Locate the input telephone jack on the back of your security system. Consult your user manual if you cannot locate it.
Connect the other end of the telephone jack into the phone input jack of your telephone. Connect the AC adapter to your security system and plug it into the wall.
Follow the directions in your user guide for programming contact numbers into the alarm system. You should include a trusted family member and the local police at a minimum.
Select a contact from your list on your home security system. Press the “Dial” number. Your home security system will dial the number and let you communicate with the contact through the speaker.