Data transmitter-receiver having echo canceler with data delay
DC-supply arrangement for a telecommunication line
Device and method for connecting a monitored alarm system to...
Device for processing echo, particularly acoustic echo in a tele
Dialer circuit
Digital direct current feed control for a communication system
Digital echo canceller comprising a double-talk detector
Digital subscriber line modem utilizing echo cancellation to...
Digital switching system with shared analog line
Digital switching system with shared analog line
Direct current feed with line status change adaptation in a comm
DOCSIS network interface device and methods and systems for...
Double echo cancelling system
Double talk and echo path change detection in a telephony system
Double talk detection and echo control circuit
Double talk detector for echo canceller and method
Double talk detector, method for double talk detection and...
Dual mode LMS nonlinear data echo canceller
Dual network housing device
Dual voltage, self-monitoring line circuit