Sounds very much computer-generated, but I can see that some people may fall for that.
The issue at hand is extremely time sensitive. My name is Officer Liz Smith calling you from the Internal Revenue Services in the hotline to my division is 917-231-1777. I repeat. Once again, 917-231-1777. The reason behind our call is to inform you about the lawsuit, which has been filed under your name. So give us a call back as soon as possible.
The issue at hand is extremely time sensitive. My name is Officer Mark Benson calling you from the Internal Revenue Services, and the hotline to my division is 917-285-1104. I repeat. Once again, 917-285-1104. The reason behind our call is to inform you about the lawsuit, which has been filed under your name. So give us call back as soon as possible.