---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/37010#article
headline: "37010: WhatsApp Voice: Voice Call Permanent Permission Exists"
url: https://www.twilio.com/docs/api/errors/37010
inLanguage: en
dateModified: 2026-03-11T20:01:16.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 37010: WhatsApp Voice: Voice Call Permanent Permission Exists

Log Type: APPLICATION

Log Level: ERROR

## Description

Call permission request cannot be sent because a permanent permission has already been approved by the user for this business account phone number.

### Possible causes

Call permission request can't be sent because a permanent permission already exists.

### Possible solutions

Sending a call permission request is not needed for this user at this time.