call: answer

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.

Enable a bot to answer an incoming call. The incoming call request can be an invitation from a participant in a group call or a peer-to-peer call. If an invitation to a group call is received, the notification contains the chatInfo and meetingInfo parameters.

The bot is expected to answer, reject or redirect the call before the call times out. The current timeout value is 15 seconds. The current timeout value is 15 seconds for regular scenarios, and 5 seconds for policy-based recording scenarios.

This API supports the following PSTN scenarios:

• Incoming call to bot's PSTN number and then bot invites another PSTN.
• Incoming call to bot's PSTN number and then bot transfer to another PSTN.
• Incoming call to bot's PSTN number and then bot redirects to another PSTN.
• Incoming call to bot's instance identifier and then bot invites another PSTN.
• Incoming call to bot's instance identifier and then bot transfer to another PSTN.
• Incoming call to bot's instance identifier and then bot redirects to another PSTN.
• Incoming call to bot's instance identifier from Scheduled Meeting and then bot invites PSTN.
• Outgoing call from bot (with instance identifier) to a PSTN.
• P2P call between bot and another peer (Teams user, PSTN), bot invites another PSTN.
• P2P call between bot and another peer (Teams user, PSTN), bot invites another Teams user.
• Bot join the scheduled meeting and then invite PSTN.

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.JoinGroupCall.All	Calls.JoinGroupCallAsGuest.All

Note: For a call that uses application-hosted media, you also need the Calls.AccessMedia.All permission. You must have at least one of the following permissions to ensure that the source in the incoming call notification is decrypted: Calls.AccessMedia.All, Calls.Initiate.All, Calls.InitiateGroupCall.All, Calls.JoinGroupCall.All, Calls.JoinGroupCallAsGuest.All. The source is the caller info in the incoming call notification. Without at least one of these permissions, the source will remain encrypted.

HTTP request

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

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.
Content-type	application/json. Required.

Request body

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

Parameter	Type	Description
callbackUri	String	Allows bots to provide a specific callback URI for the concurrent call to receive later notifications. If this property hasn't been set, the bot's global callback URI is used instead. This must be https.
acceptedModalities	String collection	The list of accept modalities. Possible values are: audio, video, videoBasedScreenSharing. Required for answering a call.
callOptions	incomingCallOptions	The call options.
mediaConfig	appHostedMediaConfig or serviceHostedMediaConfig	The media configuration. Required.
participantCapacity	Int	The number of participants that the application can handle for the call, for Teams policy-based recording scenario.

Response

This method returns a 202 Accepted response code.

Examples

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}/answer
Content-Type: application/json
Content-Length: 211

{
  "callbackUri": "callbackUri-value",
  "mediaConfig": {
    "@odata.type": "#microsoft.graph.appHostedMediaConfig",
    "blob": "<Media Session Configuration Blob>"
  },
  "acceptedModalities": [
    "audio"
  ],
  "callOptions": {
    "@odata.type": "#microsoft.graph.incomingCallOptions",
    "isContentSharingNotificationEnabled": true,
    "isDeltaRosterEnabled": true
  },
  "participantCapacity": 200
}

C#

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

// Dependencies
using Microsoft.Graph.Beta.Communications.Calls.Item.Answer;
using Microsoft.Graph.Beta.Models;

var requestBody = new AnswerPostRequestBody
{
	CallbackUri = "callbackUri-value",
	MediaConfig = new AppHostedMediaConfig
	{
		OdataType = "#microsoft.graph.appHostedMediaConfig",
		Blob = "<Media Session Configuration Blob>",
	},
	AcceptedModalities = new List<Modality?>
	{
		Modality.Audio,
	},
	CallOptions = new IncomingCallOptions
	{
		OdataType = "#microsoft.graph.incomingCallOptions",
		IsContentSharingNotificationEnabled = true,
		IsDeltaRosterEnabled = true,
	},
	ParticipantCapacity = 200,
};

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
await graphClient.Communications.Calls["{call-id}"].Answer.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 answer post --call-id {call-id} --body '{\
  "callbackUri": "callbackUri-value",\
  "mediaConfig": {\
    "@odata.type": "#microsoft.graph.appHostedMediaConfig",\
    "blob": "<Media Session Configuration Blob>"\
  },\
  "acceptedModalities": [\
    "audio"\
  ],\
  "callOptions": {\
    "@odata.type": "#microsoft.graph.incomingCallOptions",\
    "isContentSharingNotificationEnabled": true,\
    "isDeltaRosterEnabled": true\
  },\
  "participantCapacity": 200\
}\
'

