How to de-escalate angry customers in a call center

Angry calls get worse when the agent tries to win the argument. I learned that the hard way on billing calls. If I repeat policy too early, the customer hears it as a wall. Now I try to name the problem in plain words first, then give one real option and one next step. Silence helps more than people admit. For other contact center folks, where do you draw the line between letting someone vent…