I got a call from this number. The lady sounded very professional, setting me up with the usual announcement that "this call is being recorded ....". She informed me that she was calling from "National Investment Board" or some such organisation and that I had business dealings with them. However, before proceeding further she wanted me to confirm my date of birth. I refused to do it, saying that I had no business dealings with the alleged company. I asked her to mention my year of birth that was on her records and I would confirm whether she was right or wrong. She said that my year of birth was 1985. That would have been great! I would be 30 years younger!! I hung up!

This number calls me . I answer but they say nothing and hang up after 30seconds ...???

This number and a variation has been disconnected. I'm wondering how since they've been calling me incessantly for days!!