Hi,

I still don't get it, but let's take it face-to-face at some point :)

Regards,

Christer 

> -----Original Message-----
> From: Eric Burger [mailto:[EMAIL PROTECTED] 
> Sent: 22. heinäkuuta 2007 10:14
> To: Christer Holmberg (JO/LMF); IETF SIP
> Subject: Re: [Sip] INFO and Content Negotiation
> 
> That is the point - people have been saying, "I can negotiate 
> INFO by using Content-Type."  This is a tiny example where 
> using Content-Type to negotiate "INFO Packages" falls apart.
> 
> 
> On 7/22/07 3:10 AM, "Christer Holmberg (JO/LMF)"
> <[EMAIL PROTECTED]> wrote:
> 
> > 
> > 
> > Why would I be expecting KPML, if I have only indicated 
> that I support 
> > DTMF-over-INFO?
> > 
> > If I was to expect KPML, I would first need to establish a 
> > subscription for KPML (or, in our "controlled network", the 
> > subscription would be established by default, and I would 
> know you are going to send KPML).
> > 
> > Regards,
> > 
> > Christer
> > 
> > 
> > 
> >> -----Original Message-----
> >> From: Eric Burger [mailto:[EMAIL PROTECTED]
> >> Sent: 22. heinäkuuta 2007 4:41
> >> To: Christer Holmberg (JO/LMF); IETF SIP
> >> Subject: Re: [Sip] INFO and Content Negotiation
> >> 
> >> The point is that content type alone is not sufficient for INFO 
> >> negotiation.
> >> You are a RFC 4722-aware device.  You advertise you accept a DTMF 
> >> payload type.  I am an INFO-aware device.  I see you understand a 
> >> DTMF payload, so I send it to you in an *INFO* message.  You barf, 
> >> because you were expecting KPML.
> >> 
> >> 
> >> On 7/21/07 2:51 PM, "Christer Holmberg (JO/LMF)"
> >> <[EMAIL PROTECTED]> wrote:
> >> 
> >>> 
> >>> 
> >>> Hi,
> >>> 
> >>> I don't really understand your issue here... Did you send 
> the text 
> >>> using INFO, or something? ;)
> >>> 
> >>> Regards,
> >>> 
> >>> Christer
> >>> 
> >>>> -----Original Message-----
> >>>> From: Eric Burger [mailto:[EMAIL PROTECTED]
> >>>> Sent: 20. heinäkuuta 2007 23:14
> >>>> To: IETF SIP
> >>>> Subject: [Sip] INFO and Content Negotiation
> >>>> 
> >>>> 12 second proof point of why content type doesn't work.
> >>>> 
> >>>> So here comes an INVITE.  I am an INFO-friendly UAS.  I
> >> negotiate by
> >>>> using Accept.
> >>>> 
> >>>> This INVITE has the line:
> >>>> Accept: application/kpml-response+xml
> >>>> 
> >>>> 
> >>>> Wow!  This is great!  I know the UAC *wants* DTMF.  Why?
> >>>> Because it accepts a DTMF content type.  Excellent - I can
> >> now send
> >>>> them DTMF.
> >>>> 
> >>>> The user enters a digit, and I send an INFO with type 
> >>>> application/kpml-response+xml.
> >>>> 
> >>>> UAC says, "What the heck was that?"
> >>>> 
> >>>> 
> >>>> Notice:  This email message, together with any attachments, may 
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> >> subsidiaries  and
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> >>>> copyrighted  and/or legally privileged, and is intended 
> solely for 
> >>>> the use of the individual or entity named in this message.
> >> If you are
> >>>> not the intended recipient, and have received this message
> >> in error,
> >>>> please immediately return this by email and then delete it.
> >>>> 
> >>>> 
> >>>> _______________________________________________
> >>>> Sip mailing list  https://www1.ietf.org/mailman/listinfo/sip
> >>>> This list is for NEW development of the core SIP Protocol Use 
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> >>> 
> >> 
> >> 
> >> 
> >> Notice:  This email message, together with any attachments, may 
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> subsidiaries  and  
> >> affiliated entities,  that may be confidential,  proprietary,  
> >> copyrighted  and/or legally privileged, and is intended solely for 
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> If you are 
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> in error, 
> >> please immediately return this by email and then delete it.
> >> 
> > 
> 
> 
> 
> Notice:  This email message, together with any attachments, 
> may contain information  of  BEA Systems,  Inc.,  its 
> subsidiaries  and  affiliated entities,  that may be 
> confidential,  proprietary,  copyrighted  and/or legally 
> privileged, and is intended solely for the use of the 
> individual or entity named in this message. If you are not 
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> error, please immediately return this by email and then delete it.
> 


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