ITT 255400-VBA-20M Wall w/ Volume- Cortelco traditional mini-wall phone- Tone dial - Single-gong ringer- Ringer volume control- Handset volume control dial on handset- Slide-mount (connector is male, fits directly onto a wall mount jackwithout need for a 3'' line cord, see also SE-630LCCU-50, a wall jack with built-in DSL filter)-5 Year manufacturer''s warranty- BlackITT2554VBK