SIP Door Entry Control Unit - Buttons dial an extension or group when pressed - Each button can be programmed to call different numbers/groups - Backlit buttons - Two internal SPDT relays for controlling a door opener or light etc. - Relays controlled individually by DTMF ...
expand for more detail + SIP Door Entry Control Unit - Buttons dial an extension or group when pressed - Each button can be programmed to call different numbers/groups - Backlit buttons - Two internal SPDT relays for controlling a door opener or light etc. - Relays controlled individually by DTMF tones - SIP Protocol - IP camera to view real time video on a computer or compatible IP Phone - Talk to callers, look at callers, then open the door using optional door release - Camera permanently operational, not just during calls
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