Klaus Darilion wrote: > Hi! > > Consider the simple scenario: caller is dual-stacked and supports IPv4 > and IPv6. When creating the SDP, the caller does not know if callee use > IPv4-only, IPv6-only or is dual-stacked too. > > SIP probably is not an issue and will be done by the proxies - but what > about finding the proper IP version for the RTP session. Should the > caller announce 2 streams with different IP versions? Or should it try > one IP version first, and if the SDP is rejected retry SDP with other IP > version? > > Is this behavior somewhere described (best practice)?
See http://tools.ietf.org/html/draft-ietf-sipping-v6-transition-07. The draft is in RFC editor's queue. Thanks, - vijay -- Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent 1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60566 (USA) Email: v...@{alcatel-lucent.com,bell-labs.com,acm.org} Web: http://ect.bell-labs.com/who/vkg/ _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
