Leave me alone or I sue

I am getting constantly harassed by these telemarketers today I have received over 14 calls from them and I put down and they call back 5 times this is harassment I have got screenshots of this and if it carries on I am going to create a case of harassment at the police station and sue for time lost at work I get into trouble because my phone is constantly ringing remove me off your data base and never call my number again