Does the floor intercom belong to the property?

The building intercom maintenance fee in the property fee refers to the cost of maintaining the building intercom equipment, such as the building intercom host, which is the host with buttons installed on the unit door; Power supply of the host; Each floor distributor (decoder); Networked host; System mainline, etc. The attributes of this part of equipment are public and public. These are for everyone's use. If they are broken, they will affect everyone. If the equipment is broken, the owner doesn't have to spend any more money, but deducts it from the property fee. Once in the house, it is a part of the owner's own home. For example, if the extension is broken, it can only be repaired at its own expense.