On May 15, 11:24*am, Tony Hwang wrote:

Can you call out 911 for emergency and the 911 dispatcher will know
where you are calling from like land line?

Yep. It has to be registered, and if you move and take the line with
you, you have to re-register. You also need a UPS or other form of
battery backup so you won't lose phone service during a power outage.

R