diff --git a/java/com/android/dialer/assisteddialing/ConcreteCreator.java b/java/com/android/dialer/assisteddialing/ConcreteCreator.java
index 1563b35..8a5661e 100644
--- a/java/com/android/dialer/assisteddialing/ConcreteCreator.java
+++ b/java/com/android/dialer/assisteddialing/ConcreteCreator.java
@@ -41,8 +41,9 @@
 
   // Floor set at N due to use of Optional.
   protected static final int BUILD_CODE_FLOOR = Build.VERSION_CODES.N;
-  // Ceiling set at O because this feature will ship as part of the framework in P.
-  @VisibleForTesting public static final int BUILD_CODE_CEILING = Build.VERSION_CODES.O;
+  // Ceiling set at O_MR1 because this feature will ship as part of the framework in P.
+  // TODO(erfanian): Switch to public build constant when 27 is available in public master.
+  @VisibleForTesting public static final int BUILD_CODE_CEILING = 27;
 
   /**
    * Creates a new AssistedDialingMediator
diff --git a/java/com/android/dialer/precall/externalreceiver/LaunchPreCallActivity.java b/java/com/android/dialer/precall/externalreceiver/LaunchPreCallActivity.java
index a7811fe..f79546e 100644
--- a/java/com/android/dialer/precall/externalreceiver/LaunchPreCallActivity.java
+++ b/java/com/android/dialer/precall/externalreceiver/LaunchPreCallActivity.java
@@ -23,6 +23,8 @@
 import android.support.annotation.Nullable;
 import com.android.dialer.callintent.CallInitiationType.Type;
 import com.android.dialer.callintent.CallIntentBuilder;
+import com.android.dialer.configprovider.ConfigProvider;
+import com.android.dialer.configprovider.ConfigProviderBindings;
 import com.android.dialer.logging.DialerImpression;
 import com.android.dialer.logging.Logger;
 import com.android.dialer.precall.PreCall;
@@ -50,13 +52,18 @@
   public void onCreate(@Nullable Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     Logger.get(this).logImpression(DialerImpression.Type.PRECALL_INITIATED_EXTERNAL);
+
+    ConfigProvider configProvider = ConfigProviderBindings.get(getApplicationContext());
     Intent intent = getIntent();
     CallIntentBuilder builder = new CallIntentBuilder(intent.getData(), Type.EXTERNAL_INITIATION);
     builder
         .setPhoneAccountHandle(intent.getParcelableExtra(EXTRA_PHONE_ACCOUNT_HANDLE))
         .setIsVideoCall(intent.getBooleanExtra(EXTRA_IS_VIDEO_CALL, false))
         .setCallSubject(intent.getStringExtra(EXTRA_CALL_SUBJECT))
-        .setAllowAssistedDial(intent.getBooleanExtra(EXTRA_ALLOW_ASSISTED_DIAL, false));
+        .setAllowAssistedDial(
+            intent.getBooleanExtra(
+                EXTRA_ALLOW_ASSISTED_DIAL,
+                configProvider.getBoolean("assisted_dialing_default_precall_state", false)));
     PreCall.start(this, builder);
     finish();
   }