---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/32210#article
headline: "32210: SIP: Register not supported"
url: https://www.twilio.com/docs/api/errors/32210
inLanguage: en
dateModified: 2026-03-11T20:01:16.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 32210: SIP: Register not supported

Log Level: ERROR

## Description

### Possible causes

* Registration is not enabled for the SIP domain

### Possible solutions

* Enable registration for the SIP domain.