WhatsApp Calls Not Working — Dropping, No Audio, or Won't Connect — What It Means & How to Fix It

What Does This Error Mean?

WhatsApp calls need a stable internet connection to work. If your connection is weak or blocked, calls will drop or fail to connect. Microphone and speaker permissions can also cause no-audio problems.

Affected Models

WhatsApp for Android
WhatsApp for iPhone
WhatsApp Web
WhatsApp Desktop

Common Causes

Slow or unstable internet connection (Wi-Fi or mobile data)
WhatsApp does not have permission to use your microphone or camera
A VPN or firewall is blocking WhatsApp call traffic
The other person has a poor connection on their end
Outdated version of WhatsApp with known call bugs

How to Fix It

Check your internet speed.

WhatsApp calls need at least 1 Mbps. Open a browser and try loading a page to confirm your connection is working.
Check that WhatsApp has microphone and camera permissions.

On iPhone: go to Settings, scroll to WhatsApp, and make sure Microphone and Camera are turned on. On Android: go to Settings, then Apps, then WhatsApp, then Permissions.
Switch between Wi-Fi and mobile data.

If you are on Wi-Fi, switch to mobile data. If you are on mobile data, try connecting to Wi-Fi. This alone fixes most call problems.
Turn off your VPN if you have one.

VPNs can interfere with WhatsApp call routing. Disable your VPN, then try the call again.
Update WhatsApp to the latest version.

Open the App Store (iPhone) or Play Store (Android), search for WhatsApp, and tap Update if available. Older versions have known call bugs.

When to Call a Professional

You won't need a professional for this issue. If calls fail only with one specific contact, ask them to check their own connection and app version.

Frequently Asked Questions

Why can I hear the other person but they can't hear me?

This is almost always a microphone permission problem. WhatsApp may not have permission to access your microphone. Check your phone settings and enable microphone access for WhatsApp.

WhatsApp calls work on Wi-Fi but not mobile data — why?

Your mobile carrier may be blocking or throttling WhatsApp calls. Some carriers do this in certain regions. Try using a different network or check if your carrier restricts VoIP calls.

Can I use WhatsApp calls on a tablet?

Yes. WhatsApp works on Android tablets and iPads. However, tablets without a SIM card must use Wi-Fi for calls. Make sure the app is up to date and permissions are enabled.