---
page_type: error
code: 32700
message: "32700: Voice User-Defined Message: Internal Twilio Error"
level: ERROR
product: Programmable Voice
---

## Description

Twilio experienced an unexpected internal error in attempting to deliver an User-Defined Message event to the Voice SDK client.

### Possible Causes

- An error occurred during communication with Twilio internal services.

### Possible Solutions

- See the Debugger in the Twilio Console for more information. If you repeatedly receive this error, please contact Twilio Support.