Each minute of HD voice call uses about 1MB of data. Use Wi-Fi when available to avoid mobile data charges.
Sometimes payments take longer to reflect. Email your transaction ID to support@callmama.com — we’ll either activate your number manually or issue a refund.
Open Billing → Manage Plan → Auto-Renewal, then toggle it off. You’ll still have full access until your current billing cycle ends.
Long-press any chat, select multiple threads, then tap delete. This clears space without affecting active messages.
You’ll see a double-checkmark or “Delivered” status in your message thread. This confirms successful carrier acknowledgment.
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