... share the same connection to a LAN or the Internet. IP Phone FeaturesThe comprehensive software features and superior voice coding performance ... , web and ManageCenter¨ Plug and play (PnP), identical to legacy phones on placing and answering a call¨ Voice quality almost the ... 931¨ RTP/RTCP: RFC3550(Compatible RFC1889/RFC1990)¨ SDP: RFC2327¨ TCP/IP, PPPoE, DHCP, NAT, Bridge, IEEE802.1p/Q¨ SNMP,TFTP Voice ...