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Product Information

Version: 2.0.0Built Date: 02/09/2026

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About this product

The Panasonic KX-NT553-B is an IP Proprietary Telephone designed for use with compatible Panasonic PBX systems, including the KX-NS1000, KX-NCP500, KX-NCP1000, KX-TDE100, KX-TDE200, and KX-TDE600. It is not a standalone phone and requires an operational Panasonic PBX to function. The phone features a 3-line graphic backlit LCD display (242 x 55 pixels, 24 characters per line, 4 contrast levels) with 12 self-labeling flexible CO buttons organized across 2 pages, providing 24 total programmable keys. Four soft keys and a full navigator key set allow quick access to call features and system menus. The wideband-compliant handset is Hearing Aid Compatible (HAC, TIA-1083) and supports G.722, G.711, and G.729A audio codecs. A built-in full-duplex speakerphone with 8 volume levels enables clear hands-free communication. Two Gigabit Ethernet ports (10/100/1000Mbps) connect the phone to the network and pass traffic through to a desktop PC from a single wall port. The phone is powered via PoE Class 3, so no AC adapter is required. The 3.5mm EHS port supports selected Plantronics-brand wireless headsets for remote call control, and a 2.5mm jack accommodates standard wired headsets. Up to 4 KX-NT505 48-key DSS add-on modules can be connected (1 maximum when wall-mounted). Wall-mount kit KX-A433 and AC adapter KX-A239 are available as optional accessories.
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Panasonic KX-NT553-B IP Proprietary Telephone

Elevate your communication experience with the Panasonic KX-NT553-B IP Proprietary Telephone. This sleek black phone features a 3-line backlit LCD for easy readability, even in low light. With 12x2 self-labeling CO keys, you can customize your settings effortlessly. The 2-port Gigabit Ethernet ensures high-speed connectivity, while Power over Ethernet (PoE) simplifies your setup by reducing cable clutter. Plus, it supports EHS for enhanced headset compatibility. Perfect for any professional environment, this phone combines functionality with modern design, making it an essential tool for efficient communication.

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Panasonic - KX-NT553-B IP Proprietary Telephone - 3-Line Backlit LCD, 12x2 Self-Labeling CO Keys, 2-Port Gigabit Ethernet, PoE, EHS - Black
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Panasonic - KX-NT553-B IP Proprietary Telephone - 3-Line Backlit LCD, 12x2 Self-Labeling CO Keys, 2-Port Gigabit Ethernet, PoE, EHS - Black

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