our phones? what phones might those be?  sounds like you're using dialog info.

/b

On Apr 6, 2010, at 10:03 PM, Bryan wrote:

Dear Brian,
 
Thanks for your reply.
 
I’m test the feature with our phone, I follow the draft-anil-sipping-bla-03.txt to to the test.
 
Could you  tell me what’s wrong with SIP flow.
 
Thanks a lot.
 
Best Regards,
Bryan