diff --git a/eng/versioning/version_client.txt b/eng/versioning/version_client.txt
index 5a5204c3a915..3650e38a2b1e 100644
--- a/eng/versioning/version_client.txt
+++ b/eng/versioning/version_client.txt
@@ -73,7 +73,7 @@ com.azure:azure-analytics-synapse-spark;1.0.0-beta.5;1.0.0-beta.6
 com.azure:azure-analytics-synapse-managedprivateendpoints;1.0.0-beta.5;1.0.0-beta.6
 com.azure:azure-analytics-synapse-monitoring;1.0.0-beta.4;1.0.0-beta.5
 com.azure:azure-code-customization-parent;1.0.0-beta.1;1.0.0-beta.1
-com.azure:azure-communication-callautomation;1.5.2;1.6.0-beta.2
+com.azure:azure-communication-callautomation;1.5.2;1.6.0
 com.azure:azure-communication-callingserver;1.0.0-beta.4;1.0.0-beta.5
 com.azure:azure-communication-chat;1.6.4;1.7.0-beta.1
 com.azure:azure-communication-common;1.4.4;1.5.0-beta.1
diff --git a/sdk/communication/azure-communication-callautomation/CHANGELOG.md b/sdk/communication/azure-communication-callautomation/CHANGELOG.md
index b04adfbf680e..2c902f2d5860 100644
--- a/sdk/communication/azure-communication-callautomation/CHANGELOG.md
+++ b/sdk/communication/azure-communication-callautomation/CHANGELOG.md
@@ -1,14 +1,10 @@
 # Release History
 
-## 1.6.0-beta.2 (Unreleased)
+## 1.6.0 (2026-01-26)
 
 ### Features Added
 
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
+- Support for MicrosoftTeamsAppIdentifier CommunicationIdentifier
 
 ## 1.5.2 (2025-10-27)
 
diff --git a/sdk/communication/azure-communication-callautomation/README.md b/sdk/communication/azure-communication-callautomation/README.md
index ceb6c1978bf5..2a4d80b3b540 100644
--- a/sdk/communication/azure-communication-callautomation/README.md
+++ b/sdk/communication/azure-communication-callautomation/README.md
@@ -22,7 +22,7 @@ This package contains a Java SDK for Azure Communication Call Automation Service
 <dependency>
     <groupId>com.azure</groupId>
     <artifactId>azure-communication-callautomation</artifactId>
-    <version>1.5.0</version>
+    <version>1.6.0</version>
 </dependency>
 ```
 
diff --git a/sdk/communication/azure-communication-callautomation/pom.xml b/sdk/communication/azure-communication-callautomation/pom.xml
index 43b8a1a9a2ea..1fbd402ce88c 100644
--- a/sdk/communication/azure-communication-callautomation/pom.xml
+++ b/sdk/communication/azure-communication-callautomation/pom.xml
@@ -15,7 +15,7 @@
   <groupId>com.azure</groupId>
   <artifactId>azure-communication-callautomation</artifactId>
   <packaging>jar</packaging>
-  <version>1.6.0-beta.2</version> <!-- {x-version-update;com.azure:azure-communication-callautomation;current} -->
+  <version>1.6.0</version> <!-- {x-version-update;com.azure:azure-communication-callautomation;current} -->
 
   <name>Microsoft Azure client library for Call Automation service</name>
   <description>
diff --git a/sdk/communication/azure-communication-callautomation/src/main/java/com/azure/communication/callautomation/models/CallInvite.java b/sdk/communication/azure-communication-callautomation/src/main/java/com/azure/communication/callautomation/models/CallInvite.java
index a8f46242f707..3e32da898f68 100644
