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

Call quality is poor.

Call quality is poor.

This typically happens under weak Wi-Fi. Close background apps, switch to stronger data, or enable “HD Voice” in your settings.

Related QNAs

Why are emojis not sending correctly?

Some international carriers don’t support Unicode characters. Use plain text for guaranteed delivery.

Why can’t I connect to toll-free numbers?

Some international toll-free prefixes block VoIP calls for security. Use a local line or alternate prefix if possible.

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 receive incoming calls.

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

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