I have a couple of questions about case-sensitivity in SIP.
Section 7.3.1 of RFC3261 states that tokens are always case-insensitive.
My questions relate specifically to the From/To tags and the branch
parameter (which I think are both types of tokens).
(1) Should the From and To tags be considered case-sensitive or
case-insensitive?
e.g., are the following two tags considered to be equal:
To: Bob <sip:[EMAIL PROTECTED]>;tag=a6c85cf
To: Bob <sip:[EMAIL PROTECTED]>;tag=A6C85CF
(2) What about the branch parameter - is it considered case-sensitive or
case-insensitive?
And if it is considered case-insensitive, what about the magic
cookie defined at the start of a branch parameter.
Section 8.1.1.7 defines the magic cookie as "z9hG4bK"?
Is the value "Z9HG4BK" considered the same (and is it legal) ?
So for the branch, I can think of the following cases:
(i) branch=z9hG4bK776asdhds
(ii) branch=z9hG4bK776ASDHDS
(iii) branch=Z9HG4BK776ASDHDS
Are these all legal and considered equal?
Thanks in advance for any help.
Mike
[EMAIL PROTECTED]
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