[Asterisk-Users] Re: Some questions re. T1 cards & QoS

[Kevin P. Fleming]

hugolivude wrote:

> Funny you mention that Kevin.  I was on the web site this morning and
> I saw it here:
> http://www.digium.com/en/products/hardware/analogcards.php
> 
> Later on the same day, that page had changed.  The text was gone and
> the TDM2400P & TDM400P had swapped positions...

I'll mention it to our web team, thanks.

> So a 4 span, is 4 T1 lines (wow).  With a single span, I'd set
> echocancellation=yes or similar in zapata.conf?

Actually, you would do that regardless, unless you don't want echo
cancellation at all. If the hardware echo canceler is available and not
disabled manually, it will be used instead of the software version; if
not, the software canceler will be used.