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"
	  graphmodels "github.com/microsoftgraph/msgraph-beta-sdk-go/models"
	  //other-imports
)

requestBody := graphcommunications.NewAnswerPostRequestBody()
callbackUri := "callbackUri-value"
requestBody.SetCallbackUri(&callbackUri) 
mediaConfig := graphmodels.NewAppHostedMediaConfig()
blob := "<Media Session Configuration Blob>"
mediaConfig.SetBlob(&blob) 
requestBody.SetMediaConfig(mediaConfig)
acceptedModalities := []graphmodels.Modalityable {
	modality := graphmodels.AUDIO_MODALITY 
	requestBody.SetModality(&modality)
}
requestBody.SetAcceptedModalities(acceptedModalities)
callOptions := graphmodels.NewIncomingCallOptions()
isContentSharingNotificationEnabled := true
callOptions.SetIsContentSharingNotificationEnabled(&isContentSharingNotificationEnabled) 
isDeltaRosterEnabled := true
callOptions.SetIsDeltaRosterEnabled(&isDeltaRosterEnabled) 
requestBody.SetCallOptions(callOptions)
participantCapacity := int32(200)
requestBody.SetParticipantCapacity(&participantCapacity) 

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=go
graphClient.Communications().Calls().ByCallId("call-id").Answer().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.answer.AnswerPostRequestBody answerPostRequestBody = new com.microsoft.graph.beta.communications.calls.item.answer.AnswerPostRequestBody();
answerPostRequestBody.setCallbackUri("callbackUri-value");
AppHostedMediaConfig mediaConfig = new AppHostedMediaConfig();
mediaConfig.setOdataType("#microsoft.graph.appHostedMediaConfig");
mediaConfig.setBlob("<Media Session Configuration Blob>");
answerPostRequestBody.setMediaConfig(mediaConfig);
LinkedList<Modality> acceptedModalities = new LinkedList<Modality>();
acceptedModalities.add(Modality.Audio);
answerPostRequestBody.setAcceptedModalities(acceptedModalities);
IncomingCallOptions callOptions = new IncomingCallOptions();
callOptions.setOdataType("#microsoft.graph.incomingCallOptions");
callOptions.setIsContentSharingNotificationEnabled(true);
callOptions.setIsDeltaRosterEnabled(true);
answerPostRequestBody.setCallOptions(callOptions);
answerPostRequestBody.setParticipantCapacity(200);
graphClient.communications().calls().byCallId("{call-id}").answer().post(answerPostRequestBody);

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 answer = {
  callbackUri: 'callbackUri-value',
  mediaConfig: {
    '@odata.type': '#microsoft.graph.appHostedMediaConfig',
    blob: '<Media Session Configuration Blob>'
  },
  acceptedModalities: [
    'audio'
  ],
  callOptions: {
    '@odata.type': '#microsoft.graph.incomingCallOptions',
    isContentSharingNotificationEnabled: true,
    isDeltaRosterEnabled: true
  },
  participantCapacity: 200
};

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

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\Answer\AnswerPostRequestBody;
use Microsoft\Graph\Beta\Generated\Models\AppHostedMediaConfig;
use Microsoft\Graph\Beta\Generated\Models\Modality;
use Microsoft\Graph\Beta\Generated\Models\IncomingCallOptions;


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

$requestBody = new AnswerPostRequestBody();
$requestBody->setCallbackUri('callbackUri-value');
$mediaConfig = new AppHostedMediaConfig();
$mediaConfig->setOdataType('#microsoft.graph.appHostedMediaConfig');
$mediaConfig->setBlob('<Media Session Configuration Blob>');
$requestBody->setMediaConfig($mediaConfig);
$requestBody->setAcceptedModalities([new Modality('audio'),	]);
$callOptions = new IncomingCallOptions();
$callOptions->setOdataType('#microsoft.graph.incomingCallOptions');
$callOptions->setIsContentSharingNotificationEnabled(true);
$callOptions->setIsDeltaRosterEnabled(true);
$requestBody->setCallOptions($callOptions);
$requestBody->setParticipantCapacity(200);

