*Unlimited calling across the U.S., Canada and Puerto Rico for customers with standard Digital Phone service. Digital Phone does not include back-up power and, as in the case with an electric-powered home cordless phone, should there be a power outage, Digital Phone, including the ability to access 9-1-1 services, may not be available. Additional charges apply for taxes, fees, Directory Assistance, Operator Services and calls to International locations. Offer valid for residential customers in Digital Phone serviceable areas.