I haven't seen a carrier hunt a last line of hunt to a first line. Maybe in Canada but a circle hunt request here would get you a NO. Your local carrier's switch could probably do this but I don't think AT&T/Verizon would do it but you could always ask, most anything is possible.

If you know how to get to tables in vm programming it is easy to set the number of rings.

Yes BIX, I just moved a large MICS to a new site where the former tenant had a MICS and used BIX.

( Edited out as it was deemed as baiting )

Canada is a nice country to visit but I wouldn't want to punch down there.

THE Bracha, old blond specialist in Rube Goldberg solutions.