Delivery Error Codes List
These are potential Error Codes of the SMS reaching the handset, rather than errors of the API request.
| Error Code | Description |
|---|---|
| 0 | OK |
| 1 | Unknown error code received from network |
| 2 | Absent Subscriber Temporary |
| 3 | Absent Subscriber Permanent |
| 4 | Call barred |
| 5 | Portability Error |
| 6 | Rejected due to Anti Spam Rules |
| 7 | Handset busy |
| 8 | Network error |
| 9 | Illegal number |
| 10 | Invalid message |
| 11 | Unroutable |
| 12 | Unreachable |
| 14 | Number blocked by carrier |
| 15 | General error |