Check that you have calling credits and microphone permissions are enabled. If issues continue, test with another number or restart the app.
This happens during high global call traffic. Wait 30–60 seconds and try again; the line will clear automatically.
Yes, most online services support CallMama numbers. However, some banks block VoIP-based OTPs for security reasons.
Avoid closing the screen during checkout. It may take up to two minutes for confirmation if it’s still stuck, check your internet and retry the purchase.
Messages older than 30 days are automatically archived to save space. Enable “Message Backup” in settings to retain them permanently.
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