Tap the three dots in the top right corner and in the popup select the GB settings option and then turn off other voice calls. When you select this, you will be given three options: Enable all conversations Block calls by calling someone else Block calls without showing them to the opponent. Choose what you want to do. If you have any other questions about GBWhatsApp, OGWhatsApp, or WhatsApp plus, please ask for free, the comment box is yours.