Background
Tristate is a large, fast-growing, vertically integrated enterprise with over 6,000 employees from diverse nationalities, operating across 9 countries. In its Vietnam clothing factory, the SPON IP PA System has been deployed to improve communication and efficiency. The system supports scheduled playback, local sound reinforcement, and remote announcements, helping enhance both corporate image and factory management. It also automates bell ringing at the start and end of shifts, ensuring orderly routines for all staff.