Blocking unwanted calls, whether they are on your landline or mobile, has become a very important feature for most consumers. For landlines, maybe not as much, considering most folks have cut ties with physical phone lines and rely solely on their mobiles for all communications. Now, if you have given out your mobile number because that is your only contact number, you are now susceptible to robo calls, political campaigning calls, sales calls – you name it. To stop the …