This document describes a 5-zone IP network audio system for offices, schools, and hotels. It includes a touchscreen PC server, IP network audio software, audio sources, IP network paging microphones, IP network audio adapters with amplifiers, IP network amplifiers, ceiling and wall mount speakers, and a LAN switch to set up the system over a network. The system provides multi-room background music, paging to specific or all zones, and two-way intercom capabilities using minimal equipment and wiring for low installation and expansion costs.