" I call for interface down."
"Which one?"
"Yes"
"Which interface?"
"Yes"
"Ok. So an interface is down. Which one?"
"Yes"
"Could you e-mail me the info?"
"Yes"
"My e-mail addy is..."
"Yes."
Vendor got into some hot water over that call. Folks get testy over billing interfaces, particularly when it's A/R.