--On 03 June 2004 01:15 +0200 Jiri Kuthan jiri@iptel.org wrote:
In RFC3261, use of Contacts is mandatory. That's not the case in RFC2543 which was a bug.
Ah! the final part of the jigsaw. The SIP book (written by an RFC author) seems to predate RFC3261 (at least in parts). Thanks. Now all sorted I think.
Alex