Free spam call blocker

Rang this number back they answered without realising could hear a child in the background hear 2 men with forgein accents talking about how they were ringing different people some that where in hospital and how they didn't care aslong as they got the percentage they needed and how some people they contacted didn't trust them also heard them say how they where going to convince a lady to set up a new email address I've now blocked this number I advised not to answer this number and block straigh