---
page_type: error
code: 83402
message: "83402: Received error response to IP Command callback request"
level: ERROR
product: Super SIM
---

## Description

Twilio received an error response when attempting to send an IP Command event to the provided callback URL.

### Possible Causes

Twilio did not receive a 2xx response from the callback URL when attempting to send an IP Command event.

### Possible Solutions

Ensure that your callback server can handle the callback and responds with a 2xx HTTP status code. See the [Debugger](https://www.twilio.com/console/debugger) in Console for further information on the callback response.