thanks man

Vent Ban out the blue?

So i was on vent waiting for my buddy to get on wow while talking to a friend who was waiting also. I was alt tab playing another game and out the blue i heard someone say hey can u hold on a sec ima get you ban wait here. Im like o.O looking thru TS/Raidcall n vent. Next thing I know i notice i was moved in vent n ask wait what is going on---- BAM ban? Is there something i did wrong? i didn't get a warning or anything? I was in room 2? About to make a RBGs.