---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/50453#article
headline: "50453: Proxy Address of participant is not supported for this channel"
url: https://www.twilio.com/docs/api/errors/50453
inLanguage: en
dateModified: 2026-03-11T20:43:38.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 50453: Proxy Address of participant is not supported for this channel

Log Type: APPLICATION

Log Level: ERROR

## Description

Triggered when account is trying to add or update the participant with a proxy address that is not supported in given channel, e.g. email, etc.

### Possible causes

Proxy Address for participant is not supported in given channel

### Possible solutions

Remove proxy address field of the participant