Use APKPure App
Get Call Jammer old version APK for Android
Effectively Block Unwanted Calls
Call Jammer simply and effectively blocks calls!
* Block from recent calls, contact list, SMS message or add a number manually
* Blacklist numbers so they are always blocked by your rules
* Whitelist numbers that should always get through to you
* Time feature lets you set blocking for sleep, meetings, etc.
* Full featured and complete - No upgrades