This usually happens if your card expired or funds are low. Update your payment details and tap “Retry Payment” in the billing section.
Check that you have calling credits and microphone permissions are enabled. If issues continue, test with another number or restart the app.
Always include the correct country code (e.g., +1 for US, +44 for UK). Re-enter the number in international format before redialing.
Poor internet or unstable Wi-Fi often causes this. Switch to mobile data or a stronger signal and try again.
Yes, you can call both landline and mobile numbers in supported countries. Rates may differ slightly for landlines.
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