Hi Vincent -
Can anybody tell me if echo cancellation is really needed even at a T1 PRI to the telco? Because people keep saying when they deploy voip solution in Hong Kong using T1 PRI, there is no need of echo cancellation. (even the local Digium distributor)
I have to do echo cancellation on a PRI for one of my customers, even though the Telco office is only two blocks away.
Asterisk is 1.2.13, zaptel is 1.2.10. I choosed the MARK2 canceller in the zaptel.
There's also the "aggressive" option for MARK2, you might try that. Or you could try the MG2 echo can.
The setting in zaptel is default: echocancel=yes echocancelwhenbridged=yes echotraining=yes
The best settings for us: echocancel=yes echocancelwhenbridged=no echotraining=no You'll probably have to do some experimenting, as your best values may be different. Good Luck! - Noah _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
