If you wish to put the calls from unknown number on your WhatsApp call on silent mode, here are the steps that you can follow:
- Open the WhatsApp on your smartphone
- Go to ‘Settings’, and select ‘Privacy’ option
- In the ‘Privacy’ option, choose the ‘Calls’ tab
- Here, you can enable the toggle for ‘Silence Unknown Calls’
Android users can access the ‘Settings’ by clicking on the there-dot option, while iPhone users can select the gear icon to reach the ‘Settings’ menu.