----- Original Message ----- 
From: "TeleSIP" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, November 20, 2003 10:23 AM
Subject: Re: [Asterisk-Users] echo cancellation


> It seems that everyday we see these complaints about bad echo on X100P
> cards.
>
> Why can't these cards incorporate an echo canceller that a cheap $10
dollar
> phone bought at Walmart can?
>

POTS phones don't have echo cancellers.

It's just with POTS, the echo comes back to you so fast that you don't
notice. VoIP is a different story - that's why echo is exacerbated by bad
network conditions.

-Shaun

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