Re: draft-ietf-sip-info-events-00: Content-Type vs Info-Package [was RE: draft-ietf-sip-info-events-00: multiple packages per INFO]

Paul Kyzivat <[email protected]>
Newsgroups gmane.ietf.sip
Message-ID <[email protected]>

Christer Holmberg wrote:
> Hi,
>  
> Let's assume I want to send an INFO with package foo.
>  
> The value of the Info-Package header is "foo", right?
>  
> Now, what is the value of the Content-Type header?

The package could support a number of content types: image/jpeg, 
text/plain, multipart/related, ...
Anything that the definition of the package says is allowed.

At least that is how I think Eric intended to to be.

	Paul

> Is it something which is generic for all info packages (e.g. application/info), OR is it something which is specified in the foo package description?
>  
> Regards,
>  
> Christer
> 
> ________________________________
> 
> From: Paul Kyzivat [mailto:[email protected]]
> Sent: Thu 23/10/2008 20:21
> To: Christer Holmberg
> Cc: Dean Willis; SIP IETF; Eric Burger
> Subject: Re: [Sip] draft-ietf-sip-info-events-00: Content-Type vs Info-Package [was RE: draft-ietf-sip-info-events-00: multiple packages per INFO]
> 
> 
> 
> Christer,
> 
> I don't understand where you are heading with this?
> 
> If I want to send an INFO with a jpeg, then what is this other mime type
> doing other than getting in my way.
> 
> OTOH, we haven't discussed Content-Disposition wrt INFO. In the absence
> of any mention, I assume that "render" will be used for info packages,
> and the detailed processing defined by the Info-Package value.
> 
> In some sense, the Info-Package value is serving the same purpose as
> Content-Disposition. We could *consider* using the C-D *instead* of the
> Info-Package header, so that what we would be negotiating would be the
> acceptable C-D values. The downside of that is that we would then need
> to open up the registration of new C-D values. I think that might be
> opposed by a lot of people.
> 
>         Thanks,
>         Paul
> 
> Christer Holmberg wrote:
>> Hi,
>>
>>>> Shouldn't we use Content-Type to indicate what is in the message body?
>>>> After all, we may need Content-Length etc.
>>> Ah, no.
>>>
>>> We had extended conversations on this earlier.  Content-Type tells you
>>> what's in the body; it just doesn't tell you what to DO with the body.
>>>
>>> What, for example, is the purpose of an image/jpeg in an INFO?
>> That is not what I meant.
>>
>> We can use the Info-Package header, but can't we use a generic mime value - which tells us that there is an info package in the body.
>>
>> Regards,
>>
>> Christer
>>
>>
>>
>>
> 
> 
> 
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