Tie trunk is a device that holds a handset and closes a switch when the handset is lifted to complete the local loop circuit.

Question

Quizplus · Accepted Answer

A tie trunk is a communication line or circuit that connects two private branch exchanges (PBXs) or telephone switches, allowing calls to be made directly between them without using the public switched telephone network. It does not hold a handset or close a switch related to a local loop circuit.

Tie Trunk Is a Device That Holds a Handset and Closes