---
title: "Changes to Exchanges a Teams Phone token for an ACS user access token."
method: POST
path: "/access/teamsExtension/:exchangeAccessToken"
---

# Changes to Exchanges a Teams Phone token for an ACS user access token.

`POST /access/teamsExtension/:exchangeAccessToken`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 10 revisions.

- **2026-07-13** `6f165034a0c4` — 1 info
- **2026-07-13** `04b250b803d8` — 1 info

## Changes

- **2026-07-13** `6f165034a0c4` — 1 info
  - api operation id `TeamsExtensionToken_Exchange` removed and replaced with `TeamsExtensionOperations_ExchangeToken`
- **2026-07-13** `04b250b803d8` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/azure/apis/communication-identity/docs/access/teamsExtension/:exchangeAccessToken/post.md) · [API](https://skmtc.dev/azure/apis/communication-identity.md) · [Page](https://skmtc.dev/azure/apis/communication-identity/changes/access/teamsExtension/:exchangeAccessToken/post)