How do mobile phones intercept landline numbers?

1, download and install mobile phone housekeeper or 360 security guards, LBE security guards, cheetah security guards, security butlers and other software.

2. Open the installed software and find the harassment interception function.

3. After entering the harassment interception function, find the blacklist option.

4. In the blacklist, select Add Blacklist and click Add by Region.

5. Check the interception of calls and messages.

6. After the setting is completed, the incoming call of the landline number will be automatically intercepted and no SMS will be received.