Description: - Cortelco Colleague 2-Line Corded Telephone- Caller Id- Call Waiting Caller Id: Can Take The Call, Send It To Voice Mail, Please Wait Or Call Back Features- 99# 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)- Voice Message Indication (Fsk/Stutter/90V Light)- Speakerphone- Mute With Led- Electronic Hold With Extension Release- 10#Direct Memories- Programmable Flash- Redial- Ring Indicator- Ring Off/Low/High Switch- Volume Control- Data Port- Tone/Pulse Switchable- Dual Headset Jacks (Provides 2.5M m Jack And An Rj-11 Jack)- Conference- FrostItt2220frost