Features2 row x 16 character backlit displaySupports 3-line appearances with dual LEDsFixed feature buttons include volume up/down, mute, speaker, menu, hold, conference, transfer, drop, redialHigh-quality 2-way speakerphoneMessage waiting indicatorIntegrated headset jackReversible wedge stand for desktop and wall-mount useFirmware upgradeable8 personalized ring patternsDual Ethernet ports (PC pass-through port with voice priority)Static or dynamic address assignmentPower RequirementsCompatibilityThe Avaya 1603SW IP phone is compatible with IP Office R5.0 or higherAvaya Communication Manager R3.0 or higherIncludesRefurbishedLibrary Avaya 1603 1603SW 1603-I 1603SW I IP User Guide.pdf
