Merlin telephone systems are solid and reliable systems with the phone features a growing business needs out of a office telephone system. AT&T Merlin systems are a great low cost solution for a office system. UsedphonesOnline.com has complete Merlin systems ready to use. Refurbished to factory standards, these Merlin telephone systems all come with a Warranty. Buy online using or secure shopping cart or call us toll free, 1-866-363-8733. These systems are complete and ready for use. Includes everything you need!