Founded in 1969 by Steven G. Mihaylo, chairman of the board, Inter-Tel has grown from providing simple business telephone systems, to offering value-driven communications products; applications utilizing networks and server-based communications software; and a wide range of managed services that include voice and data network design and traffic provisioning, custom application development and financial solutions. An industry-leading provider focused on the communication needs of business enterprises, Inter-Tel employs over 1,900 communications professionals, and services business customers through a network of 59 company-owned, direct sales offices and over 350 authorized providers in North America and 60 resellers in Europe.

Moving toward the multimedia, virtual enterprise environment, Inter-Tel’s hardware solutions; Presence Management applications; and VoIP, IP and SIP technologies development; reflect our commitment to grow with our customers. With a legacy of technological innovation and leadership, we continue to seek out new solutions, resources and alliances that enable us to empower enterprises to improve business processes time and time again.