I'm sorry; I think my response took the wrong tone. It was meant to be rhetorical, and principally in response to the initial query. I apologise for the misunderstanding.
-- This message was painstakingly thumbed out on my mobile, so apologies for brevity, errors, and general sloppiness. Alex Balashov - Principal Evariste Systems LLC 260 Peachtree Street NW Suite 2200 Atlanta, GA 30303 Tel: +1-678-954-0670 Fax: +1-404-961-1892 Web: http://www.evaristesys.com/ On Nov 22, 2011, at 5:27 AM, Brez Borland <[email protected]> wrote: > Hi Alex, > > But that's what I said, these are two separate channels and can be done over > IPv4 and IPv6. > > > Regards, > > Brez > > On Tue, Nov 22, 2011 at 9:47 AM, Alex Balashov <[email protected]> > wrote: > Curious, why not? In principle, if the endpoints support IPv6 for media, why > can't that be described in an SDP body transmitted over IPv4? > > Is it not the very purpose of the separation of the signaling and bearer > plane to be able to enact this kind of functional decomposition between > signaling agents and media gateways? > > -- > This message was painstakingly thumbed out on my mobile, so apologies for > brevity, errors, and general sloppiness. > > Alex Balashov - Principal > Evariste Systems LLC > 260 Peachtree Street NW > Suite 2200 > Atlanta, GA 30303 > Tel: +1-678-954-0670 > Fax: +1-404-961-1892 > Web: http://www.evaristesys.com/ > > On Nov 22, 2011, at 4:25 AM, Brez Borland <[email protected]> wrote: > > > Hi Michael, > > > > SIP is signalling, and SDP describes the media session. These are two > > separate channels. I can't see SIP being done through IPv4 and media > > session over IPv6 to be a problem. This is theory. But can anybody comment > > from their experience? > > > > > > Regards, > > > > Brez > > > > > > On Mon, Nov 21, 2011 at 5:06 PM, Michael Lui (milui) <[email protected]>wrote: > > > >> Hi experts, > >> > >> > >> > >> Is it valid/legal to IPv4 control channel and IPv6 data channel? > >> > >> For example, the INVITE exchange is in IPv4 but the IP addresses > >> specified in SDP is IPv6. > >> > >> > >> > >> I don't think this is common but If allow, what is the practical > >> scenario? > >> > >> > >> > >> Thanks, > >> > >> Michael > >> > >> > >> > >> _______________________________________________ > >> Sip-implementors mailing list > >> [email protected] > >> https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > >> > > _______________________________________________ > > Sip-implementors mailing list > > [email protected] > > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
