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

I can’t receive incoming calls.

Verify your call forwarding and ensure “Do Not Disturb” mode is off. Try logging out and in to refresh incoming routing.

Related QNAs

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.

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.

The app doesn’t access my microphone.

Go to your phone’s app permissions → enable “Microphone Access” for CallMama. Without it, others can’t hear you.

I’m not receiving OTPs on my virtual number.

Some banks or websites restrict OTP delivery to VoIP numbers. If possible, use an alternate number or contact the provider for manual verification.

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