Error Details and Error Code
| Status Code | Message |
|---|---|
| -2001 | An internal error has occurred |
| -2002 | An internal connectivity error has occurred |
| -2003 | The call flow provided is invalid |
| -2004 | No coverage available for requested area |
| -2005 | Unable to synthesize text to speech |
| -2008 | The provided source MSISDN or caller ID is not whitelisted. |
| -9999 | An unknown error has occurred. |