Here's a wonderful brief post on etiquette and communication. A neat summary of some essential rules.. https://www.huffingtonpost.com/entry/5-timeless-rules-of-etiquette-to-live-by_us_5a81b99ee4b0c6726e15bff4
In a continuing effort to integrate politeness into my communication textbooks and into communication generally, here is a useful set of guidelines for teaching children proper phone etiquette.