Call Media - Stop Continuous Dtmf Recognition

Service:
Communication
API Version:
2026-03-12

Stop continuous Dtmf recognition by unsubscribing to tones.

POST {endpoint}/calling/callConnections/{callConnectionId}:stopContinuousDtmfRecognition?api-version=2026-03-12

URI Parameters

Name In Required Type Description
callConnectionId
 path True

string

The call connection id
endpoint
 path True

string (url)

The endpoint of the Azure Communication Service resource.
api-version
 query True

string

Version of the API to invoke.

Request Header

Name Required Type Description
Authorization True

string

An Azure Communication Services user access token.

Request Body

Name Required Type Description
targetParticipant True

CommunicationIdentifierModel

operationCallbackUri

string

Set a callback URI that overrides the default callback URI set by CreateCall/AnswerCall for this operation. This setup is per-action. If this is not set, the default callback URI set by CreateCall/AnswerCall will be used.
operationContext

string

The value to identify context of the operation.

Responses

Name Type Description
200 OK

The service has stopped continuous dtmf recognition. If continuous dtmf recognition was previously started, you will receive the ContinuousDtmfRecognitionStopped event at your specified callback URI.
Other Status Codes

CommunicationErrorResponse

Error

Security

Authorization

An Azure Communication Services user access token.

Type: apiKey
In: header

Examples

CallMedia_StopContinuousDtmfRecognition

Sample request

POST https://contoso.communications.azure.com/calling/callConnections/18dea47f-b081-4107-9a5c-4300819d2c6c:stopContinuousDtmfRecognition?api-version=2026-03-12

{
  "targetParticipant": {
    "kind": "communicationUser",
    "communicationUser": {
      "id": "8:acs:b9614373-fd0b-480c-8fd2-cb58b70eab9f_da7be3a9-8788-42a6-85c6-56b2cf784fce"
    }
  },
  "operationCallbackUri": "https://app.contoso.com/callback"
}

Sample response

Status code:
200

Definitions

ContinuousDtmfRecognitionRequest

Object
Name Type Description
operationCallbackUri

string

Set a callback URI that overrides the default callback URI set by CreateCall/AnswerCall for this operation. This setup is per-action. If this is not set, the default callback URI set by CreateCall/AnswerCall will be used.
operationContext

string

The value to identify context of the operation.
targetParticipant

CommunicationIdentifierModel