call: subscribeToTone

Namespace: microsoft.graph

Important

APIs under the /beta version in Microsoft Graph are subject to change. Use of these APIs in production applications is not supported. To determine whether an API is available in v1.0, use the Version selector.

Subscribe to DTMF (dual-tone multi-frequency signaling) to allow you to be notified when the user presses keys on a dialpad.

This action is supported only for calls that are initiated with serviceHostedMediaConfig.

This API is available in the following national cloud deployments.

Global service	US Government L4	US Government L5 (DOD)	China operated by 21Vianet
✅	❌	❌	❌

Permissions

Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.

Permission type	Least privileged permissions	Higher privileged permissions
Delegated (work or school account)	Not supported.	Not supported.
Delegated (personal Microsoft account)	Not supported.	Not supported.
Application	Calls.AccessMedia.All	Not available.

Note: Any tone data provided may not be persisted. Make sure you are compliant with the laws and regulations of your area regarding data protection and confidentiality of communications. For more information, see the Terms of Use and consult with your legal counsel.

HTTP request

POST /app/calls/{id}/subscribeToTone
POST /communications/calls/{id}/subscribeToTone

Note: The /app path is deprecated. Going forward, use the /communications path.

Request headers

Name	Description
Authorization	Bearer {token}. Required. Learn more about authentication and authorization.

Request body

In the request body, provide a JSON object with the following parameters.

Parameter	Type	Description
clientContext	String	Unique client context string. Can have a maximum of 256 characters.

Response

If successful, this method returns 200 OK response code.

Example

The following example shows how to call this API.

Request

The following example shows the request.

HTTP

POST https://graph.microsoft.com/beta/communications/calls/{id}/subscribeToTone
Content-Type: application/json
Content-Length: 46

{
  "clientContext": "fd1c7836-4d84-4e24-b6aa-23188688cc54"
}

C#

// Code snippets are only available for the latest version. Current version is 5.x

// Dependencies
using Microsoft.Graph.Beta.Communications.Calls.Item.SubscribeToTone;

var requestBody = new SubscribeToTonePostRequestBody
{
	ClientContext = "fd1c7836-4d84-4e24-b6aa-23188688cc54",
};

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
var result = await graphClient.Communications.Calls["{call-id}"].SubscribeToTone.PostAsync(requestBody);

Important

Microsoft Graph SDKs use the v1.0 version of the API by default, and do not support all the types, properties, and APIs available in the beta version. For details about accessing the beta API with the SDK, see Use the Microsoft Graph SDKs with the beta API.

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

CLI

mgc-beta communications calls subscribe-to-tone post --call-id {call-id} --body '{\
  "clientContext": "fd1c7836-4d84-4e24-b6aa-23188688cc54"\
}\
'

Important

Microsoft Graph SDKs use the v1.0 version of the API by default, and do not support all the types, properties, and APIs available in the beta version. For details about accessing the beta API with the SDK, see Use the Microsoft Graph SDKs with the beta API.

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Go

// Code snippets are only available for the latest major version. Current major version is $v0.*

// Dependencies
import (
	  "context"
	  msgraphsdk "github.com/microsoftgraph/msgraph-beta-sdk-go"
	  graphcommunications "github.com/microsoftgraph/msgraph-beta-sdk-go/communications"
	  //other-imports
)

requestBody := graphcommunications.NewSubscribeToTonePostRequestBody()
clientContext := "fd1c7836-4d84-4e24-b6aa-23188688cc54"
requestBody.SetClientContext(&clientContext) 

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=go
subscribeToTone, err := graphClient.Communications().Calls().ByCallId("call-id").SubscribeToTone().Post(context.Background(), requestBody, nil)

Important

Microsoft Graph SDKs use the v1.0 version of the API by default, and do not support all the types, properties, and APIs available in the beta version. For details about accessing the beta API with the SDK, see Use the Microsoft Graph SDKs with the beta API.

