This is the Ooma Telephone System that cuts down your telephone bills to less than $5 every month. (It has 3 additional phones to put in bedroom, office room, kitchen etc. ) if you want only one phone then the price will be $100. With all 3 phones , it will be $130. It has ‘connect to cell phone’, Bluetooth, answering system etc special feature. Basic is less $5 and prime member charges about $16 a month for using special features. Most inexpensive phone system with multiple phones!