What will be shown here?
- Invalid phone numbers (e.g. 1234,11111)
- Unsubscribed phone number, implemented Spam Control
- Your admin has block the ability to send International SMS due to commercial reasons.
- After multiple retries, Telco did not accept our message. (within 1 hours).
Where can I find the other SMS that cannot reach the recipient?
You can find them in the Sent Items with the status S.
Reason for status to be S could be:
- Mobile number that is not in use
- Recipient’s experience weak mobile signal or handset is faulty hence message couldn’t be delivered after the system retries a few times.
- Recipient’s phone is switched off
- Recipient’s is out of their country and on roaming
- Recipient’s Telco or mobile carrier didn’t acknowledge message
How long does it takes for a sent item to appear in Undelivered Items?