[asterisk-users] Purchasing a Sangoma A102 - should I get the hw echo cancellation or not?

Mike Lynchfield theclubvoip at gmail.com
Mon Apr 23 16:48:29 MST 2007

echo cancel all the way, any company not including that in first place is
just selling a car without the wheels..

i would see the a card without echo cancel as driving in winter with summer

On 4/23/07, Erik Anderson <erikerik at gmail.com> wrote:
> On 4/23/07, Tom <tom at ispstuff.com> wrote:
> > We have installed two of the Sangoma 2 port cards.  Both had echo
> > cancellation.  The cost add on was about $450, not $800.  I also had
> > a single port T1 card without the echo cancellation.
> >
> > The extra money is worth it to me.  Less CPU load and it just plain
> > works.  And if a customer is willing to spring for a PRI, they
> > usually won't complain about the extra cost for better sound quality.
> Thanks for the info, Tom.  I was thinking along those lines, but just
> wanted to get some verification.  This is being installed in a fairly
> beefy server, and will only be handling ~20 calls at a time or so, so
> I don't envision CPU being a problem, but offloading the EC never hurt
> anyone.
> -Erik
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