If you're looking for an intercom system that integrates with your
existing telephones in your home or business, then this Doorbell Phone is your
answer. It works with both standard home telephones and telephone
You can answer up to two doors or gates from any telephone.
Operation is simple. When a visitor presses the button on the door
box, the telephones will ring with a distinctive ring to let you know
someone is at the door. Just simply pick up the telephone and you are
automatically connected to that door.
If you're on the telephone and a visitor comes to your door, you will
hear a distinctive call-waiting tone. Press the "flash" key or hook
switch on your telephone and the built in call-waiting on your Doorbell
Phone will switch you to the door and place your outside call on hold.
When you're finished talking to the door phone, just press the "flash"
key or hook switch and connect back to the outside call. If you know how
to use a telephone, you know how to use Doorbell Phone!
Installation is simple too. It installs using a single pair of wires.
You can tap into your existing doorbell wiring so you won't need to run
new wires to the door. Once installed, there is no programming and no
codes to memorize.
If you install an electric door latch, you can unlock the door by
simply hitting the star (*) key on your telephone keypad.
Doorbell Phone Installation Guide