Better door phone intercom systems than the Hills Kocom inte
CSD sell an intercom. Kenweii intercom. Changed name to IIS. You can get a 2 wire digital or 4 wire analogue.
24 Port Gigabit Switch and modem/router Suggestions
I would go with the hp pro curve gigabit unmanaged switch. Unify wireless access point for wifi.
6 meters by 5 meters Home theatre room, recommendations
For your av and electrical you can give me a call as I am currently located in Pakenham. Pm me for details
Home Automation Installer - Melbourne (North West)