The IPv6 issue was discussed on the sip list in December 2008. Here are a few of the links.
http://www.ietf.org/mail-archive/web/sip/current/msg26321.html http://www.ietf.org/mail-archive/web/sip/current/msg26325.html http://www.ietf.org/mail-archive/web/sip/current/msg26338.html http://www.ietf.org/mail-archive/web/sip/current/msg26339.html http://www.ietf.org/mail-archive/web/sip/current/msg26352.html http://www.ietf.org/mail-archive/web/sip/current/msg26355.html _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
