In the same call center, I worked a for a mobile phone company (Sainsbury's mobile, it didn't live for very long)
Towards the end (which is when I joined) we took well over a 100 calls a day each. 85% started like this.......
Good morning, you're through to Sainsbury's mobile, Mac speaking, how can I help
HELP? YOURE A CNT and fking useless!
The company kept taking £50-£70 a month from account that had been shut down.... Oops
You soon learn in situations like that, not to take swearing so personal, not like most now, that if you use 1 bad word and they hang up on you... Wimps!