Voice Error Codes
Overview
Voice error codes are reported in the Voice Session Summary (VSS) webhook when errors occur during call execution. Unlike status codes which are returned immediately in the API response, these error codes indicate problems that happened while the call was being processed.
When you receive these codes:
- In the Voice Session Summary (VSS) webhook
- After the voice session has ended or failed
- In the
errorDetailsfield or related error information in the VSS payload
What they indicate:
- Internal system errors
- Connectivity or routing issues
- Problems with callflow execution (TTS, file playback, etc.)
- Capacity or permission restrictions
Applicable To
These error codes apply to all voice products using the 8x8 Voice Platform:
- Interactive Voice Response (IVR)
- Voice Messaging
- Number Masking (see also Number Masking-specific error codes)
- Any voice application using callflows
Error Codes
| Error Code | Description |
|---|---|
| -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 |
| -2006 | Unable to download file for playback |
| -2007 | The validity period of the call flow request has expired |
| -2008 | The provided source MSISDN or caller ID is not whitelisted |
| -2009 | The scenario parameters provided is invalid |
| -2010 | The trunk capacity has been exceeded |
| -9999 | An unknown error has occurred |
Related Documentation
- Voice Status Codes and Status Messages - API response validation codes
- Number Masking Error Codes - Number Masking-specific errors
- Voice Session Summary (VSS) Webhook - Where these error codes appear
Source: https://developer.8x8.com/connect/docs/voice/error-codes/voice-error-codes · 8x8 CPaaS Developer Docs. Synced for support deflection.
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