[Asterisk-Users] Echo Training - how long

[Rich Adamson]

> I have echo training set on in my zapata.conf file for a X101P card:
> echocancel = yes
> echocancelwhenbridged = yes
> echotraining = yes
> 
> Now, I know that echo cancellation is a black art, but I am finding that
> at the beginning of a call bridged between a SIP channel and a Zap
> channel the voice quality is poor to abysmal for the first few seconds,
> but as the call progresses, esp after about 30 seconds, the call quality
> becomes very acceptable.
> 
> Should echo training take that long?
> Is it, in fact, echo training or some thing else?
> Has any one got any guidance on ET other than what is in the wiki, which
> I find to be very hard to follow?

Try echotraining=800 and see if that makes a difference.