|202||Invalid mobile number|
|203||Invalid sender ID|
|207||Auth key invalid|
|208||IP is black listed|
|301||Userdoes not have sufficient balance to send SMS|
|302||Expired user account|
|303||Banned user account|
|306||This route is currently unavailable|
|307||Schedule time is Incorrect|
|308||Campaign name cannot be greater than 32 characters|
|309||Selected group(s) does not belong to you|
|310||SMS is too long. System paused this request automatically|
|311||Error 311 occurs when same SMS content is sent to the same number within 10 seconds. This is a security feature used to avoid multiple delivery.
The first SMS will be delivered and the second will be rejected. The balance will also be deducted only once.