CB2200 This PABX compatible, wall mountable phone comes with hands-free speakerphone as well as a headset port. Having low energy consumption, it does not require a power supply unit or additional batteries. Key Features 10 number speed dial memory Hands-free speakerphone Headset socket Inductive coupler Earpiece volume control PABX compatible ELR/TBR switchable Secrecy (mute microphone) Message waiting indicator