--- a/sdk/communication/azure-communication-callautomation/src/main/java/com/azure/communication/callautomation/models/CallInvite.java
+++ b/sdk/communication/azure-communication-callautomation/src/main/java/com/azure/communication/callautomation/models/CallInvite.java
@@ -8,6 +8,7 @@
 
 import com.azure.communication.common.CommunicationIdentifier;
 import com.azure.communication.common.CommunicationUserIdentifier;
+import com.azure.communication.common.MicrosoftTeamsAppIdentifier;
 import com.azure.communication.common.MicrosoftTeamsUserIdentifier;
 import com.azure.communication.common.PhoneNumberIdentifier;
 import com.azure.communication.common.TeamsExtensionUserIdentifier;
@@ -65,6 +66,16 @@ public CallInvite(TeamsExtensionUserIdentifier targetIdentity) {
         this.customCallingContext = new CustomCallingContext(null, new HashMap<>());
     }
 
+    /**
+     * Create a CallInvite object with MicrosoftTeamsAppIdentifier
+     * @param targetIdentity Target's MicrosoftTeamsAppIdentifier
+     */
+    public CallInvite(MicrosoftTeamsAppIdentifier targetIdentity) {
+        this.targetParticipant = targetIdentity;
+        this.sourceCallerIdNumber = null;
+        this.customCallingContext = new CustomCallingContext(null, new HashMap<>());
+    }
+
     /**
      * Get target's CommunicationIdentifier
      * @return target's CommunicationIdentifier
diff --git a/sdk/communication/azure-communication-callautomation/src/main/java/com/azure/communication/callautomation/models/TransferCallToParticipantOptions.java b/sdk/communication/azure-communication-callautomation/src/main/java/com/azure/communication/callautomation/models/TransferCallToParticipantOptions.java
index 2cf8a30837ac..65455f87ea1a 100644
--- a/sdk/communication/azure-communication-callautomation/src/main/java/com/azure/communication/callautomation/models/TransferCallToParticipantOptions.java
+++ b/sdk/communication/azure-communication-callautomation/src/main/java/com/azure/communication/callautomation/models/TransferCallToParticipantOptions.java
@@ -7,6 +7,7 @@
 
 import com.azure.communication.common.CommunicationIdentifier;
 import com.azure.communication.common.CommunicationUserIdentifier;
+import com.azure.communication.common.MicrosoftTeamsAppIdentifier;
 import com.azure.communication.common.MicrosoftTeamsUserIdentifier;
 import com.azure.communication.common.PhoneNumberIdentifier;
 import com.azure.communication.common.TeamsExtensionUserIdentifier;
@@ -90,6 +91,17 @@ public TransferCallToParticipantOptions(TeamsExtensionUserIdentifier targetParti
         this.customCallingContext = new CustomCallingContext(null, new HashMap<>());
     }
 
+    /**
+    * Constructor
+    *
+    * @param targetParticipant {@link MicrosoftTeamsAppIdentifier} contains information for TransferTarget(to whom the call is transferred).
+    */
+    public TransferCallToParticipantOptions(MicrosoftTeamsAppIdentifier targetParticipant) {
+        this.targetParticipant = targetParticipant;
+        this.sourceCallerIdNumber = null;
+        this.customCallingContext = new CustomCallingContext(null, new HashMap<>());
+    }
+
     /**
      * Get the operationContext.
