Common Reasons for Failed Delivery
- Wrong number format - Ensure numbers start with
255(e.g.255782466004) - Number not active - The recipient may have an inactive SIM
- Insufficient credits - Check your credit balance in the dashboard
- Network congestion - Temporary issue, message may be retried automatically
- Sender ID not approved - Use an approved Sender ID or the default one
What to Do
Check the delivery report in your dashboard. If status shows "failed", verify the phone number format and your credit balance, then try resending. If the issue persists, contact support at info@tegasms.co.tz.