You can protect your internet protocol (IP) address from others on WhatsApp call by relaying all of your calls through WhatsApp’s servers. If you turn on Protect IP address in calls, your calls won’t be connected directly and will avoid revealing your IP address to the person you’re calling.
Protect IP address
To access this setting:
Tap more options > Settings > Privacy.
Tap Advanced.
Turn Protect IP address in calls on or off.