Best intercom systems SIP door phone for home/ building intercom security

Advantage:

• Voice Intercom: People inside door can talk to visitor and open door remotely;


• Doorbell function: Bell button with light, waterproof design;


• Door Control: Relay to door lock, can open door lock with any telephone inside once door phone connect to PBX;


• Directly call to present extension;


• Web management;


• Can be powered by PoE or adapter;
  


• Fully waterproof performance( a waterproof testing video at following link for your reference)
  

              //www.niteray.com/video/waterproof%20show.gif;

• Hard metal case: Aluminium alloy case