Sometimes Answering the Phone Can Be Critical. How did you miss another phone call? I’ll tell you how. The TV was blaring your guests were laughing out loud or your phone was on the vibrate setting. Or maybe you just didn’t hear the phone ring. Whatever the reason it’s bound to happen from time to time. We relate to your predicament in more ways than one which is why we’ve designed the CR200. Simply connect your signaler to your phone and upon receiving calls you will find yourself picking up on more signals than one.