Twilio Client: Error Codes
This page lists the errors that Twilio Client may emit. The error codes are five-digit integers beginning with 31.
For a full list of error codes that may be encountered, see the Error and Warning Dictionary
Twilio Errors
When applicable, errors emitted will contain a twilioError field, providing more information about the error. This twilioError represents the new TwilioError format that will become the default Error format in the next major release. Please see Connection and Device .on('error', handler(error))API for more information.
310xx Series: General Errors
| Code | Description |
|---|---|
| 31000 | General Twilio Client error. The new twilioError field may contain more information and more information may be available in the debugger. |
| 31001 | TwiML Application not found. |
| 31002 | Connection declined. Check the debugger for more information on the actual cause. |
| 31003 | Connection timeout. |
| 31005 | WebSocket connection to Twilio's signaling servers were unexpectedly ended. If this is happening consistently, there may be an issue resolving the hostname provided. If a region is being specified in Device setup, ensure it's a valid region. |
| 31009 | No transport available to send or receive messages. |
311xx Series: Malformed Requests
| Code | Description |
|---|---|
| 31100 | Generic malformed request. |
| 31101 | Missing parameter array in request. |
| 31102 | Authorization token missing in request. |
| 31103 | Length of parameters cannot exceed MAX_PARAM_LENGTH. |
| 31104 | Invalid bridge token. |
| 31105 | Invalid client name/identity. Note, the client name/identity provided in the AccessToken may only contain alpha-numeric and underscore characters. Other characters, including spaces, will result in undefined behavior. The maximum number of characters for the identity is 121. |
312xx Series: Authorization Errors
| Code | Description |
|---|---|
| 31201 | Generic unknown error. |
| 31202 | JWT signature validation failed. |
| 31203 | No valid account. |
| 31204 | Invalid JWT token. |
| 31205 | JWT token expired. |
| 31206 | Rate exceeded authorized limit. |
| 31207 | JWT token expiration too long. |
| 31208 | User denied access to microphone. |
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