Is not free for Business use. It is $50 one time.
Depends if you are using only one or not. At $199/year (retail) it seems expensive $199/12 = $16.58 / month
I posted a breakdown in another thread
Also this…
Finally, if you go with something like ZoIPer, you will want to pay for their push service, because otherwise you will not get calls. This is why everything we listed has cost. Because you said modern and reliable.
Edit: and a birdie told me that my long standing complain about such a high minimum purchase (20 seats) is finally going to be changed Soon TM.