1. VoIP SIP 2.0
2. Big Red button with braille
3. Big Red button with luminous ring indicate ring/set-up calling/speakering/on/off.
4. Push to call. Bidirectional calls in full-duplex communication with control center.
5. With built-in big speaker in 3W. Very big sound suitable for noisy area.
6. Stainless steel 304 body, vandal & tamper-resistant hardware, easy Installation.
7. Waterproof rating IP66 dust proof.
8. POE power supply or DC12V.
9. Temperature range from -25 degree to +70 degree.
10. With Dry contact signal output for CCTV interface optional.
11. Support echo cancellation.
12. Remote software upgrade, configuration and monitoring.
13. Call pillars at stops with emergency stop button optional
14. Application: Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant, bridge etc