REALLY annoying. they'd better HOPE I don't find out who they are... I will be complaining to every client they have that I can located. They call daily, never anyone on the line. I've tried returning the call, get a long message that they are "legal" (so they are expecting complaints) and then an involved process, which I have followed, to try and get on their internal dnc list. There's even a little twist of the insult knife at the end... your number will not be deleted unless you press "1" to acknowledge that you know your input will no longer be used to make decisions. What a croc and what losers.
Can't say who the caller is because they are too lazy or too cowardly to leave a message. If the creeps are reading this, know that I don't pick up any call whose number I don't recognize. If you have something to say or sell leave a message. Odds are I will never call you back, and if you keep calling me I'll block your number. But it's just common courtesy to leave a message when you call.
Just received a call from this number. There was a recording, person spoke very slowly and said it was the IRS and that they needed to speak with me immediately. I hung up and decided to call the number back out of curiosity. I received a recording telling me it is a national marketing research company, nothing like the initial recording. So no clue what the deal is.