stevenz:andrewcnz:Can't you customer link the old number(the number you like!) before its disconnected? Then sort what voip provider you want to port it to after you move.
What is this "customer link" of which you speak?
Telecom link...
www.telecom.co.nz/content/0,8748,24317-202107,00.html
some geekzone forum links
http://www.geekzone.co.nz/forums.asp?forumid=40&topicid=73485
http://www.geekzone.co.nz/forums.asp?forumid=43&topicid=95600
It's one way to hold onto your phone number long enough so you can then port to another provider.