The BT Converse 2200 telephone has low energy consumption so no additional batteries or power supply unit required. It is PABX compatible and is wall mountable. It has a headset port and hands-free option. This BT Converse 2200 telephone is a slate metallic colour. KEY FEATURES No batteries or power supply unit required ELR/TBR switchable Handset volume control Headset port (RJ11 Socket) Hands-free speaker phone operation Inductive coupler (hearing aid compatible) Incoming voice amplification One last number redial PABX compatible Message waiting indicator (PBX) Pause (for number memory) Ringer volume control Secrecy/mute button Tone & Pulse dialling options Visual call indicator 10 number speed dial memory Wall mountable Will plug into a standard BT socket