$graphServiceClient->communications()->calls()->byCallId('call-id')->answer()->post($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 = @{
	callbackUri = "callbackUri-value"
	mediaConfig = @{
		"@odata.type" = "#microsoft.graph.appHostedMediaConfig"
		blob = "<Media Session Configuration Blob>"
	}
	acceptedModalities = @(
	"audio"
)
callOptions = @{
	"@odata.type" = "#microsoft.graph.incomingCallOptions"
	isContentSharingNotificationEnabled = $true
	isDeltaRosterEnabled = $true
}
participantCapacity = 200
}

Invoke-MgBetaAnswerCommunicationCall -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.answer.answer_post_request_body import AnswerPostRequestBody
from msgraph_beta.generated.models.app_hosted_media_config import AppHostedMediaConfig
from msgraph_beta.generated.models.modality import Modality
from msgraph_beta.generated.models.incoming_call_options import IncomingCallOptions
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = AnswerPostRequestBody(
	callback_uri = "callbackUri-value",
	media_config = AppHostedMediaConfig(
		odata_type = "#microsoft.graph.appHostedMediaConfig",
		blob = "<Media Session Configuration Blob>",
	),
	accepted_modalities = [
		Modality.Audio,
	],
	call_options = IncomingCallOptions(
		odata_type = "#microsoft.graph.incomingCallOptions",
		is_content_sharing_notification_enabled = True,
		is_delta_roster_enabled = True,
	),
	participant_capacity = 200,
)

await graph_client.communications.calls.by_call_id('call-id').answer.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

The following example shows the response.

HTTP/1.1 202 Accepted

Example 1: Answer a Peer-to-Peer VoIP call with service hosted media

Notification - incoming

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

{
  "@odata.type": "#microsoft.graph.commsNotifications",
  "value": [
    {
      "@odata.type": "#microsoft.graph.commsNotification",
      "changeType": "created",
      "resourceUrl": "/communications/calls/57DAB8B1894C409AB240BD8BEAE78896",
      "resourceData": {
        "@odata.type": "#microsoft.graph.call",
        "@odata.id": "/communications/calls/57DAB8B1894C409AB240BD8BEAE78896",
        "@odata.etag": "W/\"5445\"",
        "state": "incoming",
        "direction": "incoming",
        "callRoutes": [
          {
            "routingType": "lookup",
            "original": {
              "phone": {
                "id": "+14258828080"
              }
            },
            "final": {
              "user": {
                "id": "29362BD4-CD58-4ED0-A206-0E4A33DBB0B6",
                "displayName": "Heidi Steen"
              }
            }
          }
        ],
        "source": {
          "identity": {
            "user": {
              "displayName": "Test User",
              "id": "8A34A46B-3D17-4ADC-8DCE-DC4E7D572698"
            }
          },
          "region": "westus",
          "languageId": "en-US"
        },
        "targets": [
          {
            "identity": {
              "application": {
                "displayName": "Test BOT",
                "id": "8A34A46B-3D17-4ADC-8DCE-DC4E7D572698"
              }
            },
            "languageId": "en-US"
          }
        ],
        "requestedModalities": [ "audio" ]
      }
    }
  ]
}

Request

POST /communications/calls/57DAB8B1894C409AB240BD8BEAE78896/answer
Content-Type: application/json

{
  "callbackUri": "https://bot.contoso.com/api/calls",
  "acceptedModalities": [ "audio" ],
  "mediaConfig": {
    "@odata.type": "#microsoft.graph.serviceHostedMediaConfig",
    "preFetchMedia": [
      {
        "uri": "https://cdn.contoso.com/beep.wav",
        "resourceId": "1D6DE2D4-CD51-4309-8DAA-70768651088E"
      },
      {
        "uri": "https://cdn.contoso.com/cool.wav",
        "resourceId": "1D6DE2D4-CD51-4309-8DAA-70768651088F"
      }
    ]
  }
}

Response

HTTP/1.1 202 Accepted

Notification - establishing

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/57DAB8B1894C409AB240BD8BEAE78896",
      "resourceData": {
        "@odata.type": "#microsoft.graph.call",
        "@odata.id": "/communications/calls/57DAB8B1894C409AB240BD8BEAE78896",
        "@odata.etag": "W/\"5445\"",
        "state": "establishing"
      }
    }
  ]
}

Note: Call establishing/established notifications may arrive out of order.

