# Error Codes

| **Response Code** | **Status**  | **Description**                         |
| ----------------- | ----------- | --------------------------------------- |
| 000               | DELIVERED   | Delivered to subscriber successfully    |
| 001               | UNDELIVERED | Undelivered to subscriber               |
| 005               | EXPIRED     | Unidentified subscriber                 |
| 009               | UNDELIVERED | Illegal subscriber                      |
| 011               | UNDELIVERED | Tele service not provisioned            |
| 012               | UNDELIVERED | Illegal equipment                       |
| 013               | UNDELIVERED | Call barred                             |
| 021               | UNDELIVERED | Facility not supported                  |
| 027               | EXPIRED     | Absent subscriber                       |
| 031               | EXPIRED     | Subscriber busy for MT\_SMS             |
| 032               | EXPIRED     | SM-Delivery failure                     |
| 034               | EXPIRED     | System failure                          |
| 035               | UNDELIVERED | Data missing                            |
| 036               | UNDELIVERED | Unexpected data value                   |
| 144               | UNDELIVERED | Unrecognized component                  |
| 145               | UNDELIVERED | Mistyped component                      |
| 146               | UNDELIVERED | Body structured component               |
| 160               | EXPIRED     | Duplicate invoke ID                     |
| 161               | UNDELIVERED | Unrecognized operation                  |
| 162               | UNDELIVERED | Mistyped parameter                      |
| 163               | EXPIRED     | Resource limitation                     |
| 164               | EXPIRED     | Initiating release                      |
| 165               | EXPIRED     | Unrecognized linked ID                  |
| 166               | EXPIRED     | Linked response expected                |
| 167               | EXPIRED     | Unexpected linked operation             |
| 176               | UNDELIVERED | Unrecognized invoke ID                  |
| 177               | EXPIRED     | Return result expected                  |
| 178               | UNDELIVERED | Mistyped parameter                      |
| 192               | EXPIRED     | Unrecognized invoke ID                  |
| 193               | EXPIRED     | Return error unexpected                 |
| 194               | UNDELIVERED | Unrecognized error                      |
| 195               | UNDELIVERED | Unexpected error                        |
| 196               | UNDELIVERED | Mistyped parameter                      |
| 200               | UNDELIVERED | Unable to decode response               |
| 201               | EXPIRED     | Provider abort                          |
| 202               | UNDELIVERED | User abort                              |
| 203               | EXPIRED     | Timeout                                 |
| 204               | UNDELIVERED | API error                               |
| 205               | UNDELIVERED | Unknown error                           |
| 404               | REJECTD     | Invalid message content                 |
| 408               | REJECTD     | DND error code                          |
| 409               | REJECTD     | Source/template error code              |
| 410               | REJECTD     | Source/template long message error code |
| 411               | REJECTD     | Duplicate submission                    |
| 412               | REJECTD     | Destination Barred/Source Barred        |