      *
diff --git a/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallAutomationAsyncClientUnitTests.java b/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallAutomationAsyncClientUnitTests.java
index b44f72d2f7a1..53bc76b3a1b9 100644
--- a/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallAutomationAsyncClientUnitTests.java
+++ b/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallAutomationAsyncClientUnitTests.java
@@ -15,8 +15,10 @@
 import com.azure.communication.callautomation.models.ConnectCallOptions;
 import com.azure.communication.callautomation.models.ConnectCallResult;
 import com.azure.communication.callautomation.models.RoomCallLocator;
+import com.azure.communication.common.CommunicationCloudEnvironment;
 import com.azure.communication.common.CommunicationIdentifier;
 import com.azure.communication.common.CommunicationUserIdentifier;
+import com.azure.communication.common.MicrosoftTeamsAppIdentifier;
 import com.azure.core.http.rest.Response;
 import org.junit.jupiter.api.Test;
 
@@ -177,6 +179,67 @@ public void rejectCallWithResponse() {
         assertEquals(204, rejectCallResponse.getStatusCode());
     }
 
+    @Test
+    public void createCallWithMicrosoftTeamsAppIdentifier() {
+        CallAutomationAsyncClient callAutomationAsyncClient = getCallAutomationAsyncClient(new ArrayList<>(
+            Collections.singletonList(new AbstractMap.SimpleEntry<>(generateCallProperties(CALL_CONNECTION_ID,
+                CALL_SERVER_CALL_ID, CALL_CALLER_ID, CALL_CALLER_DISPLAY_NAME, CALL_TARGET_ID, CALL_CONNECTION_STATE,
+                CALL_SUBJECT, CALL_CALLBACK_URL, null, null), 201))));
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        CallInvite callInvite = new CallInvite(teamsAppIdentifier);
+
+        CreateCallResult createCallResult = callAutomationAsyncClient.createCall(callInvite, CALL_CALLBACK_URL).block();
+        assertNotNull(createCallResult);
+    }
+
+    @Test
+    public void createCallWithResponseMicrosoftTeamsAppIdentifier() {
+        CallAutomationAsyncClient callAutomationAsyncClient = getCallAutomationAsyncClient(new ArrayList<>(
+            Collections.singletonList(new AbstractMap.SimpleEntry<>(generateCallProperties(CALL_CONNECTION_ID,
+                CALL_SERVER_CALL_ID, CALL_CALLER_ID, CALL_CALLER_DISPLAY_NAME, CALL_TARGET_ID, CALL_CONNECTION_STATE,
+                CALL_SUBJECT, CALL_CALLBACK_URL, null, null), 201))));
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        CallInvite callInvite = new CallInvite(teamsAppIdentifier);
+        CreateCallOptions callOptions = new CreateCallOptions(callInvite, CALL_CALLBACK_URL);
+        callOptions.setOperationContext(CALL_SUBJECT);
+
+        Response<CreateCallResult> createCallResult
+            = callAutomationAsyncClient.createCallWithResponse(callOptions).block();
+
+        assertNotNull(createCallResult);
+        assertEquals(201, createCallResult.getStatusCode());
+        assertNotNull(createCallResult.getValue());
+    }
+
+    @Test
+    public void redirectCallWithMicrosoftTeamsAppIdentifier() {
+        CallAutomationAsyncClient callAutomationAsyncClient = getCallAutomationAsyncClient(
+            new ArrayList<>(Collections.singletonList(new AbstractMap.SimpleEntry<>("", 204))));
+
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        CallInvite target = new CallInvite(teamsAppIdentifier);
+
+        callAutomationAsyncClient.redirectCall(CALL_INCOMING_CALL_CONTEXT, target);
+    }
+
+    @Test
+    public void redirectCallWithResponseMicrosoftTeamsAppIdentifier() {
+        CallAutomationAsyncClient callAutomationAsyncClient = getCallAutomationAsyncClient(
+            new ArrayList<>(Collections.singletonList(new AbstractMap.SimpleEntry<>("", 204))));
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        CallInvite target = new CallInvite(teamsAppIdentifier);
+        RedirectCallOptions redirectCallOptions = new RedirectCallOptions(CALL_INCOMING_CALL_CONTEXT, target);
+        Response<Void> redirectCallResponse
+            = callAutomationAsyncClient.redirectCallWithResponse(redirectCallOptions).block();
