AVAYA Black 1603D01A-003 700458524 1603SW-I Phone

• Display: White backlit screen, 2.6 inches (2 rows by 16 characters).
• Line Appearances: 3 line/feature key buttons with dual-color LED indicators (red and green).
• Audio: Built-in 2-way speakerphone, volume control buttons, mute, redial, hold, transfer, and drop buttons.
• Network / Interface: Single 10/100 Ethernet line interface (though related SW models add a passthrough port for a PC).
• Protocol Support: H.323 protocol support with G.711, G.726, and G.729A/B codec options.
• Power: Powered via 802.3af Power over Ethernet (PoE) using an optional in-stand splitter or an optional local 5V power supply (typically sold separately).
• Language Support: English, French, German, Spanish, Italian, Dutch, Portuguese, and Russian.