On Dec 18, 2005, at 12:01 PM, Andrew Kohlsmith wrote:
On Sunday 18 December 2005 14:32, Mohammad Shokuie wrote:
As a matter of fact im serious to know where is the source of echo
in a
pure VoIP connection, i think the most of echo problems come from
hybrid
circuits which are not an issue in pure VoIP sessions.
Easy. Get better endpoints. In a pure-voip loop you have echo due to
acoustic coupling from the earpiece to the mic, or the speaker to
the mic in
a speakerphone. Easy way to tell: in a call with bad echo, have
the other
side mute. If your echo goes away, you've got your culprit.
Also note that if your transmit level is too high or they have the
volume up
too loud on their end it could push the audio coupling over what
the design
specifications were.
We're having some issues with a Budgetone, especially in speaker
phone mode causing echo. I think I read the specs have a feature
line item of "Echo cancellation (pending)", lol.
No way to fix this other than buying new phone(s)?
Phil
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