I have a pppsetup script that runs under netbsd it like really works. I
ported it from a linux script that I swear by , this should solve your
problem , if youd like ill mail it to you its rather samll and it includes
the neccesary files you will need like dialog . 

cheers!

Tony Hernandez

dbsaint@bellsouth.net ; tony.hernandez@intellon.com