Ooma Telo Free Home Phone Service. Works with Amazon Echo and Smart Devices Crystal - clear nationwide calling for free and low international rates. Pay only monthly applicable taxes and fees. # 1 rated home phone service for overall satisfaction and value by a leading consumer research publication. Ooma Telo works with Ooma Home Security sensors to monitor your home and contact you when activity is detected. PureVoice HD delivers superior voice quality for a consistently great calling experience. Includes nationwide calling, voicemail, caller-ID, call - waiting, 911 calling and text alerts. Download the Ooma Mobile HD app and take your Ooma service on-the -go. Easy install in minutes; works with your high - speed Internet and any home phone. Backed by 30-day money-back guarantee and extendable 1-year warranty with 24/7 customer support. Keep your current number for a one-time fee or choose a new number in any available area code for free. Note: The Activation code is on the bottom/back of the actual hardware which is Ooma Telo. Refer to the PDF attached below in Technical Specification for User Manual