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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]




On Oct 23, 2008, at 12:59 PM, 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.


Nope. Not only might you have multiple bodies per INFO, you might have several different MIME types that might be usable with a given info- package.

For example, an image push app might use image/jpeg, image/gif, image/ raw, etc. The package defines which type or types are allowed.

--
Dean


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