[MiddleEndian]

>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.

[apparent]

You don't want to be able to communicate with your doctor, kid's teacher, someone who is coming to repair your home, a neighbor who just moved in, etc.?

[MiddleEndian]

Eh they can be added to my contacts and then fall under "friend" I guess lol