What if the landline always receives different harassing calls?

There is no good solution to harassing calls from fixed telephones.

You can only try by reporting to the operator.

If your mobile phone often receives harassing calls,

I recommend you to try Tencent Mobile Manager.

Can help you intelligently intercept harassing calls that disturb you.

Harassment interception function, turn on interception function, which can effectively and automatically intercept calls and text messages you don't want to answer, and add them to the blacklist.

The default setting is standard mode, which can automatically intercept incoming calls and text messages in the blacklist.

Moreover, it can intercept the phone that hangs up as soon as it rings and block it.

Of course, you can also customize the interception mode.

hope this helps