Multiple dwelling house interphone system

A multiple dwelling house interphone system comprising:

• a centralized collective entrance machine provided for a visitor to call a dweller of any building in a multiple dwelling house constituted of a plurality of buildings;
• a dwelling unit master device provided to each of dwelling units for a dweller to respond to a call from the centralized collective entrance machine;
• and
• a centralized controller configured to control communication between the centralized collective entrance machine and each dwelling unit master device, wherein
• each dwelling unit master device stores an own ID, and
• the centralized collective entrance machine includes a calling control section configured to, when an operation of inputting the ID is performed for calling a dweller, first transmit an ID confirmation request signal to all the dwelling unit master devices and wait for a reply from the corresponding dwelling unit master device, and then, transmit a call signal to the dwelling unit master device that has replied, to perform calling.