[EMAIL PROTECTED] wrote:
>
> As far as I can tell, a 406 is returned when the UAS on the other side
> cannot formulate a response with content-type acceptable to the sender
> (as indicated in the Accept-header it sent). A 488 is returned when the
> UAS can satisfy the Accept-header but the session description in the
> request is not acceptable.
Right. These are total different cases.
> There is also a 606 which tells that ALL UASs
> for that user don't accept the session description (a 488 only rejects
> the request to that particular R-URI).
>
> There might be a bug in bis-09 (Jonathan, we need your comments here).
Yes, it is a bug, see below.
> > -----Original Message-----
> > From: ext Feldman, Michael [mailto:[EMAIL PROTECTED]]
> > Sent: Tuesday, May 21, 2002 6:45 PM
> > To: [EMAIL PROTECTED]
> > Subject: [Sip-implementors] 406 vs 488 responses
> >
> >
> > When should a 406 (Not Acceptable) be sent verse a 488 (Not Acceptable
> > Here)?
> >
> >
> > the UPDATE draft mentions
> > an update could be reject a codec change with a 488,
> > the bis9 draft mentions
> > a Re-INVITE codec change is rejected with a 406 or a 488?
> >
> > thanks,
> > mike feldman
> > [EMAIL PROTECTED]
> >
> >
> >
> >
> >
> > bis9 page 18, section 4:
> >
> > This is accomplished by sending a re-INVITE containing a new media
> > description. This
> > re-INVITE references the existing dialog so that the other
> > party knows that
> > it is to
> > modify an existing session instead of establishing a new
> > session. The other
> > party
> > sends a 200 (OK) to accept the change. The requestor responds
> > to the 200
> > (OK) with an
> > ACK. If the other party does not accept the change, he sends an error
> > response such as
> > 406 (Not Acceptable), which also receives an ACK.
>
> This is a bug, it should be 488.
Right. I believe this is a bug. I will log it.
-Jonathan R.
--
Jonathan D. Rosenberg, Ph.D. 72 Eagle Rock Avenue
Chief Scientist First Floor
dynamicsoft East Hanover, NJ 07936
[EMAIL PROTECTED] FAX: (973) 952-5050
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http://www.dynamicsoft.com
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