+
+        assertNotNull(redirectCallResponse);
+        assertEquals(204, redirectCallResponse.getStatusCode());
+    }
+
     @Test
     public void connect() {
         CallAutomationAsyncClient callAutomationAsyncClient = getCallAutomationAsyncClient(new ArrayList<>(
diff --git a/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallAutomationClientUnitTests.java b/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallAutomationClientUnitTests.java
index 138902f8c85b..7b5d2fe0bacb 100644
--- a/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallAutomationClientUnitTests.java
+++ b/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallAutomationClientUnitTests.java
@@ -11,8 +11,10 @@
 import com.azure.communication.callautomation.models.CreateCallResult;
 import com.azure.communication.callautomation.models.RedirectCallOptions;
 import com.azure.communication.callautomation.models.RejectCallOptions;
+import com.azure.communication.common.CommunicationCloudEnvironment;
 import com.azure.communication.common.CommunicationIdentifier;
 import com.azure.communication.common.CommunicationUserIdentifier;
+import com.azure.communication.common.MicrosoftTeamsAppIdentifier;
 import com.azure.core.http.rest.Response;
 import com.azure.core.util.Context;
 import org.junit.jupiter.api.Test;
@@ -119,6 +121,32 @@ public void redirectCallWithResponse() {
         assertEquals(204, redirectCallResponse.getStatusCode());
     }
 
+    @Test
+    public void redirectCallWithMicrosoftTeamsAppIdentifier() {
+        CallAutomationClient callAutomationClient
+            = getCallAutomationClient(new ArrayList<>(Collections.singletonList(new SimpleEntry<>("", 204))));
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        CallInvite target = new CallInvite(teamsAppIdentifier);
+
+        callAutomationClient.redirectCall(CALL_INCOMING_CALL_CONTEXT, target);
+    }
+
+    @Test
+    public void redirectCallWithResponseMicrosoftTeamsAppIdentifier() {
+        CallAutomationClient callAutomationClient
+            = getCallAutomationClient(new ArrayList<>(Collections.singletonList(new SimpleEntry<>("", 204))));
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        CallInvite target = new CallInvite(teamsAppIdentifier);
+        RedirectCallOptions redirectCallOptions = new RedirectCallOptions(CALL_INCOMING_CALL_CONTEXT, target);
+
+        Response<Void> redirectCallResponse
+            = callAutomationClient.redirectCallWithResponse(redirectCallOptions, Context.NONE);
+
+        assertEquals(204, redirectCallResponse.getStatusCode());
+    }
+
     @Test
     public void rejectCall() {
         CallAutomationClient callAutomationClient
diff --git a/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallConnectionAsyncUnitTests.java b/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallConnectionAsyncUnitTests.java
index 6abad88ce601..552bc1c39f6d 100644
--- a/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallConnectionAsyncUnitTests.java
+++ b/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallConnectionAsyncUnitTests.java
@@ -21,7 +21,9 @@
 import com.azure.communication.callautomation.models.RemoveParticipantResult;
 import com.azure.communication.callautomation.models.TransferCallResult;
 import com.azure.communication.callautomation.models.TransferCallToParticipantOptions;
+import com.azure.communication.common.CommunicationCloudEnvironment;
 import com.azure.communication.common.CommunicationUserIdentifier;
+import com.azure.communication.common.MicrosoftTeamsAppIdentifier;
 import com.azure.communication.common.PhoneNumberIdentifier;
 import com.azure.core.http.rest.Response;
 import com.azure.core.exception.HttpResponseException;
@@ -163,6 +165,40 @@ public void transferToParticipantCallPhoneNumberIdentifier() {
         assertEquals(CALL_OPERATION_CONTEXT, transferCallResult.getOperationContext());
     }
 
+    @Test
+    public void transferToParticipantCallMicrosoftTeamsAppIdentifier() {
+        CallConnectionAsync callConnectionAsync
+            = getCallAutomationAsyncClient(new ArrayList<>(Collections.singletonList(new SimpleEntry<>(
