Product Highlights:
1) Audio apartment door phone
2) Connect office phone system via SIP
3) Stainless steel case
4) Speaker
Specifications:
1) Ethernet port: 10/100 Mbps
2) Protocol: SIP(RFC3261, RFC3262), IAX2
3) Power: POE(IEEE 802.3af, 48V) Adapter: DC 9V, 600mA
4)Network: Static, DHCP, PPPoE, VPN(L2TP), NAT, STUM, VLAN
5) Audio codec: G711 A/Ulaw, G792, G723.1
6) Operating condition: 0~40 degree
7) Relating humidity: 20% to 85%, non-condensing
Features:
1) People in office can talk with vistor or door control
2) Connect office phone system via SIP
3) Stainless VoIP door phone
4) Full metal case
5) Direct call to preset extension
6) Door access control
7) Adjustable speaker volume and microphone sensitivity
8) Doubles as a paging speaker
9) Auto-provisioning via FIP, TFTP
10) Web management
11) Peer-to-peer capable
Audited Supplier 
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