Early detection of in-band signals in a packet voice...
Echo canceller and compression operators cascaded in time...
Efficient connection of ISDN private branch exchanges to a...
Efficient variable rate coding of voice over asynchronous...
Electronic communications manager
Electronic loop provisioning methods and systems
Electronically controlled main distributing frame
Embedded WEB phone module
Embedded web phone module
Emergency services management network utilizing broadband...
Employing a look-up service and a callee connection service...
Emulating circuit-switched communications in a...
Emulation of phone extensions in a packet telephony...
Enabling collaborative applications using Session Initiation...
Enabling multicast distribution efficiencies in a dialup access
Enabling packet switched calls to a wireless telephone user
Enabling packet switched calls to a wireless telephone user
End of line monitor using DOCSIS
End to end network communication
End-to-end voice over IP streams for telephone calls...