[asterisk-dev] SIP CANCEL/To tag

[alex at pilosoft.com]

On Sat, 1 Apr 2006, Johansson Olle E wrote:

> > It means that we should send exactly what we sent in the INVITE, not
> > the ones added later in the session by the UAS.
> 
> On the other hand, I meant to write but got sidetracked, the
> implementations may wary since the RFC is not very clear - I guess.
>
> Are you having problems?
Yes. TNT wants the CANCEL to have the tag. However, after discussion on
various mailing lists, it appears that most agree that Asterisk is doing 
the right thing on this one.

-alex