SMS Notify! API contains a parameter called SMSError, which returns a
string indicating errors when sending the text message.
| Error Code | Description |
|---|---|
| 0 | NoError |
| 1 | STOPfromPhoneNumber |
| 2 | LicenseKeyInvalid |
| 3 | PhoneNumberInvalid |
| 4 | MessageInvalid |
| 5 | ScheduledDateTimeIsNotUTC |
| 6 | InvalidAssignedDID |
| 7 | NotFound (Occurs for Invalid MessageID) |
| 8 | InternalError |
| 9 | ContactCdyneAccountSuspended |
| 10 | AssignedDIDRequired |