---
title: "Transfer call"
method: POST
path: "/live/sessions/{session_id}/refer"
tags: ["Live"]
---

# Transfer call

`POST /live/sessions/{session_id}/refer`

Transfer a SIP call to another destination. Supply a nonblank target_uri for the SIP Refer-To header.

## Path parameters

- `session_id` string, required

## Request body

- LiveCallReferRequest — Parameters used to transfer a Live SIP call to another destination.
  - `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`

Session refer request accepted.

## Changes

- **2026-09-10** `d3c0cb1ebbed` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/openai/apis/openapi/changes/live/sessions/:session_id/refer/post.md)

---

[API](https://skmtc.dev/openai/apis/openapi.md) · [All operations](https://skmtc.dev/openai/apis/openapi/llms.txt) · [OpenAPI document](https://skmtc.dev/openai/apis/openapi/revisions/c40bf0ba89d2?raw)
