---
title: "Changes to Unmute participants in room session."
method: POST
path: "/room_sessions/{room_session_id}/actions/unmute"
---

# Changes to Unmute participants in room session.

`POST /room_sessions/{room_session_id}/actions/unmute`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 89 revisions.

- **2026-10-15** `a72569d69430`: 1 breaking, 1 info

## Changes

- **2026-10-15** `a72569d69430`: 1 breaking, 1 info
  - removed `subschema #1: all_participants` from the `participants` request property `oneOf` list
  - added `subschema #1` to the `participants` request property `oneOf` list

---

[Operation](https://skmtc.dev/team-telnyx/apis/telnyx-api/docs/room_sessions/:room_session_id/actions/unmute/post.md) - [API](https://skmtc.dev/team-telnyx/apis/telnyx-api.md) - [Page](https://skmtc.dev/team-telnyx/apis/telnyx-api/changes/room_sessions/:room_session_id/actions/unmute/post)