The issue is tracked by bug 661.

http://bugs.sipit.net/show_bug.cgi?id=661


> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf 
> Of Dale R. Worley
> Sent: Tuesday, March 14, 2006 9:43 AM
> To: Sip-Implementors
> Subject: Re: [Sip-implementors] Is the "magic cookie" in the 
> Viabranch case-sensitive?
> 
> 
> On Tue, 2006-03-14 at 11:24 +0530, King Jeremy wrote:
> > Is the magic cookie "z9hG4bK" in the "Via" branch parameter 
> value case 
> > sensitive or case insensitive? RFC 3261 ABNF defines the branch 
> > parameter as "token". In addition, the description states, "Unless 
> > otherwise stated, tokens are case-insensitive" and section 7.3.1, 
> > "Header Field Format" corroborates this. I've been doing 
> comparisons 
> > in a case-insensitive way. Should the magic cookie 
> comparison be case- 
> > sensitive?
> 
> Good catch!  But as the characters are intended to be a magic 
> flag that (by chance) has never been used by an RFC 2543 
> implementation, and that the characters are quoted in mixed 
> case, I'm sure the intention is that it is case-sensitive.
> 
> Dale
> 
> --- 
> interop.pingtel.com -- the public SIP phone interoperability 
> test server
> 
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