Subject: Re: [MMUSIC] Question about v6 and V4 addresses in SDP for RTP

From: Magnus Westerlund <[email-masked]>
Date: Fri, 28 Apr 2006 09:57:35 +0200

Hi James,

This is described in RFC 4091 and RFC 4092:
ftp://ftp.rfc-editor.org/in-notes/rfc4091.txt
ftp://ftp.rfc-editor.org/in-notes/rfc4092.txt

Cheers

Magnus

James M. Polk wrote:
> Hey
> 
> Can a SIP INVITE, carrying SDP have a "c=" line include both a IPv4 
> address and an IPv6 address?
> 
> The intent is for the offerer to offer both choices, and the answerer 
> answer with IPv6 if they have that stack (or both stacks), and v4 if 
> they only have this one stack.
> 
> Is this example given/rules stated in any RFC?  I don't see this usecase 
> in 3264.
> 
> Is there a play on whether the "c=" line is above the "m=" line, or 
> within one/each media description?
> 
> _______________________________________________
> mmusic mailing list
> [email-masked]
> https://www1.ietf.org/mailman/listinfo/mmusic
> 

-- 

Magnus Westerlund

Multimedia Technologies, Ericsson Research EAB/TVA/A
----------------------------------------------------------------------
Ericsson AB                | Phone +46 8 4048287
Torshamsgatan 23           | Fax   +46 8 7575550
S-164 80 Stockholm, Sweden | mailto: [email-masked]

_______________________________________________
mmusic mailing list
[email-masked]
https://www1.ietf.org/mailman/listinfo/mmusic