[Asterisk-Users] Echo Training - how long

[Rich Adamson]

Don't know, but certainly easy enough for you to try.

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> Does echotraining also work with HFC-S controllers or is this feature 
> restricted to some digium controllers?
> So does it make sense at all to switch it on for HFC-S controller used 
> in NT-Mode with ISDN-Phones connected?
> 
> Jui
> 
> Rich Adamson wrote:
> >>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.
> > 
> > 
> > 
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