Product Features:

1. Professional SIP Call Station to control and make announcement to all devices in the system.
2. Adopt high-speed industrial grade chip, startup in less than 1s
3. Support zone paging, and the red indicator will light up when talking
4. Built-in speaker for monitoring and intercom
5. With audio output for external active speaker
6. With audio input for external audio source to target terminals
7. Support offline talkback (without server)