
Azure Communication Common Java
Low Riskby @sickn33Verified Source
4.3385 installsv1.0.0Updated May 25, 2026
About
Azure Communication Services common utilities for Java. Use when working with CommunicationTokenCredential, user identifiers, token refresh, or shared authentication across ACS services.
name: azure-communication-common-java description: "Azure Communication Services common utilities for Java. Use when working with CommunicationTokenCredential, user identifiers, token refresh, or shared authentication across ACS services." risk: unknown source: community date_added: "2026-02-27"
Azure Communication Common (Java)
Shared authentication utilities and data structures for Azure Communication Services.
Installation
<dependency>
<groupId>com.azure</groupId>
<artifactId>azure-communication-common</artifactId>
<version>1.4.0</version>
</dependency>
Key Concepts
| Class | Purpose |
|-------|---------|
| CommunicationTokenCredential | Authenticate users with ACS services |
| CommunicationTokenRefreshOptions | Configure automatic token refresh |
| CommunicationUserIdentifier | Identify ACS users |
| PhoneNumberIdentifier | Identify PSTN phone numbers |
| MicrosoftTeamsUserIdentifier | Identify Teams users |
| UnknownIdentifier | Generic identifier for unknown types |
CommunicationTokenCredential
Static Token (Short-lived Clients)
import com.azure.communication.common.CommunicationTokenCredential;
// Simple static token - no refresh
String userToken = "<user-access-token>";
CommunicationTokenCredential credential = new CommunicationTokenCredential(userToken);
// Use with Chat, Calling, etc.
ChatClient chatClient = new ChatClientBuilder()
.endpoint("https://<resource>.communication.azure.com")
.credential(credential)
.buildClient();
Proactive Token Refresh (Long-lived Clients)
import com.azure.communication.common.CommunicationTokenRefreshOptions;
import java.util.concurrent.Callable;
// Token refresher callback - called when token is about to expire
Callable<String> tokenRefresher = () -> {
// Call your server to get a fresh token
return fetchNewTokenFromServer();
};
// With proactive refresh
CommunicationTokenRefreshOptions refreshOptions = new CommunicationTokenRefreshOptions(tokenRefresher)
.setRefreshProactively(true) // Refresh before expiry
.setInitialToken(currentToken); // Optional initial token
CommunicationTokenCredential credential = new CommunicationTokenCredential(refreshOptions);
Async Token Refresh
import java.util.concurrent.CompletableFuture;
// Async token fetcher
Callable<String> asyncRefresher = () -> {
CompletableFuture<String> future = fetchTokenAsync();
return future.get(); // Block until token is available
};
CommunicationTokenRefreshOptions options = new CommunicationTokenRefreshOptions(asyncRefresher)
.setRefreshProactively(true);
CommunicationTokenCredential credential = new CommunicationTokenCredential(options);
Entra ID (Azure AD) Authentication
import com.azure.identity.InteractiveBrowserCredentialBuilder;
import com.azure.communication.common.EntraCommunicationTokenCredentialOptions;
import java.util.Arrays;
import java.util.List;
// For Teams Phone Extensibility
InteractiveBrowserCredential entraCredential = new InteractiveBrowserCredentialBuilder()
.clientId("<your-client-id>")
.tenantId("<your-tenant-id>")
.redirectUrl("<your-redirect-uri>")
.build();
String resourceEndpoint = "https://<resource>.communication.azure.com";
List<String> scopes = Arrays.asList(
"https://auth.msft.communication.azure.com/TeamsExtension.ManageCalls"
);
EntraCommunicationTokenCredentialOptions entraOptions =
new EntraCommunicationTokenCredentialOptions(entraCredential, resourceEndpoint)
.setScopes(scopes);
CommunicationTokenCredential credential = new CommunicationTokenCredential(entraOptions);
Communication Identifiers
CommunicationUserIdentifier
import com.azure.communication.common.CommunicationUserIdentifier;
// Create identifier for ACS user
CommunicationUserIdentifier user = new CommunicationUserIdentifier("8:acs:resource-id_user-id");
// Get raw ID
String rawId = user.getId();
PhoneNumberIdentifier
import com.azure.communication.common.PhoneNumberIdentifier;
// E.164 format phone number
PhoneNumberIdentifier phone = new PhoneNumberIdentifier("+14255551234");
String phoneNumber = phone.getPhoneNumber(); // "+14255551234"
String rawId = phone.getRawId(); // "4:+14255551234"
MicrosoftTeamsUserIdentifier
import com.azure.communication.common.MicrosoftTeamsUserIdentifier;
// Teams user identifier
MicrosoftTeamsUserIdentifier teamsUser = new MicrosoftTeamsUserIdentifier("<teams-user-id>")
.setCloudEnvironment(CommunicationCloudEnvironment.PUBLIC);
// For anonymous Teams users
MicrosoftTeamsUserIdentifier anonymousTeamsUser = new MicrosoftTeamsUserIdentifier("<teams-user-id>")
.setAnonymous(true);
UnknownIdentifier
import com.azure.communication.common.UnknownIdentifier;
// For identifiers of unknown type
UnknownIdentifier unknown = new UnknownIdentifier("some-raw-id");
`
Compatible Tools
Claude CodeCursor
Tags
Backend
