The tasks a Telephone Operator, Local is expected to perform include:

Operating telephone switchboard to establish telephone connections of subscribers for local calls
Watching calling indications on switchboard
Inserting answering plugs in corresponding jack attending to calling indication
Repeating the numbers called to subscriber for confirmation
Watching switchboard plugs and informing the caller if required number is engaged
Inserting calling plug in required jack if free and putting through calls
Watching indication of finishing calls and drawing out plugs on noticing clearance