skeets, I can remember watching that video on a few Christmas holidays in the mid and late '50s. And my babysitter during that timeframe was the nicest young lady (also a switchboard operator for Bell Systems) that looked eerily just like one of those gals in the video. Those were the days: Party lines, listening in on other's conversations, being yelled at to "Get OFF the Phone!!", waiting for long periods of time for the phone lines to clear so you could "ring" a friend, calling home "Collect" to let your parents know you arrived at your friends house and then your parents would refuse the call to avoid the charges.
Merry Christmas to all of you on OTT!!