`- Cortelco Colleague single line corded telephone
- Caller ID
- Call waiting Caller ID: can take the call, send it to voice mail, "please wait" or "call back" features
- 80# Caller ID history
- Wide angle LCD (super twist)
- 3-Line backlit LCD
- Trilingual menu
- Display icons (new call, repeat call, forward call, toll call, mw)
- Disposition buttons
-Voice message indication (FSK/stutter/90V light)
- Speakerphone
- Mute with LED
- Electronic hold with extension release
- 10# Direct memories
- Programmable flash
- Redial
- Ring indicator
- Volume control
- Data port
- Tone/pulse switchable
- Dual headset jacks (provides 2.5mm jack and an RJ-11 jack)
- Headset mode switch converts speakerphone button into answer/disconnect button