MONITOR, TELEPHONE SYSTEM. AN ELECTROMIC DEVICE DESIGNED TO MEASURE
SUCH THINGS AS LENGTH OF TIME OF A TELEPHONE CALL, LENGTH OF TIME A
CALL IS ON HOLD, AND NUMBER OF OUTGOING CALLS, FOR THE PURPOSE OF
ESTABLISHING THE MOST ECONOMICAL TELEPHONE SERVICE LEVEL AND
DETERMINING ABUSE OF TELEPHONES BY PERSONNEL. IT MAY BE INTERFACED WITH
A COMPUTER.
