Hi all, 
 
ABNF for CSeq header is 
CSeq  =  "CSeq" HCOLON 1*DIGIT LWS Method
 
This does mean that '0' is a valid CSeq number. 
I see some stacks rejecting the requests if CSeq number is ZERO. 
 
Can I know the expert opinion about the same. I mean, was that intended
to be non-zero unsigned number or just unsigned number
 
Thanks & Regards,
Nataraju A.B. Kodiak Networks  Ind Pvt Ltd
"Change your thoughts, and you change your world."
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