It’s one of the most dreaded calls to get for an IT staff member – the one where a user complains about the quality of their VoIP call or video conference. The terms used to describe the problem are reminiscent of a person who brings their car in for service because of a strange sound “ I hear a crackle”, or “it sounds like the other person is in a tunnel” or “I could only hear every other word – and then the call dropped”. None of these are good, and unfortunately, they are all very hard to dia...