---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/37005#article
headline: "37005: WhatsApp Voice: Could not change calling status on the WhatsApp Sender"
url: https://www.twilio.com/docs/api/errors/37005
inLanguage: en
dateModified: 2026-03-11T20:01:16.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 37005: WhatsApp Voice: Could not change calling status on the WhatsApp Sender

Log Type: APPLICATION

Log Level: ERROR

## Description

The update business number calling status failed because WhatsApp rejected it.

### Possible causes

The Sender is offline

### Possible solutions

Verify the phone number status in the WhatsApp Manager.