Notification - established

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/57DAB8B1894C409AB240BD8BEAE78896",
      "resourceData": {
        "@odata.type": "#microsoft.graph.call",
        "@odata.id": "/communications/calls/57DAB8B1894C409AB240BD8BEAE78896",
        "@odata.etag": "W/\"5445\"",
        "state": "established"
      }
    }
  ]
}

Note: Call establishing/established notifications may arrive out of order.

Example 2: Answer VOIP call with application hosted media

Notification - incoming

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

{
  "@odata.type": "#microsoft.graph.commsNotifications",
  "value": [
    {
      "@odata.type": "#microsoft.graph.commsNotification",
      "changeType": "created",
      "resourceUrl": "/communications/calls/57DAB8B1894C409AB240BD8BEAE78896",
      "resourceData": {
        "@odata.type": "#microsoft.graph.call",
        "@odata.id": "/communications/calls/57DAB8B1894C409AB240BD8BEAE78896",
        "@odata.etag": "W/\"5445\"",
        "state": "incoming",
        "direction": "incoming",
        "source": {
          "@odata.type": "#microsoft.graph.participantInfo",
          "identity": {
            "user": {
              "displayName": "Test User",
              "id": "8A34A46B-3D17-4ADC-8DCE-DC4E7D572698"
            }
          },
          "region": "westus",
          "languageId": "en-US"
        },
        "targets": [
          {
            "@odata.type": "#microsoft.graph.invitationParticipantInfo",
            "identity": {
              "application": {
                "displayName": "Test BOT",
                "id": "8A34A46B-3D17-4ADC-8DCE-DC4E7D572698"
              }
            },
            "region": "westus",
            "languageId": "en-US"
          }
        ],
        "requestedModalities": [ "audio" ]
      }
    }
  ]
}

Request

HTTP

POST https://graph.microsoft.com/beta/communications/calls/57DAB8B1894C409AB240BD8BEAE78896/answer
Content-Type: application/json

{
  "callbackUri": "https://bot.contoso.com/api/calls",
  "acceptedModalities": [ "audio" ],
  "mediaConfig": {
    "@odata.type": "#microsoft.graph.appHostedMediaConfig",
    "blob": "<Media Session Configuration Blob>"
  }
}

C#

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

// Dependencies
using Microsoft.Graph.Beta.Communications.Calls.Item.Answer;
using Microsoft.Graph.Beta.Models;

var requestBody = new AnswerPostRequestBody
{
	CallbackUri = "https://bot.contoso.com/api/calls",
	AcceptedModalities = new List<Modality?>
	{
		Modality.Audio,
	},
	MediaConfig = new AppHostedMediaConfig
	{
		OdataType = "#microsoft.graph.appHostedMediaConfig",
		Blob = "<Media Session Configuration Blob>",
	},
};

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
await graphClient.Communications.Calls["{call-id}"].Answer.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 answer post --call-id {call-id} --body '{\
  "callbackUri": "https://bot.contoso.com/api/calls",\
  "acceptedModalities": [ "audio" ],\
  "mediaConfig": {\
    "@odata.type": "#microsoft.graph.appHostedMediaConfig",\
    "blob": "<Media Session Configuration Blob>"\
  }\
}\
'

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"
	  graphmodels "github.com/microsoftgraph/msgraph-beta-sdk-go/models"
	  //other-imports
)

requestBody := graphcommunications.NewAnswerPostRequestBody()
callbackUri := "https://bot.contoso.com/api/calls"
requestBody.SetCallbackUri(&callbackUri) 
acceptedModalities := []graphmodels.Modalityable {
	modality := graphmodels.AUDIO_MODALITY 
	requestBody.SetModality(&modality)
}
requestBody.SetAcceptedModalities(acceptedModalities)
mediaConfig := graphmodels.NewAppHostedMediaConfig()
blob := "<Media Session Configuration Blob>"
mediaConfig.SetBlob(&blob) 
requestBody.SetMediaConfig(mediaConfig)

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=go
graphClient.Communications().Calls().ByCallId("call-id").Answer().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.answer.AnswerPostRequestBody answerPostRequestBody = new com.microsoft.graph.beta.communications.calls.item.answer.AnswerPostRequestBody();
answerPostRequestBody.setCallbackUri("https://bot.contoso.com/api/calls");
LinkedList<Modality> acceptedModalities = new LinkedList<Modality>();
acceptedModalities.add(Modality.Audio);
answerPostRequestBody.setAcceptedModalities(acceptedModalities);
AppHostedMediaConfig mediaConfig = new AppHostedMediaConfig();
mediaConfig.setOdataType("#microsoft.graph.appHostedMediaConfig");
mediaConfig.setBlob("<Media Session Configuration Blob>");
answerPostRequestBody.setMediaConfig(mediaConfig);
graphClient.communications().calls().byCallId("{call-id}").answer().post(answerPostRequestBody);

