BT, one of the U.K.'s leading telecom companies, has launched a new phone that limits who can call your home, thereby cutting nuisance calls by 80 percent.

TalkTalk has a number of other free features to help manage nuisance calls, such as CallSafe where numbers not on your approved or blocked lists are screened before you pick up the phone. How a ...

Some landline and cellular providers currently offer call blocking tools, but phone subscribers must opt-in to use them. The FCC's rule lets service providers block calls as a default.