9. With 2 alarm inputs to connect the external buttons and 2 alarm outputs to control the flashing of the external alarm light on the terminal;
10. Support Sound alarm, the server will alert automatically when the environment volume exceeds a preset range continually.
11. Support tamper alarm, the server will alert automatically when someone open it during its normal working state.
12. Support standard ONVIF protocol which can be connected to NVR for recording
13. Support video talking without IP intercom server(Initiating and receiving)
14. Support SIP server using DNS
15. With a standard RJ45 interface supportive of crossing network segment and router, accessible to the system if the Ethernet is available.
System Architecture for IP Intercom