| 300 | Incorrect destination address | Incorrect destination address |
| 301 | Missing destination address | Missing destination address |
| 302 | Incorrect user data | Incorrect user data |
| 303 | Incorrect user data combination | Incorrect user data combination |
| 304 | Incorrect user data coding scheme | Incorrect user data coding scheme |
| 305 | Incorrect relative validity | Incorrect relative validity |
| 306 | Incorrect originating address | Incorrect originating address |
| 307 | Incorrect protocol id | Incorrect protocol id |
| 312 | Incorrect priority | Incorrect priority |
| 313 | Incorrect tariff class | Incorrect tariff class |
| 381 | Incorrect price | Incorrect price |
| 382 | Incorrect billing address | Incorrect billing address |
| 383 | Charging not allowed for multiple destinations | Charging not allowed for multiple destinations |
| 385 | Maximum price exceeded | Maximum price exceeded |
| 390 | Charging request not allowed | Charging request not allowed |
| 391 | Subscriber not found | Subscriber not found |
| 392 | Subscriber barred | Subscriber barred |
| 393 | Insufficient credit | Insufficient credit |
| 394 | Charging failed | Charging failed |
| 395 | Invalid bearer code | Invalid bearer code |
| 396 | Invalid content code | Invalid content code |
| 397 | Invalid invoice text | Invalid invoice text |
| 398 | Invalid merchant ID | Invalid merchant ID |
| Barred | Subscriber is barred for the service | Subscriber is barred for the service |
| Cancelled | SMSC could not deliver message | SMSC could not deliver message |
| ChargeErr | Charging of subscriber failed | Charging of subscriber failed |
| LowBalance | Prepaid customer and does not have sufficient funds. | Subscriber is a prepaid customer and the balance of the subscriber account does not have sufficient funds. |
| NoReport | SMSC didn't send a delivery report for message | SMSC didn't send a delivery report for message |
| NotFound | Subscriber is not a Telia customer | Subscriber is not a Telia customer |
| PriceErr | Tariff or amount of cost not allowed. | Tariff or amount of cost not allowed. |