2 Line Business Set - 2 Line Operation with Conference Key - Call Display with Visual Call Waiting - Speakerphone with Mute - Headset Compatible (2.5 mm Jack) - 3 Line Adjustable Backlit Display - Multi-funciton Indicator Light - 14 Programmable Memory Keys - 100 Name/Number Directory - 100 Name/Number Call Log - English/Spanish/French Language Display Prompts - Compatible with Analog Centrex, PBX, or Standard Telephone Service