Aiphone - IX-RS-B IP Audio Answering Station Black - IntercomIP Audio Answering Station The IX RS B is a surface mount IP answering station and can answer calls from Entrance Stations, Door Stations, and other Answering Stations. It is SIP compliant and is compatible with all IX IXG series devices. Features Handset and hands free communication SIP Compliant 8, 2 watt audio output for secondary speaker connection 1 contact output 1 trigger input Receive calls from door stations with door release Make outgoing