---
title: "rooms/:name/dialOut/sendDTMF"
method: POST
path: "/rooms/{room_name}/dialOut/sendDTMF"
tags: ["rooms"]
---

# rooms/:name/dialOut/sendDTMF

`POST /rooms/{room_name}/dialOut/sendDTMF`

send DTMF digits on the dialout

## Path parameters

- `room_name` string, required

## Request body

- object
  - `sessionId` string, required — The participant ID of the dialOut session
  - `tones` string, required — Combined string of DTMF tones to send (e.g., "1234#"). Maximum 20 characters.
  - `digitDurationMs` integer — Duration in milliseconds, represents the duration between each DTMF digit. Must be between 50 and 2000. The default duration is 500ms.

## Response `200`

200

## Other responses

- `400` — 400

---

[API](https://skmtc.net/daily/apis/daily-api.md) · [All operations](https://skmtc.net/daily/apis/daily-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/daily/daily-api/versions/225ed4870ea1/schema)