[SIPForum-discussion] Doubt on case sensetivity of SIP Version

[Kevin P. Fleming]

Vicky wrote:
> As per RFC 3261 Section 7.1 on definition of SIP Version it states
> that  "The SIP-Version string is case-insensitive, but implementations
> MUST send upper-case."
> The seems to be quite contradicting statement in itself and please
> clarify what should be case?

It's the typical 'be strict in what you send and liberal in what you
accept' mode of operation; conforming implementations must always send
in uppercase, but implementations should also accept lowercase (or
mixed-case, presumably) to ease interoperability with non-conforming
implementations.

-- 
Kevin P. Fleming
Director of Software Technologies
Digium, Inc. - "The Genuine Asterisk Experience" (TM)