Originally Posted by MEANlowGREEN
If you travel with a small dog Like I do the doorbell will be plenty loud enough... My Jack Russell Kirby can hear it ring even when I don't and he instantly goes berserk. In fact he even barks when someone rings a doorbell on TV but I can distinguish the TV doorbells from my own even if Kirby can not. Fact is I normally can hear the doorbell just fine but it is definitely muted, I'm sure you can find a better spot for it if you wish to.
We have a German Shepard and she barks when she hears the doorbell ring on TV! So I guess it is a dogs and doorbells thing.