echo in sip calls

Joined
Oct 28, 2008
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141
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Hi, i have echo in some sip extensions, not all, only 2 or 3 extensions, sometimes.

The question is, how i must supress echo in sip calls?

Thanks
 
Joined
Dec 3, 2007
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8,069
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Hmmm. Several solutions. :huh:

Maybe the Mic's gain that's too strong.
Canreinvite not enabled on every extension.

Try to change the codec G711 to another codec like GSM or G723 (to see if your have the same problem)
Try to see if you use the mode "full duplex" with your ethernet device (100/Full).
 
Joined
Sep 23, 2008
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488
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Some Grandstream phones had an issue a while back IIRC, the GXP2000?
What are you using for an endpoint? Softphone? Deskphone? ATA?
 

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