United Telephone Co. specializes in new and refurbished phone systems for AT&T/Avaya.   80% of our sales and service are for AT&T/Avaya systems, including:      •  Partner Advanced Communications System (ACS)    •  Merlin Legend    •  Merlin Magix We service, move and expand most makes of new and refurbished business phones including Inter-tel, Panasonic, Vodavi and more. We also supply interconnect equipment in Colorado and nationally on an emergency parts basis.   United Telephone Co. has built its reputation on customer service and low prices. We service our own clientele of approximately 600 clients. We also offer service to companies where the original provider is no longer in business or is offering unsatisfactory service.   You can trust us to take care of your new or refurbished phone system needs. If we don't have the expertise in-house, we will happily refer you to one of our associate companies.   New and refurbished phone systems for every business, every budget!