Telephone Systems HyStar completes on-site surveys, evaluations and implementation of telephone system turn-key solutions for all your business Telephone System requirements. We provide the SOLUTION for state-of-the-art telephone systems that will increase your productivity. We provide the SOLUTION for maintaining your existing telephone system to get the most out of your current investment. We provide the SOLUTION for peripherals that will enhance your communication system. Some of the dealers we represent through our Authorized Dealerships are names you've come to know and depend upon ; HyStar provides options on peripherals, service and ongoing maintenance through our Authorized dealerships. Some options on peripherals include Vodavi and Nortel.