Please update to the latest version and clear the app cache. Older builds may not be compatible with new routing updates.
Check if sound permissions are allowed and your device isn’t on silent. You can also change ringtone type in settings.
CallMama SMS works over the internet (VoIP), not via your cellular provider. A stable connection is needed for sending or receiving.
This happens during high global call traffic. Wait 30–60 seconds and try again; the line will clear automatically.
Simply swipe down on the message list to force a refresh. It rechecks for new incoming messages from the server.
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