> I use Digium TDM400 cards as well. Asterisk's software echo cancellation > sucks. From what I've heard on the IRC channel, you'll never completely > eliminate echo with it. And unfortunately, hardware echo cancellation starts > out at a full T1. They don't seem to have any solution for someone with 4 > pots lines like myself. > > I haven't been able to completely eliminate echo, but I've come close by > using the following: > > echocancel=64 > echocancelwhenbridged=no > echotraining=800 > rxgain=4.5 > txgain=0.0 > > echocancel=64 was significantly better than echocancel=128 (supposedly the > same setting you get when you use echocancel=yes)
I'm not the OP, but thought I'd add what my TDM04b is using: echotraining=800 echocancel=yes echocancelwhenbridged=yes rxgain=5.0 txgain=0.0 Things are working pretty good. (No other changes at all when compiling cvs-head.) _______________________________________________ Asterisk-Users mailing list [email protected] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
