Cortelco 7 series corded telephone- Cortelco model 270500TP227S- Does not include headset- Offers all of the features of the ITT-2700 while adding an electronic interface to Plantronics wireless headsets- Internal interface allows phone to be answered remotely utilizing a Plantronics wireless headset. Simply activate the headset when the ring indicator tone is heard and the phone electronically simulates "lifting" the handset off-hook to connect the call. When the call is completed, switch off the headset and the phone hangs up. Installation is quick and easy as the unit ships complete with the required headset base to phone connection cable.- Caller ID, call waiting caller ID- 99# Caller ID memory- Wide angle, adjustable, backlit (blue) LCD display- Voicemail indication (FSK/Stutter/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)- Directory name match- 5 One touch and 5 two touch speed dial memory locations with up to 24 digits- Programmable flash- Enhanced redial last 10 numbers- Handset receiver 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- Desk/wall mountable- Power transformer included- Black TT2705