The hang up and call buttons occupy the same space. This is not ideal as, most often both parties will attempt to end calls at the same time, resulting in a new accidental call because when the other party ends the call first, the button changes from the red hang up to the green call button leading to an immediate return call.
The hang up and call buttons occupy the same space. This is not ideal as, most often both parties will attempt to end calls at the same time, resulting in a new accidental call because when the other party ends the call first, the button changes from the red hang up to the green call button leading to an immediate return call.