You go to the identity under "RTP/SAVP:" and change it to optional 

/b

On Jan 29, 2009, at 9:19 AM, Michael Jerris wrote:

Snom filed a bug with us that we should not accept a=crypto in the RTP/ 
AVP as it is an rfc violation but left their defaults to still send  
that.  Please file a complaint with snom that their default are not  
right.  There is a setting to change it but I can not recall what it is.

Mike