Interalia® offers an extensive line of digital call processing and voice announcement solutions for call center announcements, call routing, music/message on-hold, automated attendant, attendant overflow, call screeners and public address systems. In addition, they offer products for airport terminal information systems and weather broadcast needs.

Inter-Tel Inter-Hold is a creative Inter-Tel service that provides customized audio programming for telephone hold. It is a proven revenue-producing, marketing and customer service tool. The professionally produced programs combine licensed music and personalized messages to educate callers and increase willingness to remain on hold.