On-Premises Exchange Facility
Switching Device
Local Line Relay Station
Main Switchboard
Power Supply
Local Line Display Panel
Billing Device
General Telephone
Multifunctional Telephone
Digital Cordless Phone
Terminal Board
Grounding Box
Terminal Connection
Telephone Outlet
Telephone Outlet For Double Floor
Electric Wire5
Cable6
Conduit7
Metal Ducts And Troughs5
Cable Rack5
Boxes6
Support Material5
Fireproof Compartment Penetration Treatment, Etc.6
Grounding Work4
Painting Work6
Installation Cost
Test Adjustment Fee
Other Expenses