Avaya 4621SW IP Telephone - Refurbished

Multi-line digital telephone for use with systems running Avaya Communication Manager 24 programmable feature keys 10 fixed feature keys - Speaker, Mute, Drop, Hold, and Volume Up & Down Large graphical gray-scale backlit display (168 x 132 dots) 3 fixed feature keys below display - Conference, Transfer, Redial 3 application buttons - Speed Dial, Call Log, Web Browser Integrated switched ports for PC connection Full-duplex speakerphone Feature Key Module (FKM) interface jack Integrated headset jack Infrared port to support PDA dialing and additional future applications Multiple language support built-in 8 personalized ring patterns Message waiting indicator 10/100 Base T Ethernet connections DHCP and Static IP Clients G.711, G.729A/B voice coders Support for SNMP version 2 Voice media encryption using AES QoS options of UDP Port selection, Diffserv, 802.1p/q Power Options: IEEE 802.11af Power over Ethernet (PoE) or optional individual power supply unit (1151C1/C2). Requirements