If you ever lose your iPhone, otherwise you can sign your account in another iPhone - or if your iPhone was already shared with another iPhone user - and you maked yourself iPhone): If someone happens to finding your phone, they can answer the call from the lock screen of your mobile phone and speked to you!
If you ever lose your iPhone, you can sign into your account on another iPhone - or if your iPhone was already shared with another iPhone user - and call your iPhone. If someone happens to find your phone, they can answer the call from the lock screen of your phone and speak to you!