+                serializeObject(new TransferCallResponseInternal().setOperationContext(CALL_OPERATION_CONTEXT)), 202))))
+                    .getCallConnectionAsync(CALL_CONNECTION_ID);
+
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        TransferCallResult transferCallResult
+            = callConnectionAsync.transferCallToParticipant(teamsAppIdentifier).block();
+        assertNotNull(transferCallResult);
+        assertEquals(CALL_OPERATION_CONTEXT, transferCallResult.getOperationContext());
+    }
+
+    @Test
+    public void transferToParticipantCallWithResponseMicrosoftTeamsAppIdentifier() {
+        CallConnectionAsync callConnectionAsync
+            = getCallAutomationAsyncClient(new ArrayList<>(Collections.singletonList(new SimpleEntry<>(
+                serializeObject(new TransferCallResponseInternal().setOperationContext(CALL_OPERATION_CONTEXT)), 202))))
+                    .getCallConnectionAsync(CALL_CONNECTION_ID);
+
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        TransferCallToParticipantOptions transferCallToParticipantOptions
+            = new TransferCallToParticipantOptions(teamsAppIdentifier).setOperationContext(CALL_OPERATION_CONTEXT);
+        Response<TransferCallResult> transferCallResultResponse
+            = callConnectionAsync.transferCallToParticipantWithResponse(transferCallToParticipantOptions).block();
+
+        assertNotNull(transferCallResultResponse);
+        assertEquals(202, transferCallResultResponse.getStatusCode());
+        assertNotNull(transferCallResultResponse.getValue());
+    }
+
     @Test
     public void transferToParticipantCallWithResponse() {
         CallConnectionAsync callConnectionAsync
@@ -309,6 +345,38 @@ public void addParticipantsWithResponse() {
         assertNotNull(addParticipantsResultResponse.getValue());
     }
 
+    @Test
+    public void addParticipantWithMicrosoftTeamsAppIdentifier() {
+        CallConnectionAsync callConnectionAsync = getCallAutomationAsyncClient(
+            new ArrayList<>(Collections.singletonList(new SimpleEntry<>(generateAddParticipantsResponse(), 202))))
+                .getCallConnectionAsync(CALL_CONNECTION_ID);
+
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        AddParticipantResult addParticipantsResult
+            = callConnectionAsync.addParticipant(new CallInvite(teamsAppIdentifier)).block();
+
+        assertNotNull(addParticipantsResult);
+    }
+
+    @Test
+    public void addParticipantWithResponseMicrosoftTeamsAppIdentifier() {
+        CallConnectionAsync callConnectionAsync = getCallAutomationAsyncClient(
+            new ArrayList<>(Collections.singletonList(new SimpleEntry<>(generateAddParticipantsResponse(), 202))))
+                .getCallConnectionAsync(CALL_CONNECTION_ID);
+
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        AddParticipantOptions addParticipantsOptions
+            = new AddParticipantOptions(new CallInvite(teamsAppIdentifier)).setOperationContext(CALL_OPERATION_CONTEXT);
+        Response<AddParticipantResult> addParticipantsResultResponse
+            = callConnectionAsync.addParticipantWithResponse(addParticipantsOptions).block();
+
+        assertNotNull(addParticipantsResultResponse);
+        assertEquals(202, addParticipantsResultResponse.getStatusCode());
+        assertNotNull(addParticipantsResultResponse.getValue());
+    }
+
     @Test
     public void removeParticipants() {
         CallConnectionAsync callConnectionAsync
diff --git a/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallConnectionUnitTests.java b/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallConnectionUnitTests.java
index 86c606513cc8..472a8bfcba26 100644
--- a/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallConnectionUnitTests.java
+++ b/sdk/communication/azure-communication-callautomation/src/test/java/com/azure/communication/callautomation/CallConnectionUnitTests.java
@@ -21,7 +21,9 @@
 import com.azure.communication.callautomation.models.TransferCallResult;
 import com.azure.communication.callautomation.models.TransferCallToParticipantOptions;
