RE: [Sip] Support for Multipart/MIME

["Dan Wing" <[e-mail]>]

Paul Kyzivat wrote: 
...
> >    OPEN ISSUE 2: we know that we do not want two SDPs in a 
> > 'multipart/
> >    alternative', but is this valid generally with any content type?
> >    Would it be possible to provide two alternative body 
> > parts using the
> >    same format and, thus, the same content type but in, 
> > say, different
> >    languages?
> 
> Its my understanding that the distinction is based on which can be 
> understood, relative to Content-Type. It isn't apparent to me that 
> making this decision based on other attributes is valid. For 
> one thing the parts are supposed to be ordered by increasing 
> richness.  If they differed by language this wouldn't be true.

Multipart/alternative is the best we have, though.  And who is to say that
image/jpeg is richer than image/gif, or that english is richer than latin?  

Anyway, the following RFCs standardize the use of Content-Language and refer
to using multipart/alternative when providing support for multiple
languages:

  http://tools.ietf.org/html/rfc3282
  http://tools.ietf.org/html/rfc3066

-d



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