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libpri
2006 Dec 19
3
Echo problem
Hello,
We're in the process of setting up an Asterisk server, and are having
echo problems. We have a Digium TE110P, and have tried the MG and
MARK2 AGGRESSIVE echo cancellers, with a variety of gain levels and
training times, and with both trunk and 1.2 branch versions of
Zaptel, Libpre, and Asterisk. In all cases, callers from the PSTN
hear their own voice echoed back after 1.5-2 seconds; none of these
adjustments made a difference, except adjusting gain made the echo
quieter.
We followed these instructions in trying to eliminate echo:
http://www.asteriskdocs.org/modules/t...