Echo detection and monitoring systems and methods are provided. According to the invention, the outgoing and incoming voice bearer channels of a voice communication are monitored. The outgoing and incoming signals are time aligned, and measures are then taken to determine whether echo is present in the signal. In accordance with an embodiment of the present invention, the outgoing signal is fed through an adaptive filter.

 
Web www.patentalert.com

< Method and apparatus for echo cancellation

< Echo canceller in a communication system at a terminal

> Method and apparatus for adapting a phone for use in network voice operations

> Apparatus and method for delivery of ringing and voice calls through a workstation

~ 00203