XY-504DP is new generation SIP door phone, with SIP protocol, it can be
easily deployed into IP telecommunication system, which is more and more
popular over the world. With this door phone, people can talk to visitor and
open door with their phones

Features:
◇ Stainless steel case.
◇ Metal wire drawing process face
plate.
◇ Waterproof Speaker and bell key.
◇ Relay to connect to door lock,
NO/NC relay mode.
◇ Relay time adjustable.
◇ Use SIP protocol, Easy to deploy.
◇ Directly call to present telephone.
◇ Volume control.
◇ High quality conversation voice.
◇ Full Duplex intercom.
◇ Auto Answer, Auto hand down.
◇ Powerful Web management.
◇ Auto Provision via FTP, TFTP.

Ethernet Port: 10/100mbps
Protocol: SIP
Power: PoE IEEE802.3af, 48V
Adapter: 12V1A
Network: Static IP, DHCP, PPPoE, VPN (L2TP/OpenVPN), NAT, STUN, VLAN
Audio Codec: G.711A/U, G.722, G.723.1, G,726-32,G.729AB
Operation Conditions: 0～40℃
Relative humidity: 20%-80%, non-condensing
Dimensions (mm): 30*108*162mm
Weight(Main Body): 652g
Packing weight: 1KG
Relay: NO and NC
Mounting hole pitch: Horizontal: 84mm; Perpendicular: 123mm