4 dec 2012 kl. 14:42 skrev Raphael Coeffic <[email protected]>: > > On 04.12.2012, at 07:27, Olle E. Johansson wrote: > >>>>> by the way, cisco ios gateways implement ANAT (rfc 4091), which allows >>>>> sdp stream contains both ipv4 and ipv6 media address. that would be >>>>> useful in sems outbound calls too. >>>>> >>>> Yes, indeed. In the RFC it says: "obsoleted by RFC5245 (ICE)". Do you >>>> think I could still consider it as relevant, or just as legacy? >>> >>> there are lots of legacy sip clients that don't support ice (which is >>> very complex to implement). if sems would use anat to include both >>> addresses in sdp, then the sip proxy that forwards the call and knows ip >>> version of callee, could easily strip the other address away and callee >>> would receive a normal non-anat sdp. >> >> There is a discussion on the SIP forum IPv6 list (which you should subscribe >> to :-) ) >> about re-instating ANAT. It's a simple fix compared with implementing ICE. > > Yes, this is what I think as well. ICE is a kind of overkill for choosing > between IPv4 and IPv6… > Concerning the list, I'm not sure I should subscribe, as you would loose the > chance of informing me of latest development ;-)
he he. I do need people like you and Juha on that list. :-) /O _______________________________________________ Semsdev mailing list [email protected] http://lists.iptel.org/mailman/listinfo/semsdev
