[SIPForum-discussion] Query regarding Require and Supported

Donald Lee baolovebao at gmail.com
Tue Aug 21 09:06:03 UTC 2007


I don't think 100rel means 100%, but means the 1xx responses like 180.

On 8/21/07, chandan kumar anjani <chandan.anjani at gmail.com> wrote:
>
> but my question was that
>
> "Is 100 means 100 Percent or it's 1XX ??"
>
>
> On 8/21/07, Donald Lee < baolovebao at gmail.com> wrote:
> >
> > not exactly. actually, it has differenct meaning in those headers. Pls
> > refer to RFC3262
> >
> > 8.1 IANA Registration of the 100rel Option Tag
> >
> >    This specification registers a single option tag, 100rel.  The
> >    required information for this registration, as specified in RFC 3261,
> >    is:
> >
> >       Name: 100rel
> >
> >       Description: This option tag is for reliability of provisional
> >          responses.  When present in a Supported header, it indicates
> >          that the UA can send or receive reliable provisional responses.
> >
> >          When present in a Require header in a request, it indicates
> >          that the UAS MUST send all provisional responses reliably.
> >          When present in a Require header in a reliable provisional
> >          response, it indicates that the response is to be sent
> >          reliably.
> >
> >
> >
> >  On 8/21/07, chandan kumar anjani < chandan.anjani at gmail.com> wrote:
> >
> > > Hi,
> > >
> > > In Require and Supported header does the 100rel means 100%
> > > reliablility is expected
> > > or it is that all 1XX should be reliable.
> > >
> > > Bye
> > > Anjani
> > >
> > >
> > >
> > > _______________________________________________
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> > >
> > >
> >
> >
> > --
> > BR
> > Donald
>
>
>


-- 
BR
Donald
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