"You sendin' the Wolf? Shit, negro, that's all you had to say!"

This is, essentially, what should happen when a tech arrives at a job site for a repair. Most of the time, it does. Every once and a while, though, especially among the high-powered corporate types, you get somebody who thinks they know something when they don't. Otherwise, treat your Local Exchange Carrier Special Services repairman as you would the Wolf.