Conference call hall of fame -
* Participant goes into bathroom. Flushing is evident.
* Someone fails to mute their phone, then disses on someone else that is obviously on the call - usually the call leader.
* Someone puts their line on hold to take another call - everyone left on the conference call is trying to yell overtop of the hold music piped in. Someone suggests we all hang up and call in again. But, because Mr. On Hold is still on the call, you can't start a new call with the call in information. Then, mad emailing begins trying to reconnect. Eventually everyone gives up.
* Someone called in from an airport hanger and didn't mute their phone. Planes are taking off, no one can hear a thing.
i could go on but these pop to mind quickly.