5 maj 2011 kl. 12.39 skrev Iñaki Baz Castillo:

> 2011/5/5 Harbhanu sahai <[email protected]>:
>> Is this testcase correct as per 3261 text ?
> 
> Yes, RFC 3261 says that devices must use upper-case for SIP version
> field. But as per BNF grammar in RC 3261, they MUST accept lowercase.
> 

Was the rule changed between SIP 1.0 and SIP 2.0?

That's often a reason why we have to send one thing, but accept other syntaxes 
as well.

/O
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