Business Communication Systems must provide quality, flexibility, value and function to meet current and future needs. We are proud to install the Avaya switches.

TNSI has the training and experience to install your telephone system, meeting all due dates with a product guaranteed to satisfy.

We install systems all the way from small electronic key systems to large PBXs.

Our service includes Moves/Adds/Changes on existing systems either on a dispatch basis or via full or part time dedicated technicians.

Voice Mail: TNSI can supply voice mail systems providing real solutions that will enhance your business's performance.

Overhead Paging And Intercom Systems: TNSI will design, install, and maintain overhead paging systems and intercom systems for both office and plant environments guaranteeing the same commitment to quality and service on all of our systems.