Re: [Sip] draft-ietf-sip-body-handling-03

[Dale.Worley at comcast.net]

   From: Paul Kyzivat <pkyzivat at cisco.com>

   > Section 12.1 makes it clear that for multipart/alternative, only the 
   > handling property for the selected alternative matters.

   So you are saying that a multipart/alternative may have several parts 
   with handling=required, and that I only have to be capable of handling 
   the part I choose?

RFC 3459 uses multiparts in a somewhat different way that SIP does.
In SIP, the I-D suggests that components of a multipart/alternative
should have handling=optional and that the processor should ignore the
handling parameter:

	The UA SHOULD also set the 'handling' parameter of all the
	body part within the 'multipart/alternative' to 'optional'
	(the receiver will process the body parts based on the
	handling parameter of the 'multipart/alternative' body; the
	receiver will ignore the handling parameters of the body
	parts).

	The receiver SHOULD ignore the handling parameters of the body
	parts within the 'multipart/ alternative'.

Dale
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