Microsoft experts. Sing happy birthday to me Daddy? He does 
8654261001
8884109333 answering as at 2155 AEST 28/01 (I.e., now).
Identified to me as ID Pro and then offered a $100 shopping voucher when I said I didn't want what he was selling.
Needless to say I'm pretty sure I wouldn't have got a $100 gift card either.
aka geek-squad-phone-number.net