diff --git a/telecomm/java/android/telecom/ConnectionService.java b/telecomm/java/android/telecom/ConnectionService.java
index 8bc80ad..bf0b3ae 100755
--- a/telecomm/java/android/telecom/ConnectionService.java
+++ b/telecomm/java/android/telecom/ConnectionService.java
@@ -2448,6 +2448,42 @@
     }
 
     /**
+     * Ask some other {@code ConnectionService} to create a {@code RemoteConference} given an
+     * incoming request. This is used by {@code ConnectionService}s that are registered with
+     * {@link PhoneAccount#CAPABILITY_ADHOC_CONFERENCE_CALLING}.
+     *
+     * @param connectionManagerPhoneAccount See description at
+     *          {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}.
+     * @param request Details about the incoming conference call.
+     * @return The {@code RemoteConference} object to satisfy this call, or {@code null} to not
+     *         handle the call.
+     */
+    public final @Nullable RemoteConference createRemoteIncomingConference(
+            @Nullable PhoneAccountHandle connectionManagerPhoneAccount,
+            @Nullable ConnectionRequest request) {
+        return mRemoteConnectionManager.createRemoteConference(connectionManagerPhoneAccount,
+                request, true);
+    }
+
+    /**
+     * Ask some other {@code ConnectionService} to create a {@code RemoteConference} given an
+     * outgoing request. This is used by {@code ConnectionService}s that are registered with
+     * {@link PhoneAccount#CAPABILITY_ADHOC_CONFERENCE_CALLING}.
+     *
+     * @param connectionManagerPhoneAccount See description at
+     *          {@link #onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}.
+     * @param request Details about the outgoing conference call.
+     * @return The {@code RemoteConference} object to satisfy this call, or {@code null} to not
+     *         handle the call.
+     */
+    public final @Nullable RemoteConference createRemoteOutgoingConference(
+            @Nullable PhoneAccountHandle connectionManagerPhoneAccount,
+            @Nullable ConnectionRequest request) {
+        return mRemoteConnectionManager.createRemoteConference(connectionManagerPhoneAccount,
+                request, false);
+    }
+
+    /**
      * Indicates to the relevant {@code RemoteConnectionService} that the specified
      * {@link RemoteConnection}s should be merged into a conference call.
      * <p>
diff --git a/telecomm/java/android/telecom/RemoteConference.java b/telecomm/java/android/telecom/RemoteConference.java
index 502b7c0..e024e61 100644
--- a/telecomm/java/android/telecom/RemoteConference.java
+++ b/telecomm/java/android/telecom/RemoteConference.java
@@ -16,14 +16,14 @@
 
 package android.telecom;
 
-import com.android.internal.telecom.IConnectionService;
-
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.RemoteException;
 
+import com.android.internal.telecom.IConnectionService;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -155,6 +155,14 @@
     }
 
     /** @hide */
+    RemoteConference(DisconnectCause disconnectCause) {
+        mId = "NULL";
+        mConnectionService = null;
+        mState = Connection.STATE_DISCONNECTED;
+        mDisconnectCause = disconnectCause;
+    }
+
+    /** @hide */
     String getId() {
         return mId;
     }
@@ -583,4 +591,16 @@
             }
         }
     }
+
+    /**
+     * Create a {@link RemoteConference} represents a failure, and which will
+     * be in {@link Connection#STATE_DISCONNECTED}.
+     *
+     * @param disconnectCause The disconnect cause.
+     * @return a failed {@link RemoteConference}
+     * @hide
+     */
+    public static RemoteConference failure(DisconnectCause disconnectCause) {
+        return new RemoteConference(disconnectCause);
+    }
 }
diff --git a/telecomm/java/android/telecom/RemoteConnection.java b/telecomm/java/android/telecom/RemoteConnection.java
index 05480dc..78b4f3b 100644
--- a/telecomm/java/android/telecom/RemoteConnection.java
+++ b/telecomm/java/android/telecom/RemoteConnection.java
@@ -16,10 +16,6 @@
 
 package android.telecom;
 
-import com.android.internal.telecom.IConnectionService;
-import com.android.internal.telecom.IVideoCallback;
-import com.android.internal.telecom.IVideoProvider;
-
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
@@ -32,6 +28,10 @@
 import android.os.RemoteException;
 import android.view.Surface;
 
+import com.android.internal.telecom.IConnectionService;
+import com.android.internal.telecom.IVideoCallback;
+import com.android.internal.telecom.IVideoProvider;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -1061,6 +1061,23 @@
     }
 
