[Asterisk-Users] T1 echo canceller

[Mark Spencer]

> I have a Adtran Atlas 750 channel bank with 8 FXO and 16 FXS. This
> connects via T1 port on Atlas to T1 port on Asterisk Server. If I put a
> T1 echo canceller like the one in the link below, would that clean up my
> VoIP to FXO calls?

I'm not familiar with that brand, but that's the right idea.  Are you
still having trouble with echo, even with the AGRESSIVE_SUPPRESSOR option
in the zaptel Makefile?

Mark