> There's also a free plan where Tin Can users can call only other Tin Can users.
So you have to pay a monthly subscription for this, in addition to $75 for each phone, if you want to talk with anyone outside of their walled garden?
A monthly fee for a phone service sounds pretty normal to me?
i mean you do for any phone line
>walled garden
Makes sense to me. Ideally, people outside of my friends and family would not be able to call me on my regular phone either.