[Asterisk-Users] echo cancellation

Shaun Ewing asterisk at ewing.dropbear.id.au
Wed Nov 19 17:13:15 MST 2003


----- Original Message ----- 
From: "TeleSIP" <ricvil at telesip.net>
To: <asterisk-users at lists.digium.com>
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




More information about the asterisk-users mailing list