273000-TP2-27S Cortelco line powered telephone- Requires no batteries or AC adapter - Caller ID, call waiting caller ID- 99# Caller ID memory- Wide angle, adjustable, LCD display - Voice mail indication (FSK/90V/24V) - Mute with LED indicator - Hold with LED indicator - PBX hold (programmable) - On hook pre-dial - Directory button (save up to 99 names and numbers) - 5 One touch and 5 two touch speed dial memory locations with up to 24 digits - Programmable flash - Enhanced redial for last 10 numbers - Handset receive volume control (4 levels) - Programmable ring cadence (10 positions) - Programmable ring volume(off to 7) - Programmable VIP alert - Data port - Speakerphone - Speakerphone volume control (8 levels) - DTMF dialing - Programmable area code - 2.5mm/RJ type headset jack - Wall mountable - Black TT2730