal
03/11/1999DE19743243A1 Speech message transmission method
03/11/1999DE19739561A1 Receiving data by electronic mail
03/10/1999EP0901297A2 Intelligent peripheral
03/10/1999EP0901266A2 Compatibility server for IN-based call number portability
03/10/1999EP0901265A2 System for deferred call answering in a telecommunications system
03/10/1999EP0901264A2 Telecommunications line termination test
03/10/1999EP0901251A2 A system for operating and maintaining an access node
03/10/1999EP0901000A2 Message processing system and method for processing messages
03/10/1999EP0900511A2 Emergency call back using msc numbers
03/10/1999EP0900507A1 Method for coupling of telecommunication terminals to a radio network termination
03/10/1999EP0900504A1 Connecting telephones, faxmachines and computers in an intelligent network
03/10/1999EP0900503A2 System and method for supporting and managing telecommunications services
03/10/1999EP0900494A2 Emergency call back for roaming mobile radio subscribers
03/10/1999EP0900491A1 A method and apparatus for using network address information to improve the performance of network transactions
03/10/1999EP0659320B1 Communication channel switching arrangement
03/10/1999CN1210657A Method and arrangement for limited paging load in mobile communication system
03/10/1999CN1210643A Database access
03/10/1999CN1210410A 接入网络系统 Access Network System
03/10/1999CN1210408A Asymmetric data transmission apparatus using asymmetric digital subscriber lines, and subscriber line connection method therefor
03/10/1999CN1210399A Transmission power control method in asymmetrie digital subscriber line system
03/09/1999US5881273 Clock signal generation apparatus for use in an access subsystem processor
03/09/1999US5881148 T1 channel bank control process and apparatus
03/09/1999US5881146 Method and apparatus for determining digits dialed using a selected algorithm
03/09/1999US5881145 Redirection of calls to ported directory numbers in telephone networks
03/09/1999US5881140 Apparatus and method of determining switch utilization within a telecommunications network
03/09/1999US5881139 Apparatus and method for optimizing the use of long distance telephone services
03/09/1999US5881138 Method and system for detecting a change in at least one telecommunication service rate plan
03/09/1999US5881137 Traffic control in a telecommunications system
03/09/1999US5881136 Fax overflow system
03/09/1999US5881135 Service platform
03/09/1999US5881134 Intelligent call processing platform for home telephone system
03/09/1999US5881132 Method and apparatus for monitoring selected telecommunications sessions in an intelligent switched telephone network
03/09/1999US5881131 Analysis and validation system for provisioning network related facilities
03/09/1999US5881130 Fast and noise-insensitive load status detection
03/09/1999US5881129 Self-monitoring line interface circuit
03/09/1999US5881128 Technique for preventing data stored in a memory of telephone system from being corrupted during power failure
03/09/1999US5881105 System and method for the non-sequential transmission of control signals within a speech transmission
03/09/1999US5881062 Method of concentrating slave terminals to be hunted in a packet switching communication pattern using a master key number
03/09/1999US5881053 Method for a wireless communications channel
03/09/1999US5881052 Line signal analyzing method for use in an electronic switching system
03/09/1999CA2145801C A method and apparatus for prioritizing a telephone call according to a level of service of an originator
03/09/1999CA2142890C Personal number communications system
03/04/1999WO1999011096A2 Modular digital telephone system and method including a universal telephony shelf
03/04/1999WO1999011087A2 Method and system for processing calls
03/04/1999WO1999011050A1 Network access device and system using the device
03/04/1999WO1999011049A1 Communications system for a service provider
03/04/1999WO1999011030A1 Intelligent, high-speed switching matrix
03/04/1999WO1999011016A1 Apparatus and method for concurrent voice and data transmission
03/04/1999WO1998057485A3 Method for establishing multipoint conferences
03/04/1999WO1998056195A3 Routing short messages
03/04/1999WO1998054724A3 Web-based management of an enhanced services platform and method
03/04/1999WO1998051094A3 Communication system with centralized global title translation table
03/04/1999DE19738707A1 Method for allocating temporary access authorization to mobile radio network
03/04/1999CA2301939A1 Intelligent, high-speed switching matrix
03/04/1999CA2301600A1 Method and system for processing calls
03/04/1999CA2301529A1 Communications system for a service provider
03/03/1999EP0899980A1 Telecommunication network and state propagation method
03/03/1999EP0899979A2 Terminal, SIM-card and telecommunications system for a subsciber as well as method for changing a subscriber related service profile
03/03/1999EP0899971A2 ETSI INAP implementation in a service switching point
03/03/1999EP0899970A2 Call handling in an intelligent network
03/03/1999EP0899954A2 Multimedia mail in teleconferencing system
03/03/1999EP0899953A2 Participant location in multimedia collaboration system
03/03/1999EP0899952A2 Call detection and handling in multimedia collaboration system
03/03/1999EP0899933A2 Method and circuit for using telecommunications networks
03/03/1999EP0899932A2 Modem
03/03/1999EP0899930A2 Modem data call bypass of a telephone network voice switch
03/03/1999EP0899929A2 Communication content recording apparatus and method
03/03/1999EP0899927A1 Communication apparatus notifying calling information to called party
03/03/1999EP0899909A1 Distributed restoration
03/03/1999EP0899673A2 Method and apparatus for predicting queuing delays
03/03/1999EP0898854A1 Switching system with selection of broadband services via an intelligent network
03/03/1999EP0898846A1 Improving charging criteria for a call in a cellular mobile network
03/03/1999EP0898842A1 An arrangement and a method for making a telephone call
03/03/1999EP0898838A1 A modem with ip support
03/03/1999EP0898837A2 An access network over a dedicated medium
03/03/1999EP0898834A1 Computerized communication system
03/03/1999EP0898833A1 An access network over a shared medium
03/03/1999EP0898832A1 A method and a detector unit for setting up connections in a teletransmission network
03/03/1999EP0898829A1 System and method for establishing a call telecommunications path
03/03/1999EP0787337B1 Method for the deregistration of a user registered at a terminal via registration data, and also telecommunication system
03/03/1999CN1209927A Voice recording and playback apparatus
03/03/1999CN1209701A Wire strain-eliminating connection assembly for telephone testing device
03/02/1999US5878418 Auto definition of data sets and provisioning interfaces for call automation
03/02/1999US5878397 Method for transporting short messages in a wireless telecommunications system
03/02/1999US5878383 Quantifying circuit performance
03/02/1999US5878338 System and method of restricting incoming calls by comparing the forwarded-from directory number to a directory number stored within the network
03/02/1999US5878130 Communications system and method for operating same
03/02/1999US5878128 Method of communication and connection control
03/02/1999US5878127 Method and apparatus for facilitating remote communications access to multiple locations within a telecommunications network
03/02/1999US5878124 Universal telephone system and method
03/02/1999US5878122 Long distance service bureau
03/02/1999US5878121 Method and system for selecting and transmitting optimum route
03/02/1999US5878119 Idle suppression and signal threshold determination therefor
03/02/1999US5878118 Computerized telephone apparatus
03/02/1999US5878117 Distributed system for call processing
03/02/1999US5878116 Method of locating a lost pet, person or object
03/02/1999US5878115 Method and apparatus for providing different terminating call treatments based on service area
03/02/1999US5878113 Service and information management system for a telecommunications network
03/02/1999US5878027 Episodic traffic monitor