 import com.azure.communication.callautomation.models.SipHeaderPrefix;
+import com.azure.communication.common.CommunicationCloudEnvironment;
 import com.azure.communication.common.CommunicationUserIdentifier;
+import com.azure.communication.common.MicrosoftTeamsAppIdentifier;
 import com.azure.communication.common.PhoneNumberIdentifier;
 import com.azure.core.http.rest.Response;
 import com.azure.core.util.Context;
@@ -165,6 +167,37 @@ public void transferToParticipantCallPhoneNumberIdentifier() {
         assertEquals(CALL_OPERATION_CONTEXT, transferCallResult.getOperationContext());
     }
 
+    @Test
+    public void transferToParticipantCallMicrosoftTeamsAppIdentifier() {
+        CallConnection callConnection
+            = getCallAutomationClient(new ArrayList<>(Collections.singletonList(new SimpleEntry<>(
+                serializeObject(new TransferCallResponseInternal().setOperationContext(CALL_OPERATION_CONTEXT)), 202))))
+                    .getCallConnection(CALL_CONNECTION_ID);
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        TransferCallResult transferCallResult = callConnection.transferCallToParticipant(teamsAppIdentifier);
+
+        assertNotNull(transferCallResult);
+        assertEquals(CALL_OPERATION_CONTEXT, transferCallResult.getOperationContext());
+    }
+
+    @Test
+    public void transferToParticipantCallWithResponseMicrosoftTeamsAppIdentifier() {
+        CallConnection callConnection
+            = getCallAutomationClient(new ArrayList<>(Collections.singletonList(new SimpleEntry<>(
+                serializeObject(new TransferCallResponseInternal().setOperationContext(CALL_OPERATION_CONTEXT)), 202))))
+                    .getCallConnection(CALL_CONNECTION_ID);
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        Response<TransferCallResult> transferCallResultResponse = callConnection.transferCallToParticipantWithResponse(
+            new TransferCallToParticipantOptions(teamsAppIdentifier).setOperationContext(CALL_OPERATION_CONTEXT),
+            Context.NONE);
+
+        assertNotNull(transferCallResultResponse);
+        assertEquals(202, transferCallResultResponse.getStatusCode());
+        assertNotNull(transferCallResultResponse.getValue());
+    }
+
     @Test
     public void transferToParticipantCallWithResponse() {
         CallConnection callConnection
@@ -247,6 +280,35 @@ public void addParticipantsWithResponse() {
         assertNotNull(addParticipantsResultResponse.getValue());
     }
 
+    @Test
+    public void addParticipantWithMicrosoftTeamsAppIdentifier() {
+        CallConnection callConnection = getCallAutomationClient(
+            new ArrayList<>(Collections.singletonList(new SimpleEntry<>(generateAddParticipantsResponse(), 202))))
+                .getCallConnection(CALL_CONNECTION_ID);
+
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        AddParticipantResult addParticipantsResult = callConnection.addParticipant(new CallInvite(teamsAppIdentifier));
+        assertNotNull(addParticipantsResult);
+    }
+
+    @Test
+    public void addParticipantWithResponseMicrosoftTeamsAppIdentifier() {
+        CallConnection callConnection = getCallAutomationClient(
+            new ArrayList<>(Collections.singletonList(new SimpleEntry<>(generateAddParticipantsResponse(), 202))))
+                .getCallConnection(CALL_CONNECTION_ID);
+
+        MicrosoftTeamsAppIdentifier teamsAppIdentifier
+            = new MicrosoftTeamsAppIdentifier(CALL_TARGET_ID, CommunicationCloudEnvironment.PUBLIC);
+        CallInvite callInvite = new CallInvite(teamsAppIdentifier);
+        Response<AddParticipantResult> addParticipantsResultResponse = callConnection.addParticipantWithResponse(
+            new AddParticipantOptions(callInvite).setOperationContext(CALL_OPERATION_CONTEXT), Context.NONE);
+
+        assertNotNull(addParticipantsResultResponse);
+        assertEquals(202, addParticipantsResultResponse.getStatusCode());
+        assertNotNull(addParticipantsResultResponse.getValue());
+    }
+
     @Test
     public void removeParticipants() {
         CallConnection callConnection