No you can't remove them... And they are 100% valid so your SBC is in the wrong.  

/b

On Oct 26, 2009, at 12:05 AM, Ujjval Karihaloo wrote:

Hi,
 
 I used the downlaoded TAR ball and my calls worked, however, when upgrading to the SVN release...my SBC is rejecting the 200 OK (when the FS answers the call - using Conferencing app)..
 
Here are teh bad and good 200 OK,,,,I see a lot of additional headers startin gwith X:FS , can I remove them?