We currently list 3 providers in the US making money terminating
internet to PSTN toll free calls. Unfortunately due to the way the North
American phone system works you can't tell if you can dial a +1 toll
free number via these providers without actually dialling it and seeing
what error codes you get back.

I don't know of any providers offering this for Canadian toll free
numbers so I can't redirect the calls even if we do know which numbers
are for which country.

In any case I think there is a partial solution to this long vexing
problem. I've extended the Non-Geographical Numbering system of e164.org
to accept +18(00|66|77|88) XXXXXXX non-geographical numbers which can be
pointed via a TEL: URI to a geographical number, or an alternative
non-geographical number, or a 'novoip' record which is just a place
holder to override the wild card record.

-- 

Best regards,
 Duane

http://www.freeauth.org - Enterprise Two Factor Authentication
http://www.nodedb.com - Think globally, network locally
http://www.sydneywireless.com - Telecommunications Freedom
http://e164.org - Global Communication for the 21st Century

"In the long run the pessimist may be proved right,
    but the optimist has a better time on the trip."

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