Stephen Paterson wrote:
> Hi all,
> 
> I can't find this in the specs. 
> 
> I receive an offer with a single media description whose connection address 
> is given within that media description (i.e. the 'c=' is after the 'm=').
> My question is:
> Is it valid to answer such an offer with the 'c=' given at session level 
> (i.e. before the 'm=' line)?

Certainly this is legal. Offer/answer doesn't place any constraints on 
where the c-lines go beyond what SDP does.

        Paul

> It seems to me that it should be perfectly valid but I have a situation like 
> this where the audio is only one way. I do not know if this is what causes 
> the one way audio but at the moment I can't see any other reason for it - 
> there's no NAT involved and the rest of the signalling looks perfectly normal.
> 
> Regards
> 
> Steve
> 
> Steve Paterson
> Software Engineer
> Aculab
> Tel: +44 (0) 1908 273866
> Fax: +44 (0) 1908 273801
> Email: mailto:[EMAIL PROTECTED]
> Website: http://www.aculab.com  
> 
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