According to a voip.ms staff post in a thread from the VOIP Tech Chat forums they are in the process of moving the Toronto POP to a different provider.
See »Re: [Voip.ms] Voip.ms Toronto datacentre is down
said by MartinM:
We're currently in discussion with a new data center provider in Toronto and deal should be done by next week.
Our Toronto provider has not been up to customer expectation and therefore we're moving to a new one.
I can understand customer frustration and we're taking action about it.