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.