Ooma is the one home phone service that also monitors your home with do-it-yourself home security and the ability to remotely call 911 from your home phone number in the event of an emergency. Includes free home monitoring (for one sensor) and home phone service with unlimited nationwide calling, voicemail, caller-ID, call-waiting, and 911. Pay only applicable taxes and fees. Includes easy to install motion sensor with no wiring required.