v52

OpenAPI 3.1.0raw.githubusercontent.com2026-07-311,1941,9384.1 MB

Conference Commands

Send DTMF to conference participants

Send DTMF tones to one or more conference participants.

post/conferences/{id}/actions/send_dtmf

idstring uuid required

Uniquely identifies the conference.

call_control_idsstring[]

Array of participant call control IDs to send DTMF to. When empty, DTMF will be sent to all participants.

client_statestring

Use this field to add state to every subsequent webhook. Must be a valid Base-64 encoded string.

digitsstring required

DTMF digits to send. Valid characters: 0-9, A-D, *, #, w (0.5s pause), W (1s pause).

duration_millisinteger

Duration of each DTMF digit in milliseconds.

{
  "digits": "1234#",
  "duration_millis": 250
}

Successful response upon making a conference command.

{
  "data": {
    "result": "ok"
  }
}