---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/37002#article
headline: "37002: WhatsApp Voice: Calling is not enabled on the business number"
url: https://www.twilio.com/docs/api/errors/37002
inLanguage: en
dateModified: 2026-03-11T20:01:16.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 37002: WhatsApp Voice: Calling is not enabled on the business number

Log Type: APPLICATION

Log Level: ERROR

## Description

The business-initiated WhatsApp call failed because WhatsApp Business Calling is not enabled on the From number. The From number of the business-initiated call should be your WhatsApp sender with the WhatsApp Business Calling enabled.

### Possible causes

WhatsApp Business Calling is not enabled on the From number.

### Possible solutions

Configure your sender for WhatsApp Business Calling. Please see [how to configure your sender for WhatsApp Business Calling](/docs/voice/whatsapp-business-calling#configure-your-sender-for-whatsapp-business-calling) for details.