Features3 row x 24 character backlit display (3.5 inch diagonal)Supports 8-line appearances/feature keys with dual LEDs3 contextual soft-keysFixed feature buttons include four-way navigation cluster, volume up/down, mute, speaker, headset, menu, telephony application, hold, conference, transfer, drop, contacts, call log, redial, quick-access voicemailHigh-quality 2-way speakerphoneMessage waiting indicatorIntegrated headset jackDesk or wall mountable with optional wall mount adapterFirmware upgradeable8 personalized ring patternsDual Ethernet ports for connection of phone and collocated PC w/VLAN separationStatic or dynamic address assignmentPower RequirementsPowered via 802.3af Power over Ethernet or optional 5V local power supply (not included)CompatibilityThe Avaya 1608 IP phone is compatible with IP Office R4.2 or higherAvaya Communication Manager R3.0 or higherIncludes UnopenedLibrary Avaya 1608 1616 User Guide.pdf Avaya 1608 Quick Reference Guide.pdf
