Thanks for the reply,

Actually, no the ATA is only configured to support G732.1 exclusively. I'm not sure 
exactly what the payload type is since I'm not sure how to unwrap the RTP packet and 
interpret the results. The RTP version is being returned as zero not as '2' as I would 
expect from the RTP specification...


Original Message -----------------------
Is it returning a PT (payload type) header of 0?  If so, then it is trying
to use G.711.

-----Original Message-----
From: sipdev [mailto:[EMAIL PROTECTED]] 
Sent: Thursday, January 30, 2003 12:03 AM
To: Sip-implementors
Subject: [Sip-implementors] (unrelated) SIP to ATA



This isn't directly a ser question, but I'm tyring to talk to ATA 186 using
G732.1 codec, and when I receive RTP data back I noticed that I'm getting 0
as the RTP version number (first byte value is 0x80).

How do I communicate to this ATA using whatever RTP this is? Sorry for being
ignorant on this but I'm puzzled as to what data this thing is actually
sending over RTP.

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