List of SMS gateway error codes

Updated 5 years ago

Error Code	Status	Status Code	Description / Error Text
1	Queued	200	Message is queued for delivery
2	Scheduled	200	Message is scheduled for delivery
3	Sent	200	Message sent to the network for delivery
4	Sent	201	Message delivered to the handset
5	Cancelled	301	Message is cancelled
6	WaitApproval	200	Message is waiting manual approval from ClickSend staff
7	Failed	301	Unknown failure
8	Failed	301	Unknown subscriber. Number is inactive or invalid
9	Failed	301	Unidentified Subscriber. Number is invalid or network routing issue.
10	Failed	301	Illegal Subscriber. Rejection due to failed authentication or filtering.
11	Failed	301	Rejection due to subscription, handset or network not supporting SMS.
12	Failed	301	Absent Subscriber. Phone is out of range or switched off. Likely to have been unavailable for 12 hours or more.
13	Failed	301	Memory Capacity Exceeded. Rejection due to subscriber handset not having the memory capacity to recieve the message. Likely to have been in state for 12 hours or more.
14	Failed	301	Rejection due to recipient network error or congestion.
15	Failed	301	Rejected by the recipient network.
16	Failed	300	Temporary network error - will be retried
17	Failed	301	Network timeout when delivering message
18	Failed	301	Network routing error
19	Failed	301	Anti-spam rejection by recipient network
20	Failed	301	Message delivery receipt expired