resources/live/subresources/sessions/methods/refer/index.md 2026-09-16 22:58 UTC to 2026-09-18 22:59 UTC

1## Transfer call

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3**post** `/live/sessions/{session_id}/refer`

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5Transfer a SIP call to another destination. Supply a nonblank target_uri for the SIP Refer-To header.

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7### Path Parameters

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9- `session_id: string`

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11### Body Parameters

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13- `target_uri: string`

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15 Nonblank URI for the SIP Refer-To header, such as tel:+14155550123 or sip:agent@example.com.

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17### Example

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19```http

20curl https://api.openai.com/v1/live/sessions/$SESSION_ID/refer \

21 -H 'Content-Type: application/json' \

22 -H "Authorization: Bearer $OPENAI_API_KEY" \

23 -d '{

24 "target_uri": "tel:+14155550123"

25 }'

26```