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 answer = {
  callbackUri: 'https://bot.contoso.com/api/calls',
  acceptedModalities: [ 'audio' ],
  mediaConfig: {
    '@odata.type': '#microsoft.graph.appHostedMediaConfig',
    blob: '<Media Session Configuration Blob>'
  }
};

await client.api('/communications/calls/57DAB8B1894C409AB240BD8BEAE78896/answer')
	.version('beta')
	.post(answer);

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\Answer\AnswerPostRequestBody;
use Microsoft\Graph\Beta\Generated\Models\Modality;
use Microsoft\Graph\Beta\Generated\Models\AppHostedMediaConfig;


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

$requestBody = new AnswerPostRequestBody();
$requestBody->setCallbackUri('https://bot.contoso.com/api/calls');
$requestBody->setAcceptedModalities([new Modality('audio'),	]);
$mediaConfig = new AppHostedMediaConfig();
$mediaConfig->setOdataType('#microsoft.graph.appHostedMediaConfig');
$mediaConfig->setBlob('<Media Session Configuration Blob>');
$requestBody->setMediaConfig($mediaConfig);

$graphServiceClient->communications()->calls()->byCallId('call-id')->answer()->post($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 = @{
	callbackUri = "https://bot.contoso.com/api/calls"
	acceptedModalities = @(
	"audio"
)
mediaConfig = @{
	"@odata.type" = "#microsoft.graph.appHostedMediaConfig"
	blob = "<Media Session Configuration Blob>"
}
}

Invoke-MgBetaAnswerCommunicationCall -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.answer.answer_post_request_body import AnswerPostRequestBody
from msgraph_beta.generated.models.modality import Modality
from msgraph_beta.generated.models.app_hosted_media_config import AppHostedMediaConfig
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
request_body = AnswerPostRequestBody(
	callback_uri = "https://bot.contoso.com/api/calls",
	accepted_modalities = [
		Modality.Audio,
	],
	media_config = AppHostedMediaConfig(
		odata_type = "#microsoft.graph.appHostedMediaConfig",
		blob = "<Media Session Configuration Blob>",
	),
)

await graph_client.communications.calls.by_call_id('call-id').answer.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

HTTP/1.1 202 Accepted

Notification - establishing

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/57DAB8B1894C409AB240BD8BEAE78896",
      "resourceData": {
        "@odata.type": "#microsoft.graph.call",
        "@odata.id": "/communications/calls/57DAB8B1894C409AB240BD8BEAE78896",
        "@odata.etag": "W/\"5445\"",
        "state": "establishing"
      }
    }
  ]
}

Note: Call establishing/established notifications may arrive out of order.

Notification - established

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/57DAB8B1894C409AB240BD8BEAE78896",
      "resourceData": {
        "@odata.type": "#microsoft.graph.call",
        "@odata.id": "/communications/calls/57DAB8B1894C409AB240BD8BEAE78896",
        "@odata.etag": "W/\"5445\"",
        "state": "established"
      }
    }
  ]
}

Note: Call establishing/established notifications may arrive out of order.

Notification - content sharing started

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

{
  "@odata.type": "#microsoft.graph.commsNotifications",
  "value": [
    {
      "@odata.type": "#microsoft.graph.commsNotification",
      "changeType": "created",
      "resourceUrl": "/communications/calls/421f4c00-4436-4c3a-9d9a-c4924cf98e67/contentsharingsessions/2765eb15-01f8-47c6-b12b-c32111a4a86f"
    }
  ]
}

Notification - content sharing ended

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

{
  "@odata.type": "#microsoft.graph.commsNotifications",
  "value": [
    {
      "@odata.type": "#microsoft.graph.commsNotification",
      "changeType": "deleted",
      "resourceUrl": "/communications/calls/421f4c00-4436-4c3a-9d9a-c4924cf98e67/contentsharingsessions/2765eb15-01f8-47c6-b12b-c32111a4a86f"
    }
  ]
}

Example 3: Answer a policy-based recording call

Under the Policy-based recording scenario, before a participant under policy joins a call, an incoming call notification is sent to the bot associated with the policy. The join information can be found under the botData property. The bot can then choose to answer the call and update the recording status accordingly.

