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

My messages are delayed for several minutes.

My messages are delayed for several minutes.

Delays usually occur during carrier congestion.

Wait a few minutes; messages send automatically when the route clears.
You can enable “Delivery Retry” in settings to handle network delays.

Related QNAs

The call fails with error 403.

Error 403 means “Access Denied” by your plan.

The country might not be included in your subscription.
Upgrade your plan or purchase global access to enable this route.

Why does my call quality keep fluctuating?

Fluctuations happen if your internet bandwidth changes during the call. Close background apps that use data for better voice consistency.

Why is my selected country not showing?

Sometimes, specific country numbers may be temporarily out of stock.

Try selecting a different number type (Local, Mobile, Toll-Free).
Refresh your app or check again after a few hours.
You can also subscribe to alerts for when new numbers become available.

Calls drop when I switch to another app.

Enable background running permission. Some phones suspend VoIP when multitasking — allow CallMama to run in background.

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