I've made it clear to bossmang that I don't really do customer contact. I got badly burned out in technical support decades ago, and it's still baggage I carry around, so I simply do not have a "customer service voice".

I'm hired to develop software, and I will do that to the best of my ability, but if they ever ask me to help out on the support end, I've made it clear what they can expect.

"Now listen here, you little shit..."