Advanced Simulation Technology (ASTi) is a company that provides audio and communication solutions for training, simulation, and operational applications. Its products include the Voisus, a communications and sound system for live, virtual, and gaming needs; the Telestra, an audio and communications tool for modeling and simulation; Solo, a virtual comms and radio environment application for portable and plug-and-play interoperation in PC-based training, etc. The company caters to the military, aviation, and commercial sectors.