One Refurbished Black NEC ETW 16DC-1 Phone (Fifty Available) | eBay

eBay

Brand (NEC, highly probable based on design and search context), Exact color (black), Wall-mounted form factor, Numeric keypad layout and design, LCD display size and position, 16 programmable function buttons (4 rows of 4), Red 'HOLD' button in the correct position, Handset placement and coiled cord, Overall design and material texture

NEC NEAX ETJ-16DC-2 Digital Phone (570511) – Atlas Phones

Atlas Phones

Brand (NEC, highly probable for source), Overall form factor and color, Numeric keypad and LCD display, 16 programmable function buttons (4 rows of 4), Red 'HOLD' button, Wall-mount capability

NEC DTL-12E-1 DT310 12-Button Digital Phone (680062)

Dotcom Computers

Brand (NEC, highly probable for source), Overall form factor and color, Numeric keypad and LCD display, Wall-mount capability