January 30, 2006
Expert Technology Associates Named #1 Dealer by Inter-Tel

Plymouth Meeting, PA - January 30, 2006 --- Today, Inter-Tel, Incorporated (Nasdaq: "INTL"), a leading provider of voice and data communication solutions for business services announced that Expert Technology Associates (ETA) had ranked as #1 among single location Dealers and was the second largest Inter-Tel Dealer in the world in 2005.

Additionally, Inter-Tel noted that ETA, at this time, has achieved the highest number of advanced technical certifications including Cisco's CCNA and Converged Telephony Professional (CTP) of all Inter-Tel Dealers. Robert DiGangi, Vice President of Sales at Inter-Tel stated "ETA's dedication to continuous learning, having been proven over the years, certainly sets the stage for their ongoing ability to perform at a very high level for their customers as Voice Over IP technology continues to combine the "worlds" of voice and data." Sam Sklaroff, President of ETA commented "working with Inter-Tel has provided us with the ability to deliver state-of-the-art solutions to our clients whether they are a small business in need of a phone system or a large organization that requires a converged communication platform leveraging IP, wireless, digital and analog technologies." Sklaroff added "our industry is changing so quickly and we are proud to partner with Inter-Tel who is helping to lead some of those changes."

About Inter-Tel, Incorporated Inter-Tel (Nasdaq: INTL-news) offers 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 packages. An industry leading provider focused on the communication needs of business enterprises, Inter-Tel employs approximately 2000 communications professionals, and services business customers through a network of 59 company-owned, direct sales offices and over 350 authorized providers in North America, the United Kingdom, Ireland, Australia and South Africa.