---
page_type: error
code: 37005
message: "37005: WhatsApp Voice: Could not change calling status on the WhatsApp Sender"
level: ERROR
product: Programmable Voice
---

## 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.