Just got a call from this number on my cell phone. No message left. When I called back, it said: "this number is not allocated<long silence>" in a somewhat unusual voice.
I received a call from this number, when answering repeatedly said a Record: This is an important message for you press the number 1. "Hanging and attempts to call back but was unable to answer. But what if I follow the instructions they give me ? I wonder if this were a form of cheating?