Message Status 

Definition 

Delivered 

SMS delivery has been confirmed by either the upstream carrier or the recipient device.

Sent 

The message has been successfully handed off to the carriers, and CLiX is currently awaiting delivery confirmation.

Undelivered 

Despite multiple delivery attempts, the carrier was unable to transmit the message to the recipient’s handset. Please verify that the phone number is accurate and that the device is powered on and within network coverage.

Invalid Number 

The recipient’s number is invalid and cannot be processed for delivery. This may be due to incorrect formatting or a typographical error.

Rejected 

Although the message reached the carrier, it was actively rejected during processing.

Expired 

The system attempted to deliver the message, but it timed out as the recipient’s number was unavailable.

No Credits 

Message delivery failed due to insufficient account credit

Accepted 

Operators have acknowledged receipt of the message.

Deleted 

Message delivery was unsuccessful due to conditions such as a barred number, absent subscriber, or general delivery failure.

Enroute 

The message is in transit, and CLiX is awaiting confirmation of successful delivery from the carrier.

Failed 

Message transmission was unsuccessful due to an issue on the supplier’s side.

Unknown 

CLiX has not received any delivery status update from the upstream supplier.