... -45 ports 4* Power: DC 12V,600mA KASDA KT102, the IP Phone applies: a SIP-based phone newly launched by Technologies ... share the same connection to a LAN or the Internet. IP Phone FeaturesThe comprehensive software features and superior voice coding performance ... .931¨ RTP/RTCP: RFC3550(Compatible RFC1889/RFC1990)¨ SDP: RFC2327¨ TCP/IP, PPPoE, DHCP, NAT, Bridge, IEEE802.1p/Q¨ SNMP,TFTP Voice ...