This specific error indicates that the application failed to establish a connection between your device and the recipient's phone, preventing both voice and video calls from going through. When the Problem is External.
Verify and Adjust Settings to Fix WhatsApp Call Issues
Understanding these triggers is the first step toward resolving the problem. If WhatsApp is running in the background and has not been granted sufficient permissions, it may lack the necessary resources to initialize a call.
Check Action Purpose Mobile Data Ensure it is turned on Provides the bandwidth for the call App Permissions Allow Phone and Microphone access Enables the app to use hardware Software Update Advanced Solutions and Account Checks If basic troubleshooting fails, the issue may relate to your account or device configuration. Switching Airplane Mode on for ten seconds and then off again forces your phone to refresh its connection to the cellular tower or Wi-Fi network.
Verify and Adjust Settings to Fix WhatsApp Call Issues
Step-by-Step Verification Begin by toggling your connection off and on. If your signal is weak, or if the network has strict firewall rules that block VoIP ports, the call setup process will fail immediately.
More About Whatsapp couldn't place call
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