How to prevent other people from making calls?

Blacklisted. Domestic mobile phones can be set to refuse to accept calls outside the phone book

This is an advanced call and text message filtering tool. Its rich and powerful features can manage your unwanted calls and text messages. So far there are more than 250.000 users around the world.

Blocking options:

Landline calls/SMS numbers

Landline calls/SMS messages from unknown numbers and private numbers (no number, no caller ID)

The call automatically intercepts all text messages and replies (i.e., you cannot answer calls)

Turn off the ringtone, hang up (may be sent to voicemail), and then pick up and hang up

Quick access:

Quick on/off button

Blacklist and log management:

Backup and restore settings blacklist

Set contacts/call logs/text messages to blacklist or add custom numbers (not saved in your address book)

Easily manage logs: search caller ID, delete, restore

Text filter consists of plain text or regular expression, prefix matching, suffix matching.

Number matching pattern.