New Haven Business Phone Systems is the premiere Avaya business phone system partner in the New Haven area. We offer a wide range of Avaya business phone systems, including the Avaya IP Office 500, which is the workhorse of our Avaya lineup. Our technicians have been servicing the Avaya Partner Business phone system for over 20 years, and we also sell equipment for the avaya partner system replacement handsets, analog cards or replacement systems. We are your best option when evaluating local New Haven companies to purchase an Avaya business phone system from or to have service your legacy Avaya system. Contact us today to learn more about our products and services!