The Panasonic KX-NT556-B Black 6-Line Backlit LCD IP Phone is an executive-grade IP telephone featuring a six-line backlit LCD, 36 programmable keys, HD wideband audio, and a full-duplex speakerphone. With dual Gigabit Ethernet ports, PoE support, headset and EHS connectivity, and compatibility with multiple Panasonic business communication systems, it provides a flexible solution for professional office environments.

• 6-Line Backlit Display: 24-character graphic LCD with adjustable contrast and four soft keys for clear call and menu navigation.
• 36 Programmable Buttons: Three pages of 12 programmable keys provide flexible access to extensions, features, and frequently used functions.
• HD Wideband Audio: G.711, G.722, and G.729a codec support with a full-duplex speakerphone, handset mute, and hearing aid compatibility.
• Gigabit Network Connectivity: Two Gigabit Ethernet ports with Power over Ethernet support for streamlined network and power connections.
• Broad Panasonic Compatibility: Designed for KX-TDE100, KX-TDE200, KX-TDE600, KX-NS700, KX-NS1000, and KX-NSX2000 systems; supports the KX-NT505-B DSS Console.
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