[oclug] POTS -> SIP providers in Canada?

[miden]

At band camp, one time, Mark Harrison (Groups) said:
> 
> The reason for my question - is there anyone who offers such a POTS -> 
> SIP service giving a Canadian number? There would, I'm sure, be a lot of 
> interest in SIP over here if I could show how someone working out of 
> their bedroom could appear to have a London Office and a North American 
> office....

I'd be interested in this answer too. I would also be interested in 
knowing if there is any way to determine if a company or individual is 
using a service like this - say a company or individual in Moscow, 
Albania, Nigeria?

-m