diff --git a/telecomm/java/android/telecom/CallAttributes.java b/telecomm/java/android/telecom/CallAttributes.java
index 8c6e101..afd34fc 100644
--- a/telecomm/java/android/telecom/CallAttributes.java
+++ b/telecomm/java/android/telecom/CallAttributes.java
@@ -16,6 +16,7 @@
 
 package android.telecom;
 
+import android.annotation.FlaggedApi;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
@@ -24,6 +25,8 @@
 import android.os.Parcelable;
 import android.text.TextUtils;
 
+import com.android.server.telecom.flags.Flags;
+
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.Objects;
@@ -113,7 +116,8 @@
     public static final int VIDEO_CALL = 2;
 
     /** @hide */
-    @IntDef(value = {SUPPORTS_SET_INACTIVE, SUPPORTS_STREAM, SUPPORTS_TRANSFER}, flag = true)
+    @IntDef(value = {SUPPORTS_SET_INACTIVE, SUPPORTS_STREAM, SUPPORTS_TRANSFER,
+            SUPPORTS_VIDEO_CALLING}, flag = true)
     @Retention(RetentionPolicy.SOURCE)
     public @interface CallCapability {
     }
@@ -133,6 +137,12 @@
      * The call can be completely transferred from one endpoint to another.
      */
     public static final int SUPPORTS_TRANSFER = 1 << 3;
+    /**
+     * The call supports video calling. This allows clients to gate video calling on a per call
+     * basis as opposed to re-registering the phone account.
+     */
+    @FlaggedApi(Flags.FLAG_TRANSACTIONAL_VIDEO_STATE)
+    public static final int SUPPORTS_VIDEO_CALLING = 1 << 4;
 
     /**
      * Build an instance of {@link CallAttributes}. In order to build a valid instance, a
diff --git a/telecomm/java/android/telecom/CallControl.java b/telecomm/java/android/telecom/CallControl.java
index a1407869..808a575 100644
--- a/telecomm/java/android/telecom/CallControl.java
+++ b/telecomm/java/android/telecom/CallControl.java
@@ -293,12 +293,50 @@
         try {
             mServerInterface.setMuteState(isMuted,
                     new CallControlResultReceiver("requestMuteState", executor, callback));
-
         } catch (RemoteException e) {
             throw e.rethrowAsRuntimeException();
         }
     }
 
+     /**
+     * Request a new video state for the ongoing call. This can only be changed if the application
+     * has registered a {@link PhoneAccount} with the
+     * {@link PhoneAccount#CAPABILITY_SUPPORTS_VIDEO_CALLING} and set the
+     * {@link CallAttributes#SUPPORTS_VIDEO_CALLING} when adding the call via
+     * {@link TelecomManager#addCall(CallAttributes, Executor, OutcomeReceiver,
+     *                                                      CallControlCallback, CallEventCallback)}
+     *
+     * @param videoState to report to Telecom. To see the valid argument to pass,
+      *                   see {@link CallAttributes.CallType}.
+     * @param executor   The {@link Executor} on which the {@link OutcomeReceiver} callback
+     *                   will be called on.
+     * @param callback   that will be completed on the Telecom side that details success or failure
+     *                   of the requested operation.
+     *
+     *                   {@link OutcomeReceiver#onResult} will be called if Telecom has successfully
+     *                   switched the video state.
+     *
+     *                   {@link OutcomeReceiver#onError} will be called if Telecom has failed to set
+     *                   the new video state.  A {@link CallException} will be passed
+     *                   that details why the operation failed.
+     * @throws IllegalArgumentException if the argument passed for videoState is invalid.  To see a
+     * list of valid states, see {@link CallAttributes.CallType}.
+     */
+     @FlaggedApi(Flags.FLAG_TRANSACTIONAL_VIDEO_STATE)
+     public void requestVideoState(@CallAttributes.CallType int videoState,
+             @CallbackExecutor @NonNull Executor executor,
+             @NonNull OutcomeReceiver<Void, CallException> callback) {
+         validateVideoState(videoState);
+         Objects.requireNonNull(executor);
+         Objects.requireNonNull(callback);
+         try {
+             mServerInterface.requestVideoState(videoState, mCallId,
+                     new CallControlResultReceiver("requestVideoState", executor, callback));
+         } catch (RemoteException e) {
+             throw e.rethrowAsRuntimeException();
+         }
+     }
+
     /**
      * Raises an event to the {@link android.telecom.InCallService} implementations tracking this
      * call via {@link android.telecom.Call.Callback#onConnectionEvent(Call, String, Bundle)}.
diff --git a/telecomm/java/android/telecom/CallEventCallback.java b/telecomm/java/android/telecom/CallEventCallback.java
index a41c011..b0438bf 100644
--- a/telecomm/java/android/telecom/CallEventCallback.java
+++ b/telecomm/java/android/telecom/CallEventCallback.java
@@ -16,9 +16,12 @@
 
 package android.telecom;
 
+import android.annotation.FlaggedApi;
 import android.annotation.NonNull;
 import android.os.Bundle;
 
+import com.android.server.telecom.flags.Flags;
+
 import java.util.List;
 
 /**
@@ -51,6 +54,14 @@
     void onMuteStateChanged(boolean isMuted);
 
     /**
+     * Called when the video state changes.
+     *
+     * @param videoState The current video state.
+     */
+    @FlaggedApi(Flags.FLAG_TRANSACTIONAL_VIDEO_STATE)
+    default void onVideoStateChanged(@CallAttributes.CallType int videoState) {}
+
+    /**
      * Telecom is informing the client user requested call streaming but the stream can't be
      * started.
      *