diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 038352e..bacec34 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -41,7 +41,8 @@
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.READ_SYNC_SETTINGS" />
     <uses-permission android:name="com.android.voicemail.permission.ADD_VOICEMAIL" />
-    <uses-permission android:name="com.android.voicemail.permission.READ_WRITE_ALL_VOICEMAIL" />
+    <uses-permission android:name="com.android.voicemail.permission.MANAGE_VOICEMAIL" />
+    <uses-permission android:name="com.android.voicemail.permission.READ_ALL_VOICEMAIL" />
     <uses-permission android:name="android.permission.ALLOW_ANY_CODEC_FOR_PLAYBACK" />
     <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT"/>
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
diff --git a/src/com/android/dialer/DialtactsActivity.java b/src/com/android/dialer/DialtactsActivity.java
index f9a2f5b..b40a5fc 100644
--- a/src/com/android/dialer/DialtactsActivity.java
+++ b/src/com/android/dialer/DialtactsActivity.java
@@ -30,6 +30,9 @@
 import android.content.res.Resources;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.phone.PhoneManager;
 import android.provider.ContactsContract.Contacts;
 import android.provider.ContactsContract.Intents;
 import android.speech.RecognizerIntent;
@@ -801,7 +804,7 @@
         final boolean callKey = Intent.ACTION_CALL_BUTTON.equals(intent.getAction());
 
         if (callKey) {
-            getTelephonyManager().showCallScreen();
+            getPhoneManager().showCallScreen(false);
             return true;
         }
 
@@ -1029,8 +1032,7 @@
     }
 
     private boolean phoneIsInUse() {
-        // TODO(santoscordon): Replace with a TelecommService method call.
-        return getTelephonyManager().getCallState() != TelephonyManager.CALL_STATE_IDLE;
+        return getPhoneManager().isInAPhoneCall();
     }
 
     public static Intent getAddNumberToContactIntent(CharSequence text) {
@@ -1154,6 +1156,10 @@
         return (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
     }
 
+    private PhoneManager getPhoneManager() {
+        return (PhoneManager) getSystemService(Context.PHONE_SERVICE);
+    }
+
     @Override
     public boolean isActionBarShowing() {
         return mActionBarController.isActionBarShowing();
diff --git a/src/com/android/dialer/dialpad/DialpadFragment.java b/src/com/android/dialer/dialpad/DialpadFragment.java
index f9139c7..0c1450a 100644
--- a/src/com/android/dialer/dialpad/DialpadFragment.java
+++ b/src/com/android/dialer/dialpad/DialpadFragment.java
@@ -34,12 +34,12 @@
 import android.media.ToneGenerator;
 import android.net.Uri;
 import android.os.Bundle;
+import android.phone.PhoneManager;
 import android.provider.Contacts.People;
 import android.provider.Contacts.Phones;
 import android.provider.Contacts.PhonesColumns;
 import android.provider.Settings;
 import android.telecomm.PhoneAccount;
-import android.telecomm.TelecommManager;
 import android.telephony.PhoneNumberUtils;
 import android.telephony.PhoneStateListener;
 import android.telephony.TelephonyManager;
@@ -68,12 +68,13 @@
 
 import com.android.contacts.common.CallUtil;
 import com.android.contacts.common.GeoUtil;
+
 import com.android.contacts.common.PhoneAccountManager;
 import com.android.contacts.common.dialog.SelectAccountDialogFragment;
 import com.android.contacts.common.util.PhoneNumberFormatter;
 import com.android.contacts.common.util.StopWatch;
-import com.android.dialer.NeededForReflection;
 import com.android.dialer.DialtactsActivity;
+import com.android.dialer.NeededForReflection;
 import com.android.dialer.R;
 import com.android.dialer.SpecialCharSequenceMgr;
 import com.android.dialer.util.DialerUtils;
@@ -215,7 +216,7 @@
      * press/depress of the "hookswitch" of a landline phone. Aka "empty flash".
      *
      * TODO: Using an intent extra to tell the phone to send this flash is a
-     * temporary measure. To be replaced with an Telephony/TelecommManager call in the future.
+     * temporary measure. To be replaced with an Telephony/PhoneManager call in the future.
      * TODO: Keep in sync with the string defined in OutgoingCallBroadcaster.java
      * in Phone app until this is replaced with the Telephony/Telecomm API.
      */
@@ -275,8 +276,8 @@
         return (TelephonyManager) getActivity().getSystemService(Context.TELEPHONY_SERVICE);
     }
 
-    private TelecommManager getTelecommManager() {
-        return (TelecommManager) getActivity().getSystemService(Context.TELECOMM_SERVICE);
+    private PhoneManager getPhoneManager() {
+        return (PhoneManager) getActivity().getSystemService(Context.PHONE_SERVICE);
     }
 
     @Override
@@ -1389,7 +1390,7 @@
      * or "return to call" from the dialpad chooser.
      */
     private void returnToInCallScreen(boolean showDialpad) {
-        getTelephonyManager().showCallScreenWithDialpad(showDialpad);
+        getPhoneManager().showCallScreen(showDialpad);
 
         // Finally, finish() ourselves so that we don't stay on the
         // activity stack.
@@ -1407,7 +1408,7 @@
      *              is active (ie. off hook or ringing or dialing, or on hold).
      */
     public boolean isPhoneInUse() {
-        return getTelecommManager().isInAPhoneCall();
+        return getPhoneManager().isInAPhoneCall();
     }
 
     /**