What is meant by "virtually unlimited calls"

[Xponder1]

What does the residental plan mean exactly when it says virtually unlimited calling. Is there some sort of limit imposed or does it just mean something such as international calls are excluded.

Thanks

Kev

I think it has something to do with the fact they watch the accounts for trends that would indicate it was being used for a business instead of a home and they can terminate your account without a refund for it. But I am just guessing ...