Hello,
I have updated my OpenBSD port to support Kamailio 1.4.3
I sent the updated port to the ports@openbsd mailing list:
http://archives.neohapsis.com/archives/openbsd/2009-01/1107.html
In addition, the port is available here:
http://www.kamailio.org/pub/kamailio/1.4.3/packages/openbsd
Thanks to Henning Westerholt for putting the files up on kamailio.org