---
title: "Refer call"
method: POST
path: "/realtime/calls/{call_id}/refer"
tags: ["Realtime"]
---

# Refer call

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

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

## Path parameters

- `call_id` string, required

## Request body

- RealtimeCallReferRequest — Parameters required to transfer a SIP call to a new destination using the Realtime API.
  - `target_uri` string, required — URI that should appear in the SIP Refer-To header. Supports values like `tel:+14155550123` or `sip:agent@example.com`.

## Response `200`

Call referred successfully.

---

[API](https://skmtc.net/openai/apis/openai-api.md) · [All operations](https://skmtc.net/openai/apis/openai-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/openai/openai-api/revisions/dcd35773a322/schema)