IP Door Intercom Voice intercom: people in house can talk to the visitor and open door, it's also available trandfering the conversation to another people.Door bell: a door bell key on the face plate, when visitor press it, the door phone will make a call directly to your phone or the reception. Door control: come with a relay to connect to electronic door lock, support remote password to open door.Directly call to present extensionWeb management: setting up parameters on internet web page.Waterproof: Fully waterproof featureHard metal case: aluminium alloy and stainless steel case materials Keys Description Bell button Power status indicator Mic SpeakerSetting Connect to the network Obtain DHCP IP address SIP set up Voice intercom setting Door access functionVoice intercom Answering calls Making a call Hanging up Call log Door access Remote control by phone to open doorEthernet port 10/100 MbpsProtocol SIP & IAX2Network Static,DHCP,PPPoE. NAT,STUN,VLANAudio codec G711 A/uLAW, G729, G723.1Echo cancellation Full-duplex systemRelative humidity 20% to 85%, non-condensingOperating conditions 0 ~ 40 degreeCase materials Aluminium alloy, stainless steelPower PoE or adapter (12V)Size 155*100*34mmWeight 700g