You might also have to set the codec negotiation to scrooge 

/b

On Dec 23, 2009, at 10:53 AM, Mathieu Rene wrote:

You can disable auto-adjust in the sip profile., but that might just make it worse, no warranty:

<param name="rtp-autofix-timing" value="false" />

Mathieu Rene
Avant-Garde Solutions Inc
Office: + 1 (514) 664-1044 x100
Cell: +1 (514) 664-1044 x200