---
title: "Changes to Transfer an active SIP call to a new destination using the SIP REFER verb."
method: POST
path: "/realtime/calls/{call_id}/refer"
---

# Changes to Transfer an active SIP call to a new destination using the SIP REFER verb.

`POST /realtime/calls/{call_id}/refer`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 82 revisions.

- **2026-05-13** `74cbcf73838f` — 1 info

## Changes

- **2026-05-13** `74cbcf73838f` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/openai/apis/openapi/docs/realtime/calls/:call_id/refer/post.md) · [API](https://skmtc.dev/openai/apis/openapi.md) · [Page](https://skmtc.dev/openai/apis/openapi/changes/realtime/calls/:call_id/refer/post)