Don't know who they are as I don't answer numbers/names I don't recognize. I am on NO-Call list so cannot understand why I got this call and why so many calls are coming thru. Does the NO-Call list help at all? Doesn't seem so.
I have received numberous calls from this number, all during the day. They listen to the outgoing answering message, wait 3-5 seconds and hang up. No message, no identification. Consider it phone call harrassment.