Who called from 8312164368

Just called.

The person told my brother to have me call the back and that spoke to me on 9-3-08 about a transaction i made with him, But i never spoke to anyone and when my broth tried to get a comany name they hung up on him

6pm last night 8:45 this morning and 11:45 no message

i'm getting this call to for no reason! who is it?  they keep calling my on my cell but i don't pick up cause i don't recognize the number.

just got a call from that same number, they didn't leave a message, when you call back its just a busy signal. 11 may 2010