Called on a Saturday morning when my phone was still on silent, left an automated voicemail with the following info:
"Hello we have been trying to reach you. This call is officially final notice from IRS, Internal Revenue Services. The reason of this call is to inform you that IRS is filing lawsuit against you. To get more information about this case file, please call immediately on our department number to 06 866 5733. I repeat 06 866 5733. Thank you."
Caller: IRS, Internal Revenue Services