The BT Converse 2100 is the latest in the popular Converse series of phones from BT and repalces the 1100 model. The Converse 2100 makes an ideal entry level business phone with data port, headset port and full switch compatibility No batteries or power supply unit required ELR/TBR switchable Headset port Inductive coupler (hearing aid compatible) Incoming voice amplification One last number redial Message waiting indicator (PBX) PABX compatible Pause (for number memory) Ringer volume control Ringer tone option Secrecy/mute button Tone & Pulse dialling options Visual call indicator Number memory: 3 Recall Colour: Slate Metallic Grey Manufacturer Reference: 040206