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

[Steve Totaro]

I have installed many Sangoma T1 cards without hardware echo 
cancellation.  Never had a problem.  I have with Digium though.

Thanks,
Steve

Mike Lynchfield wrote:
> 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 tires..
>
>
> On 4/23/07, *Erik Anderson* <erikerik at gmail.com 
> <mailto:erikerik at gmail.com>> wrote:
>
>     On 4/23/07, Tom <tom at ispstuff.com <mailto: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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