Over the weekend, I tried to order a pizza from Pizza Nova, using their 905-310-3300 number, but I consistently got a fast beep. I re-dialed using their 416-439-0000 number, and was able to order my pizza fine. Whew!
I put a ticket in to voip.ms, and this is what they said:
It seems that the numbers with 310 exchange are special numbers and they are not reachable outside from the area they are linked, the test we have made indicates that the numbers are not reachable from our network.
We apologize for this inconvenience.
So, quick heads up:
you can’t dial 310 numbers on voip.ms!
UPDATE (2011-04-12): 310 numbers seem to be working, see comments below.