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Short answer: yes<br>
<br>
<br>
Long answer: echo cancel works by matching the inbound signal to a
previous outbound signal. Any degradation in the signal makes it much
more difficult to match in to out and therefore match echo. Because
the incoming signal is distorted the ecan performance will be
suboptimal.<br>
<br>
Also happens on analog lines with noise on the line. Noise in the echo
signal makes it not match the original signal so ecan much less
effective.<br>
<br>
/Wes<br>
<br>
Scott Voll wrote:
<blockquote
cite="mid:f84a38d30710251229o3319b6e2udf7bd8eca1427a93@mail.gmail.com"
type="cite">
<div>I have a remote site that is complaining of echo progressively
getting worse on calls. All Calls, IP Phone to IP Phone or IP Phone to
PSTN. Gets so bad they have to hang up.</div>
<div> </div>
<div>I'm looking at the connection between the remote site and the
central site and it's being fulling used.</div>
<div> </div>
<div>Bandwidth is hard to this location as it's two Telco's running
one DS3 ATM to the other Telco frame-relay T1 capped at ~800 - 900 k.
I'm doing the best I can with QoS but is it a possibllity this is
causing the echo?
</div>
<div> </div>
<div>TIA</div>
<div> </div>
<div>Scott</div>
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