[VoiceOps] Canadian Toll Free

Ryan Delgrosso ryandelgrosso at gmail.com
Tue May 6 23:27:42 EDT 2014

Our solution is less than elegant but seems to be working. We do a check 
in translations and if the source NPA is canadian and the destination is 
TollFree we then punt it to a termination trunk we have with a canadian 

We use Thinktel for this. They have been a solid partner and have been 
easy to work with.

Hope that helps


On 05/06/2014 12:03 PM, PE wrote:
> Greetings VoiceOpers,
> There are a handful of US SIP carriers who offer the promise of doing 
> business in Canada with Canadian DID's. The challenge we've seen is 
> that when you call some toll free numbers from those Canadian DID's 
> the call gets blocked by the far end, presumably because the switching 
> equipment is in the US. No issues dialing the same numbers from the US.
> We've attempted to deliver these calls over numerous different 
> carriers with the same results. Talking with some of these carriers, 
> we're told this is a known frustration and noone seems to have a way 
> around it. The only thing that has helped even a little is if the 
> customer is willing to use a toll free number as the Originating ANI, 
> but even then it is spotty.
> We're not trying to do any sort of toll bypass or anything unsavory. 
> Just want to be able to serve US customers who happen to also have 
> some Canadian locations.
> Anyone have a solve for this?
> Thanks,
> Pete
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