Hmm so it is a catch 22... toll free numbers were created to in theory make it so that when you called that number it was a local call instead of a toll call (long distance)

When you call a toll free number with a cell phone, you bet that counts against the minute usage

I think there is a misconception by the user on this... now if VOIPo really does not charge usage fees on an outbound call to a toll free number, who is eating that cost?

An outbound call is an outbound call does not matter what number is called unless it is a call to a country or area that becomes a Toll call.

I speak from experience in working with a Telco handling PUC escalations. Believe it or not if you have a metered plan with a Telco then yes calling toll free does count towards that meter.

Though I understand your situation, your customer is actually wrong in this instance and the PUC would actually back you.