System for audio communication comprising: a peripheral unit and an interface unit, wherein the peripheral unit comprises a microphone and a speaker, and the peripheral unit is connectable to a telephone via the interface unit, the interface unit having a unique interface unit device address, and the peripheral unit having a unique peripheral unit device address, wherein the peripheral unit and the interface unit are mutually connectable via a wireless communication link for audio communication and via a detachable wired communication link for auxiliary data, and wherein the system further comprises automatic pairing routine for pairing the peripheral unit and the interface unit to establish the wireless communication link.