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...

Devices, softwares and methods for selectively limiting the...

Dial on demand communication

Dial up telephone conferencing system controlled by an...

Dial-up line modem directly compatible with mainframe host havin

Digital communication system using telephone line and...

Digital screen phone terminal with graphical user interface