     /**
+     * Instructs this {@link RemoteConnection} to initiate a conference with a list of
+     * participants.
+     * <p>
+     *
+     * @param participants with which conference call will be formed.
+     */
+    public void addConferenceParticipants(@NonNull List<Uri> participants) {
+        try {
+            if (mConnected) {
+                mConnectionService.addConferenceParticipants(mConnectionId, participants,
+                        null /*Session.Info*/);
+            }
+        } catch (RemoteException ignored) {
+        }
+    }
+
+    /**
      * Set the audio state of this {@code RemoteConnection}.
      *
      * @param state The audio state of this {@code RemoteConnection}.
diff --git a/telecomm/java/android/telecom/RemoteConnectionManager.java b/telecomm/java/android/telecom/RemoteConnectionManager.java
index 0322218..f3c7bd8 100644
--- a/telecomm/java/android/telecom/RemoteConnectionManager.java
+++ b/telecomm/java/android/telecom/RemoteConnectionManager.java
@@ -73,6 +73,37 @@
         return null;
     }
 
+    /**
+     * Ask a {@code RemoteConnectionService} to create a {@code RemoteConference}.
+     * @param connectionManagerPhoneAccount See description at
+     * {@link ConnectionService#onCreateOutgoingConnection(PhoneAccountHandle, ConnectionRequest)}.
+     * @param request Details about the incoming conference call.
+     * @param isIncoming {@code true} if it's an incoming conference.
+     * @return
+     */
+    public RemoteConference createRemoteConference(
+            PhoneAccountHandle connectionManagerPhoneAccount,
+            ConnectionRequest request,
+            boolean isIncoming) {
+        PhoneAccountHandle accountHandle = request.getAccountHandle();
+        if (accountHandle == null) {
+            throw new IllegalArgumentException("accountHandle must be specified.");
+        }
+
+        ComponentName componentName = request.getAccountHandle().getComponentName();
+        if (!mRemoteConnectionServices.containsKey(componentName)) {
+            throw new UnsupportedOperationException("accountHandle not supported: "
+                    + componentName);
+        }
+
+        RemoteConnectionService remoteService = mRemoteConnectionServices.get(componentName);
+        if (remoteService != null) {
+            return remoteService.createRemoteConference(
+                    connectionManagerPhoneAccount, request, isIncoming);
+        }
+        return null;
+    }
+
     public void conferenceRemoteConnections(RemoteConnection a, RemoteConnection b) {
         if (a.getConnectionService() == b.getConnectionService()) {
             try {
diff --git a/telecomm/java/android/telecom/RemoteConnectionService.java b/telecomm/java/android/telecom/RemoteConnectionService.java
index cad5b70..0a02e79 100644
--- a/telecomm/java/android/telecom/RemoteConnectionService.java
+++ b/telecomm/java/android/telecom/RemoteConnectionService.java
@@ -31,9 +31,9 @@
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.List;
 import java.util.UUID;
 
 /**
@@ -573,6 +573,38 @@
         }
     }
 
+    RemoteConference createRemoteConference(
+            PhoneAccountHandle connectionManagerPhoneAccount,
+            ConnectionRequest request,
+            boolean isIncoming) {
+        final String id = UUID.randomUUID().toString();
+        try {
+            if (mConferenceById.isEmpty()) {
+                mOutgoingConnectionServiceRpc.addConnectionServiceAdapter(mServant.getStub(),
+                        null /*Session.Info*/);
+            }
+            RemoteConference conference = new RemoteConference(id, mOutgoingConnectionServiceRpc);
+            mOutgoingConnectionServiceRpc.createConference(connectionManagerPhoneAccount,
+                    id,
+                    request,
+                    isIncoming,
+                    false /* isUnknownCall */,
+                    null /*Session.info*/);
+            conference.registerCallback(new RemoteConference.Callback() {
+                @Override
+                public void onDestroyed(RemoteConference conference) {
+                    mConferenceById.remove(id);
+                    maybeDisconnectAdapter();
+                }
+            });
+            conference.putExtras(request.getExtras());
+            return conference;
+        } catch (RemoteException e) {
+            return RemoteConference.failure(
+                    new DisconnectCause(DisconnectCause.ERROR, e.toString()));
+        }
+    }
+
     private boolean hasConnection(String callId) {
         return mConnectionById.containsKey(callId);
     }