What is a Trouble Isolation Charge?
The phone company is responsible for maintaining a reliable connection from the central office through to the Network Interface on the side of your residence. The wiring on the inside your home is your responsibility to maintain. If a repair technician finds that the source of your phone service problem is on your side of the Network Interface Box on the side of your home, a Trouble Isolation Charge may be assessed. The Network Interface Box is usually a square or rectangular box located on the side of your home.
