---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/32502#article
headline: "32502: Voice Conversation: Callback event internal error."
url: https://www.twilio.com/docs/api/errors/32502
inLanguage: en
dateModified: 2026-03-11T20:01:16.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 32502: Voice Conversation: Callback event internal error.

Log Type: TWILIO

Log Level: WARNING

## Description

Internal error occurred when executing a request to one of the status callback URLs specified in the Conversation noun. This error will occur when Voice Conversation service fails to reach out to Callback service.

### Possible causes

* Twilio failed to execute callback request when Voice Conversation service attempted to reach out to status Callback service.

### Possible solutions

* If the error persists, please [contact us](/help/contact) to figure out what has happened and how to fix it!