, VoIP Phone with PoE support Support Call Control Protocol SIP, Russian menu, P2P connections 2- 10/100BASE-TX Fast Ethernet Acoustic echo cancellation(G.167) QoS IEEE 802.1Q
VoIP Phone, 1 10/100Base-TX WAN port and 1 10/100Base-TX LAN port.Call Control Protocol SIP, Russian menu, 4 independent SIP line with backup proxy server, P2P connections, 802.1
VoIP Phone with PoE support, 1 10/100Base-TX WAN port and 1 10/100Base-TX LAN port. Call Control Protocol SIP, Russian menu, 2 independent SIP line with backup proxy server, P2P