These are full complete business telephone systems packages. They are all refuribished and will need someone to professionally install and program them. All systems come with the phone system and specified phones. You will need your own manual and instructions for programming/installation. You can download these at www.avaya.com or http://pdf.textfiles.com/manuals/.
If you have any questions on how to configure a phone system, add onto one below, or if you need more information please call us at 800-396-9699.