Caller ID shows SSI 586 980 6682.  When I answer, sometimes I hear a beep.  Never heard any recording or anyone speak.

No one there

This number said SSI, called at 8:53 pm, did not leave message.  Funny thing is, at 8:41 pm, another number called as SSI, 586-574-6012, and did not leave a message either.

It is some sort of survey company that wants to speak to the youngest adult in the house.  They were calling several times a day.  I had to yell at them to get them to stop.

Used a great suggestion I read somewhere -- after multiple calls from "no one" at the other end, they finally talked tonight.  Told me they wanted me to do a survey; I told them I charge $25 for that, and asked them which of their credit cards they would like to put it on.  The caller, a woman, seemed very taken aback, and stammered "what?!"  I repeated my offer; she said "no thanks," and hung up.  Hopefully, using this tactic will get these phone solicitors to stop calling so much.