See "how it used to be done" by the operators in the old days.

Operator Toll Dialing: Dialing

Instructional film for telephone operators that describes dialing procedures.  Interestingly, area codes used to be called "routing codes."

Operator Toll Dialing: Cord Signals

Instructional film for telephone operators that demonstrates various cord signals, such as busy, reorder and recall.

Operator Toll Dialing: Teamwork

Instructional film for telephone operators that displays the effort of working together to use circuits efficiently and get the calls on their way.