Caller: 021 492 6456

This number has persistently called. When answering they either put down or list listen till today when a woman spoke, looking for someone I don't know and told me she will continue to call me, because I told her that such a person does not exist here.
She would not say who she is or where she is calling from.
I have blocked the number

I called back number 021 492 6456 spoke to a woman but could barely understand her when she said the company name.