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Java

// Code snippets are only available for the latest version. Current version is 6.x

GraphServiceClient graphClient = new GraphServiceClient(requestAdapter);

com.microsoft.graph.beta.communications.calls.item.subscribetotone.SubscribeToTonePostRequestBody subscribeToTonePostRequestBody = new com.microsoft.graph.beta.communications.calls.item.subscribetotone.SubscribeToTonePostRequestBody();
subscribeToTonePostRequestBody.setClientContext("fd1c7836-4d84-4e24-b6aa-23188688cc54");
var result = graphClient.communications().calls().byCallId("{call-id}").subscribeToTone().post(subscribeToTonePostRequestBody);

Important

Microsoft Graph SDKs use the v1.0 version of the API by default, and do not support all the types, properties, and APIs available in the beta version. For details about accessing the beta API with the SDK, see Use the Microsoft Graph SDKs with the beta API.

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

JavaScript

const options = {
	authProvider,
};

const client = Client.init(options);

const subscribeToToneOperation = {
  clientContext: 'fd1c7836-4d84-4e24-b6aa-23188688cc54'
};

await client.api('/communications/calls/{id}/subscribeToTone')
	.version('beta')
	.post(subscribeToToneOperation);

Important

Microsoft Graph SDKs use the v1.0 version of the API by default, and do not support all the types, properties, and APIs available in the beta version. For details about accessing the beta API with the SDK, see Use the Microsoft Graph SDKs with the beta API.

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

PHP

<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\Communications\Calls\Item\SubscribeToTone\SubscribeToTonePostRequestBody;


$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);

$requestBody = new SubscribeToTonePostRequestBody();
$requestBody->setClientContext('fd1c7836-4d84-4e24-b6aa-23188688cc54');

$result = $graphServiceClient->communications()->calls()->byCallId('call-id')->subscribeToTone()->post($requestBody)->wait();

Important

Microsoft Graph SDKs use the v1.0 version of the API by default, and do not support all the types, properties, and APIs available in the beta version. For details about accessing the beta API with the SDK, see Use the Microsoft Graph SDKs with the beta API.

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

PowerShell

Import-Module Microsoft.Graph.Beta.CloudCommunications

$params = @{
	clientContext = "fd1c7836-4d84-4e24-b6aa-23188688cc54"
}

Invoke-MgBetaSubscribeCommunicationCallToTone -CallId $callId -BodyParameter $params

Important

Microsoft Graph SDKs use the v1.0 version of the API by default, and do not support all the types, properties, and APIs available in the beta version. For details about accessing the beta API with the SDK, see Use the Microsoft Graph SDKs with the beta API.

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Python

# Code snippets are only available for the latest version. Current version is 1.x
from msgraph_beta import GraphServiceClient
from msgraph_beta.generated.communications.calls.item.subscribe_to_tone.subscribe_to_tone_post_request_body import SubscribeToTonePostRequestBody
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = SubscribeToTonePostRequestBody(
	client_context = "fd1c7836-4d84-4e24-b6aa-23188688cc54",
)

result = await graph_client.communications.calls.by_call_id('call-id').subscribe_to_tone.post(request_body)

Important

Microsoft Graph SDKs use the v1.0 version of the API by default, and do not support all the types, properties, and APIs available in the beta version. For details about accessing the beta API with the SDK, see Use the Microsoft Graph SDKs with the beta API.

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Response

Note: The response object shown here might be shortened for readability.

HTTP/1.1 200 OK
Location: https://graph.microsoft.com/beta/communications/calls/57dab8b1-894c-409a-b240-bd8beae78896/operations/0fe0623f-d628-42ed-b4bd-8ac290072cc5

{
  "@odata.type": "#microsoft.graph.subscribeToToneOperation",
  "clientContext": "clientContext-value",
  "id": "0fe0623f-d628-42ed-b4bd-8ac290072cc5",
  "resultInfo": null,
  "status": "completed"
}

Notification - tone notification

The notification contains information of the tone pressed in the toneInfo resource.

POST https://bot.contoso.com/api/calls
Content-Type: application/json

{
  "@odata.type": "#microsoft.graph.commsNotifications",
  "value": [
    {
      "@odata.type": "#microsoft.graph.commsNotification",
      "changeType": "updated",
      "resourceUrl": "/communications/calls/57dab8b1-894c-409a-b240-bd8beae78896",
      "resourceData": {
        "@odata.type": "#microsoft.graph.call",
        "state": "established",
        "toneInfo": {
          "@odata.type": "#microsoft.graph.toneInfo",
          "sequenceId": 1,
          "tone": "tone1"
        }
      }
    }
  ]
}