Keep getting calls on mobile phone.  Get a dialing sequence when call picked up.  Hear this and ahng up quickly.  Call back and no answer.  Several times in the last couple of days.  Area code is Long Island.

ditto

get 2 to three calls a week no one on other side when you pick up you call bac they do not answer.  this takes place early evening

got a call from this phone

got a call from this phone number