This is expansion module cannot work independently and has to be added on a video base or access control base license
The video intercom module license includes 2 doors manageable, 2 cameras manageable, and 10 Indoor Stations manageable
Exceeding this license capability while managing intercom device on HikCentral, it may require additional door license (for door station), camera license (for door station build camera), and indoor station license (for indoor station management)
Function Supported: remote configuration on door/indoor station, door station video calling HikCentral, HikCentral audio calling indoor station, etc