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

My international calls have echo or background noise.

Echos often result from weak Wi-Fi or device feedback. Try using headphones or switching to a wired connection.

Related QNAs

The recipient’s number might be switched off or blocked for VoIP SMS. Try resending later or verifying that the number supports virtual SMS delivery.

Expired subscriptions or insufficient balance cause that. Tap “Renew Now” or contact support to reactivate.

Avoid tapping the “Send” button multiple times if your network is slow. The system automatically retries if the first attempt delays.

Yes, just tap and hold on the failed message, then select “Resend.” You can also enable auto-resend for failed SMS in your app settings.

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