Yealink T40P IP Poe PhoneThe Yealink SIP-T40P phone delivers HD audio through the handset and the speakerphone. Calls are incredibly clear and productive, supported by Yealink Optima HD voice technology with acoustic echo cancellation, adaptive jitter buffer and more. The phone also features a headset port and EHS port for supporting handsfree telephony. Operate the phone with SIP-based phone systems such as 3CX and Asterisk, ready for most standards-based environments.Three dual-color LED line keys are located on the phone’s face. Use these keys for features such as busy lamp fields, speed dial and presence information. Five dedicated feature keys support message, headset, mute, redial and speakerphone functionality. Power this three-line VoIP phone through PoE or an optional AC power supply. The Yealink SIP-T40P phone includes dual switch ports with PoE support.Yealink T40P 3-Line VoIP Phone Quick Specs: Connectivity Type: IP/VoIPProtocol Support: SIPLine Appearances: 3Switch Ports: 2x 10/100 EthernetPoE: 802.3af Class 2 compliantAddt’l Ports: RJ9 headset, RJ12 EHSDisplay: 2.3” backlit LCDSpeakerphone: full duplexLocal Conferencing: 3-wayAudio Codecs: G.722, G.711A/u, G.729AB, G.726Voice Quality: wideband, narrowbandEnhancements: QoSEcho Cancellation: yesWall Mountable: yesExpansions: N/A Yealink SIP-T40P Desktop IP Phone Package Contents: Yealink SIP-T40P phoneHandset and cord
