Detection of TDD signals in an automated telephone system
Determining and disclosing the indentity of telephone caller
Determining whether a telephony call is permitted based on...
Device and method for isolating voice and data signals on a comm
Device and method for telecommunication systems
Device and method to establish communication
Device for automatically processing incoming electronic mail...
Device for controlling the application of power to a computer
Device for multimedia communication
Device for the transmission of data by telephone line
Device for transmitting video and audio signals through an integ
Device for use in communication systems
Device to block unauthorized modem access over a PBX line
Device to monitor the content and/or display of messages
Device to monitor the content and/or duration of the display of
Device transmitting audio and image information remotely via e-m
Device useful as a master/slave clock for transmitting standard
Devices, methods and softwares for telecommunication service...
Devices, softwares and methods for selectively limiting the...
Devices, softwares and methods for selectively limiting the...