Calls.Initiate.All
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Application
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All Resources
Allows the app to place outbound calls to a single user and transfer calls to users in your organization’s directory, without a signed-in user.
Delegated Access
App-Only Access
Permission Details
Application Permission
Initiate outgoing 1 to 1 calls from the app
Allows the app to place outbound calls to a single user and transfer calls to users in your organization’s directory, without a signed-in user.
Permission ID:
284383ee-7f6e-4e40-a2a8-e85dcb029101
Properties
| Property | Type | Description |
|---|---|---|
id |
string |
The unique identifier for an entity. Read-only. |
mediaConfig |
object |
The media configuration. Required information for creating peer to peer calls or joining meetings. |
requestedModalities |
array |
The list of requested modalities. The possible values are: unknown, audio, video, videoBasedScreenSharing, data. |
incomingContext |
object |
The context associated with an incoming call. Read-only. Server generated. |
transcription |
object |
The transcription information for the call. Read-only. |
terminationReason |
stringNullable |
|
callOptions |
object |
Contains the optional features for the call. |
direction |
object |
The direction of the call. The possible values are incoming or outgoing. Read-only. |
ringingTimeoutInSeconds |
int32Nullable |
Ringing timeout in seconds for outgoing peer to peer calls. The max value for this attribute is 115 seconds. |
toneInfo |
object |
|
callRoutes |
microsoft.graph.callRoute collection |
The routing information on how the call was retargeted. Read-only. |
activeModalities |
array |
The list of active modalities. The possible values are: unknown, audio, video, videoBasedScreenSharing, data. Read-only. |
meetingCapability |
object |
Contains the capabilities of a meeting. Read-only. |
answeredBy |
object |
The participant that answered the call. Read-only. |
callChainId |
stringNullable |
A unique identifier for all the participant calls in a conference or a unique identifier for two participant calls in a P2P call. This needs to be copied over from Microsoft.Graph.Call.CallChainId. |
Showing 15 of 31 properties. View all on Microsoft Learn →
Relationships
| Relationship | Type | Description |
|---|---|---|
audioRoutingGroups |
audioRoutingGroup collection |
The audio routing groups associated with the call. |
operations |
commsOperation collection |
The operations associated with the call. |
participants |
participant collection |
The participants associated with the call. |
contentSharingSessions |
contentSharingSession collection |
The content sharing sessions associated with the call. |
Graph Methods
Delegated access
App-only access
No PowerShell cmdlets available for this version.
Code Examples
C# / .NET SDK
// Install: dotnet add package Microsoft.Graph
// Install: dotnet add package Azure.Identity
using Microsoft.Graph;
using Azure.Identity;
// Application permissions - daemon/service app
var tenantId = "YOUR_TENANT_ID";
var clientId = "YOUR_CLIENT_ID";
var clientSecret = "YOUR_CLIENT_SECRET";
var credential = new ClientSecretCredential(tenantId, clientId, clientSecret);
var graphClient = new GraphServiceClient(credential);
// Example: GET /users/{user-id}
var users = await graphClient.Users.GetAsync();
foreach (var user in users?.Value ?? [])
{
Console.WriteLine($"User: {user.DisplayName}");
}
JavaScript / TypeScript
// npm install @azure/msal-browser @microsoft/microsoft-graph-client
import { PublicClientApplication } from "@azure/msal-browser";
import { Client } from "@microsoft/microsoft-graph-client";
import { AuthCodeMSALBrowserAuthenticationProvider } from
"@microsoft/microsoft-graph-client/authProviders/authCodeMsalBrowser";
const msalConfig = {
auth: {
clientId: "YOUR_CLIENT_ID",
authority: "https://login.microsoftonline.com/YOUR_TENANT_ID"
}
};
const pca = new PublicClientApplication(msalConfig);
await pca.initialize();
// Application: Use client credentials (Node.js backend only)
// npm install @azure/identity @microsoft/microsoft-graph-client
import { ClientSecretCredential } from "@azure/identity";
import { TokenCredentialAuthenticationProvider } from
"@microsoft/microsoft-graph-client/authProviders/azureTokenCredentials";
const credential = new ClientSecretCredential(
"YOUR_TENANT_ID",
"YOUR_CLIENT_ID",
"YOUR_CLIENT_SECRET"
);
const authProvider = new TokenCredentialAuthenticationProvider(credential, {
scopes: ["https://graph.microsoft.com/.default"]
});
const graphClient = Client.initWithMiddleware({ authProvider });
const result = await graphClient.api("/users").get();
console.log(result);
PowerShell
# Install Microsoft Graph PowerShell module
Install-Module Microsoft.Graph -Scope CurrentUser
# Application access with certificate
$params = @{
ClientId = "YOUR_CLIENT_ID"
TenantId = "YOUR_TENANT_ID"
CertificateThumbprint = "YOUR_CERT_THUMBPRINT"
}
Connect-MgGraph @params
# Or with client secret (not recommended for production)
# Connect-MgGraph -ClientSecretCredential $credential
# Example: GET /users
$result = Invoke-MgGraphRequest -Method GET -Uri "https://graph.microsoft.com/v1.0/users"
$result | ConvertTo-Json -Depth 5
# Always disconnect when done
Disconnect-MgGraph
Python
# pip install msgraph-sdk azure-identity
from azure.identity import InteractiveBrowserCredential, ClientSecretCredential
from msgraph import GraphServiceClient
import asyncio
# Application permissions - client credentials
credential = ClientSecretCredential(
tenant_id="YOUR_TENANT_ID",
client_id="YOUR_CLIENT_ID",
client_secret="YOUR_CLIENT_SECRET"
)
scopes = ["https://graph.microsoft.com/.default"]
client = GraphServiceClient(credential, scopes)
async def get_users():
# Example: GET /users
result = await client.users.get()
for user in result.value:
print(f"User: {user.display_name}")
return result
asyncio.run(get_users())
App Registration
1
Navigate to Azure Portal
Go to App registrations in Microsoft Entra admin center
2
Add API Permission
Select your app → API permissions → Add a permission → Microsoft Graph
3
Select Permission Type
Choose Application permissions and search for Calls.Initiate.All
4
Grant Admin Consent
Application permissions always require admin consent. Click "Grant admin consent" in the Azure portal.