Received long pause after saying hello to caller. Caller asked "do you know such and such person" (yes for this post, I purposefully left out the requested name). Returned in response to the abrupt question from the caller with "sorry you have the wrong number" and started to hang up. Only to have the caller continue in their remarks "of course you don't". To date, my residence has received over five calls of similar fashion from the same number, manner, and a different name request, which is very strange within a single month timeframe. Starting to become annoying.