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tdm01b
2006 Jun 16
3
Echo and crackle
...distracting echo. In addition to that there is occasional heavy crackle
or static. I have tried to follow the guidelines at :
http://www.voip-info.org/wiki/view/Asterisk+echo+cancellation
but it does not seem to have made much difference.
Currently we are using a X101P for the POTS line and a TDM401B (TDM400P
with one FXS port) for the conventional telephones. From what I have
read, it may help to use an FXO port on the TDM400P rather than the
X101P for the POTS line.
What is the "conventional wisdom" about the echo in this configuration
and what causes the crackle and how shoul...