A headset system for use with especially in a call center environment, in which method a wireless connection is established between headset and base unit, and the wireless connection is maintained while indicating from a headset user interface to the base unit that the headset is available for receiving an incoming call. The headset system is connected to a telephone system and has a processor configured to receive mode information and to operate according to the received mode information. The headset has a headset user interface and controls the headset signal processor to operate in accordance with user input. The headset is further configured to provide the end-of-call information to the base unit while maintaining the wireless connection.