| 0x00 | OK |
| 0x11 | BILLING_FAILED |
| 0x12 | BILLING_FAILED_SUBSCRIBER_IS_TEMPORARILY_BARRED |
| 0x13 | BILLING_FAILED_SUBSCRIBER_HAS_INSUFFICIENT_FUNDS |
| 0x14 | BILLING_FAILED_SUBSCRIBER_IS_TOO_YOUNG |
| 0x15 | BILLING_FAILED_SUBSCRIBER_QUOTA_REACHED |
| 0x20 | BARRED |
| 0x21 | BARRED_SUBSCRIBER_ACCOUNT_BARRED |
| 0x22 | BARRED_SUBSCRIBER_ACCOUNT_CLOSED |
| 0x23 | BARRED_SUBSCRIBER_RESERVED_AGAINST_PREMIUM_RATE |
| 0x30 | ACCESS_FAILED |
| 0x40 | INVALID_MESSAGE |
| 0x41 | INVALID_MESSAGE_INVALID_DESTINATION_ADDRESS |
| 0x42 | INVALID_MESSAGE_INVALID_ORIGINATOR_ADDRESS |
| 0x43 | INVALID_MESSAGE_INVALID_PRICE |
| 0x45 | INVALID_MESSAGE_INVALID_CONTENT |
| 0x50 | GATEWAY_ERROR |
| 0x51 | GATEWAY_ERROR_ROUTE_NOT_FOUND |
| 0x52 | GATEWAY_ERROR_MESSAGE_REJECTED |
| 0x53 | GATEWAY_ERROR_OPERATOR_SUBMIT_ERROR |
| 0x54 | GATEWAY_ERROR_WRONG_OPERATOR |
| 0x55 | GATEWAY_ERROR_UNKNOWN_USER |
| 0xFF | EXPIRED |