https://www.nbc12.com/2019/12/05/consumers-winning-financial... (robocall specific)
https://www.mahanyertl.com/2018/robocalls-can-sue-telemarket... (conduct your business over mobile)
Specific to business lines, where harassment remains a legal recourse:
https://pocketsense.com/stop-telemarketers-calling-business-...
https://paysimple.com/blog/small-business-tips-for-dealing-w...
https://www.infoworld.com/article/2626467/how-to-sue-telemar...
More to the point, establishing yourself as a litigious asshole may change the counterparty's marketing calculus. Which is the principle point.
https://www.nbc12.com/2019/12/05/consumers-winning-financial... (robocall specific)
https://www.mahanyertl.com/2018/robocalls-can-sue-telemarket... (conduct your business over mobile)
Specific to business lines, where harassment remains a legal recourse:
https://pocketsense.com/stop-telemarketers-calling-business-...
https://paysimple.com/blog/small-business-tips-for-dealing-w...
https://www.infoworld.com/article/2626467/how-to-sue-telemar...
More to the point, establishing yourself as a litigious asshole may change the counterparty's marketing calculus. Which is the principle point.