The table below lists some common SMS error codes with explanation of why they occur:
| Error code |
Description
|
Explanation |
| 153 |
Absent Subscriber
|
Subscriber handset not connected to the network. Likely turned off or outside the area of coverage. |
| 150 |
Unknown Subscriber |
The MSISDN is not active with the carrier |
| 300 |
Invalid Destination Address |
The MSISDN does not exist |
| 310 |
Invalid Source Address |
The source address is not permitted. Refer to Country Information and local regulations |
| 151 |
Call Barred |
Message rejected due to active barring by the end-user. |
| 61 |
Destination blocked |
Account not permitted to reach the destination MSISDN |
| 62 |
Keyword blocked |
A phrase or word in the body of the message has been caught in the anti-spam filter |
| 255 |
Error, personal service barring, MT Personal Determined Barring Black List |
The end-user has opted out from receiving messages. Either all A2P messages or sender ID specific |
| 212 |
Equipment not short message equipped |
The number cannot receive text messages, for example Data-SIMs |
| 158 |
Memory capacity exceeded |
The handset does not have sufficient free memory to accept the SMS |
Shahzad Ismail
Head of Knowledge Management and Community Engagement, Sinch