When participantCpapacity is specified in the Answer request for a policy-based recording notification, subsequent participant joining event belonging to the same policy group will be sent out as participantJoiningNotification instead of new incoming call notification, until number of participants that current call instance is handling has reached the number specified in participantCapacity.

Here's an example of the incoming call notification that a bot would receive in this case.

{
   "@odata.type":"#microsoft.graph.commsNotifications",
   "value":[
      {
         "@odata.type":"#microsoft.graph.commsNotification",
         "changeType":"created",
         "resource":"/app/calls/e71f0300-9c1f-4d99-b5f4-2722e877d497",
         "resourceUrl":"/communications/calls/e71f0300-9c1f-4d99-b5f4-2722e877d497",
         "resourceData":{
            "@odata.type":"#microsoft.graph.call",
            "state":"incoming",
            "direction":"incoming",
            "source":{
               "@odata.type":"#microsoft.graph.participantInfo",
               "id":"90fad2ce-8989-41a1-8a66-f6636e629a2a",
               "identity":{
                  "@odata.type":"#microsoft.graph.identitySet",
                  "user":{
                     "@odata.type":"#microsoft.graph.identity",
                     "id":"8A34A46B-3D17-4ADC-8DCE-DC4E7D572698",
                     "identityProvider":"AAD"
                  }
               },
               "endpointType":"default",
               "region":"amer"
            },
            "targets":[
               {
                  "@odata.type":"#microsoft.graph.invitationParticipantInfo",
                  "identity":{
                     "@odata.type":"#microsoft.graph.identitySet",
                     "applicationInstance":{
                        "@odata.type":"#microsoft.graph.identity",
                        "id":"832899f8-2ea1-4604-8413-27bd2892079f",
                        "identityProvider":"AAD"
                     }
                  },
                  "endpointType":"default",
                  "id":"4520a1a5-5394-5a41-aa12-9ee6fa18cfc8",
                  "region":null,
                  "languageId":null
               }
            ],
            "meetingInfo":{
               "@odata.type":"#microsoft.graph.tokenMeetingInfo",
               "token":"join token"
            },
            "tenantId":"932899f8-2ea1-4604-8413-27bd2892079f",
            "myParticipantId":"1520a1a5-5394-4a41-aa72-9ee6fa18cfc8",
            "callChainId":"05f2f70f-3a9c-47c1-80a9-cc79e91d8cec",
            "incomingContext":{
               "@odata.type":"#microsoft.graph.incomingContext",
               "sourceParticipantId":"30fad2ce-8989-41a1-8a66-f6636e629a2a",
               "observedParticipantId":"30fad2ce-8989-41a1-8a66-f6636e629a2a"
            },
            "id":"e71f0300-9c1f-4d99-b5f4-2722e877d497",
            "applicationMetadata":{
               "botData":{
                  "mediaHostedRegion":"USEA",
                  "user":{
                     "participationMethod":"callee",
                     "clientLocation":"US"
                  },
                  "otherSideUser":{
                     "id":"971f0300-9c1f-4d99-b5f4-2722e877d490",
                     "participantId":"3520a1a5-5394-4a41-aa72-9ee6fa18cfc8",
                     "tenantId":"1540a1a5-2394-4a41-aa72-9ee6fa18cfc8",
                     "onBehalfOf":{
                        "id":"871f0300-9c1f-4d99-b5f4-2722e877d490"
                     },
                     "participationMethod":"caller",
                     "clientLocation":"EUNO"
                  },
                  "inviteReasons":[
                     "PolicyBasedRecording"
                  ],
                  "policyIdentifier":"Test Policy",
                  "pairedRecorders":[
                     {
                        "id":"471f0300-5c1f-4d99-b5f4-2722e877d490",
                        "participantId":"371f0300-2c1f-4d99-b5f4-2722e877d490"
                     }
                  ],
                  "otherRecorders":[
                     {
                        "id":"671f0300-9c1f-4d99-b5f4-2722e877d490",
                        "participantId":"a71f0300-ec1f-4d99-b5f4-2722e877d490"
                     }
                  ]
               }
            }
         }
      }
   ]
}