[biot]

It looks like a rebranded OpenVBX which runs off of Twilio. If anyone has an account, it'd be easy to check... search for an available number in TellFi for a given area code and also do the same search in Twilio. If you find the same number in both places, there's your answer.

[ceelee]

It's not. We built this from the ground-up.

[runT1ME]

Can you talk at all about your infrastructure then? Is it powered by asterisks, FREEswitch, something else, ?

[thesis]

You think Twilio owns all of those phone numbers? They are most likely just using another API as well.