Yealink sip-t30p ip phone
highlights
audio: yealink hd voice with smart noise filtering; opus codec support.display: 2.3-inch \(132\times 64\)-pixel graphical lcd with accounts: 1 sip account.networking: 2-port 10/100m ethernet switch.power: integrated poe (ieee 802.3af), class 1; optional 5v dc adapter available.conference: local 5-way conferencing.headset support: rj9 headset port; supports ehs35.management: ydmp/ymcs support; auto-provision via ftp/tftp/http/https.physical: wall-mountable; adjustable stand with 2 angles.