8/F CHINA HONG KONG TWR, 8-12 HENNESSY RD, Wan Chai, Hong Kong

My call duration seems incorrect.

My call duration seems incorrect.

There may be a small sync delay between local and server records, but billing always reflects the exact connected duration.

Related QNAs

I can hear them, but they can’t hear me.

Check if microphone access is enabled for CallMama. Also, remove Bluetooth devices that may be blocking input audio.

I can’t make international calls from the app.

Before placing calls:

Check that you have active calling credits.
Make sure international calling is enabled on your plan.
Some countries may be temporarily restricted — check the supported destinations list.

How can I confirm whether an SMS was delivered successfully?

You’ll see a double-checkmark or “Delivered” status in your message thread. This confirms successful carrier acknowledgment.

My payment was declined while purchasing a virtual number. What should I do?

Make sure your card supports international transactions and has sufficient balance. If needed, contact your bank to enable online or overseas payments. You can also try another card or payment method.

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