This reminds me of my first German lessons at night school in the UK.

Peter Cook knew how to really have fun with English, and how to poke fun at the establishment:-

Do you shop at Lidl? Don't listen to this, if you are easily offended.

Man: Burglar!  Burglar! Woman: Yes? Man: Burglar, madam. Woman: What do you want? Man: I want to come in and steal a few things, madam. Woman: Are you an encyclopedia salesman? Man: No, madam, I'm a burglar.  I burgle people. Woman: I think you're an encyclopedia salesman. Man: Oh, I'm not.  Open the door - […]

Not just conference calls, it also applies to ESL / EFL sessions online too. All of these things have happened to us at some time or other. Some can't be helped, but other problems just require a bit of discipline and a good moderator. Thanks to +Aladdin Pasha for sharing.