- Use with RingCentral cloud phone system - Use with Valcom multi-zone page control unit with FXS or analog station ports (DTMF signaling only) - Use with Valcom handsfree page units for talkback paging - Use with Valcom IP endpoints - Multiple units may be connected for multi-zone paging with all call behind a PABX - Background music, stereo or mono input; music mutes during page - Volume controls for background music and tones - Security code option to restrict page access - Store & Play feedback eliminator option - Multiple disconnect options - Page verification tone - Customizable Page alert tone - Drive up to 150 one-way amplified speakers on 8 Ohm output (one-way output) - Web interface for programming extended functions - SIP expanded to 4 extensions, with Night Ring and Store & Play on all lines - 24 Volt DC Power supply included