Avaya 5621 IP Telephone-Refurb

Features

• 24 Programmable Feature Buttons - Provided in 2 switchable display pages of 12 matching the 12 physical display buttons
• Display - 7 line x 29 character backlit display for improved contrast. Standby mode turns off backlight after time-out.
• 10 Fixed Feature Buttons- Conference, headset, transfer, drop, redial, speaker, hold, mute, volume up and down
• Message Waiting Indicator - Provides notification of incoming voicemail messages
; also used as ringing call alert indicator
• Speakerphone - Two-way hands-free speaker and microphone
• Embedded Applications - Speed Dial List (104) and Call Log (Missed, Incoming, Outgoing). Also includes WAP WML browser.
• Upgradeable Firmware - Downloadable software for future upgrade compatibility
• Expansion - Supports the EU24 DSS expansion module (with additional Avaya 1151 series power supply)
• Desk or Wall Mountable - Includes adjustable desk stand
• Ethernet Ports - Two port full-duplex 10/100 BaseT Ethernet switch for PC pass through connection. Auto negotiation provided separately for each port, 802.3 Flow Control, phone has priority over PC at all times
• Integrated Headset Socket
• 8 Personalized Ring Patterns
• Hearing Aid Compatible
• Codecs - G.711, G.729a/b
• QoS Options - UDP Port Selection, DiffServ and 802.1p/q (VLAN)
• IP Address Assignment - Static or dynamic
• SNMP Support

5621 IP Telephone Requirements and Compatibility

• IP403/406/412/Small Office Edition - Version 1.3 or higher with available IP Station Port
• Power Supply - IEEE 802.3af Power over Ethernet (PoE) or individual Avaya 1151 series power supply unit