---
title: "E21072 — VoiceRingGroupDefaultReadOnly"
description: "The default ring group rings the workspace's online users, so it cannot be renamed, deleted or have its members changed."
canonical: "https://bird.com/docs/api/errors/E21072"
---

# E21072 — VoiceRingGroupDefaultReadOnly

The default ring group rings the workspace's online users, so it cannot be renamed, deleted or have its members changed.

- **HTTP status**: `409`
- **Type**: `conflict_error`
- **Name**: `VoiceRingGroupDefaultReadOnly`

## What to do

Create a ring group of your own, then add the members it should ring.

Operations that resolve this:

- [Create a ring group](/docs/api/reference/create-voice-ring-group)
- [Add a member to a ring group](/docs/api/reference/create-voice-ring-group-member)

## Related

- [Idempotency](/docs/api/idempotency): safe retries and key reuse rules
- [E21xxx — Voice & SIP trunking](/docs/api/errors/E21xxx): every code in this range
- [Errors](/docs/api/errors): the full wire contract, status mapping, and error catalog
- [Error handling](/docs/guides/errors): branching on `type` and `code`, validation details, and `vendor_code`

## Related resources

- [Should I use a Bird SDK or call the API directly?](/explained/platform/should-i-use-an-sdk-or-call-the-api-directly) (answer)
- [Build your first integration](/learn/paths/integration) (course)
- [Send your first email](/docs/get-started/send-your-first-email) (docs)

[Get an implementation brief](/learn/workspace?topic=api-basics)