diff --git a/src/com/android/contacts/activities/DialtactsActivity.java b/src/com/android/contacts/activities/DialtactsActivity.java
index 50d6f17..baa4b4b 100644
--- a/src/com/android/contacts/activities/DialtactsActivity.java
+++ b/src/com/android/contacts/activities/DialtactsActivity.java
@@ -84,6 +84,13 @@
             "com.android.phone.CallFeaturesSetting";
 
     /**
+     * Copied from PhoneApp. See comments in Phone app for more detail.
+     */
+    public static final String EXTRA_CALL_ORIGIN = "com.android.phone.CALL_ORIGIN";
+    public static final String CALL_ORIGIN_DIALTACTS =
+            "com.android.contacts.activities.DialtactsActivity";
+
+    /**
      * Just for backward compatibility. Should behave as same as {@link Intent#ACTION_DIAL}.
      */
     private static final String ACTION_TOUCH_DIALER = "com.android.phone.action.TOUCH_DIALER";
@@ -697,7 +704,8 @@
         @Override
         public void onContactSelected(Uri contactUri) {
             PhoneNumberInteraction.startInteractionForPhoneCall(
-                    DialtactsActivity.this, contactUri);
+                    DialtactsActivity.this, contactUri,
+                    CALL_ORIGIN_DIALTACTS);
         }
     };
 
diff --git a/src/com/android/contacts/dialpad/DialpadFragment.java b/src/com/android/contacts/dialpad/DialpadFragment.java
index e9fbbbb..d1c5868 100644
--- a/src/com/android/contacts/dialpad/DialpadFragment.java
+++ b/src/com/android/contacts/dialpad/DialpadFragment.java
@@ -899,7 +899,12 @@
                 // Clear the digits just in case.
                 mDigits.getText().clear();
             } else {
-                startActivity(newDialNumberIntent(number));
+                final Intent intent = newDialNumberIntent(number);
+                if (getActivity() instanceof DialtactsActivity) {
+                    intent.putExtra(DialtactsActivity.EXTRA_CALL_ORIGIN,
+                            DialtactsActivity.CALL_ORIGIN_DIALTACTS);
+                }
+                startActivity(intent);
                 mDigits.getText().clear();  // TODO: Fix bug 1745781
                 getActivity().finish();
             }
diff --git a/src/com/android/contacts/interactions/PhoneNumberInteraction.java b/src/com/android/contacts/interactions/PhoneNumberInteraction.java
index a42456c..d10ec06 100644
--- a/src/com/android/contacts/interactions/PhoneNumberInteraction.java
+++ b/src/com/android/contacts/interactions/PhoneNumberInteraction.java
@@ -21,14 +21,11 @@
 import com.android.contacts.ContactSaveService;
 import com.android.contacts.ContactsUtils;
 import com.android.contacts.R;
+import com.android.contacts.activities.DialtactsActivity;
 import com.android.contacts.model.AccountType;
 import com.android.contacts.model.AccountType.StringInflater;
 import com.android.contacts.model.AccountTypeManager;
 import com.android.contacts.model.DataKind;
-import com.android.i18n.phonenumbers.NumberParseException;
-import com.android.i18n.phonenumbers.PhoneNumberUtil;
-import com.android.i18n.phonenumbers.PhoneNumberUtil.MatchType;
-import com.android.i18n.phonenumbers.Phonenumber.PhoneNumber;
 import com.google.common.annotations.VisibleForTesting;
 
 import android.app.Activity;
@@ -53,7 +50,6 @@
 import android.provider.ContactsContract.Contacts;
 import android.provider.ContactsContract.Data;
 import android.provider.ContactsContract.RawContacts;
-import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -197,17 +193,21 @@
 
         private static final String ARG_PHONE_LIST = "phoneList";
         private static final String ARG_INTERACTION_TYPE = "interactionType";
+        private static final String ARG_CALL_ORIGIN = "callOrigin";
 
         private InteractionType mInteractionType;
         private ListAdapter mPhonesAdapter;
         private List<PhoneItem> mPhoneList;
+        private String mCallOrigin;
 
         public static void show(FragmentManager fragmentManager,
-                ArrayList<PhoneItem> phoneList, InteractionType interactionType) {
+                ArrayList<PhoneItem> phoneList, InteractionType interactionType,
+                String callOrigin) {
             PhoneDisambiguationDialogFragment fragment = new PhoneDisambiguationDialogFragment();
             Bundle bundle = new Bundle();
             bundle.putParcelableArrayList(ARG_PHONE_LIST, phoneList);
             bundle.putSerializable(ARG_INTERACTION_TYPE, interactionType);
+            bundle.putString(ARG_CALL_ORIGIN, callOrigin);
             fragment.setArguments(bundle);
             fragment.show(fragmentManager, TAG);
         }
@@ -218,6 +218,8 @@
             mPhoneList = getArguments().getParcelableArrayList(ARG_PHONE_LIST);
             mInteractionType =
                     (InteractionType) getArguments().getSerializable(ARG_INTERACTION_TYPE);
+            mCallOrigin = getArguments().getString(ARG_CALL_ORIGIN);
+
             mPhonesAdapter = new PhoneItemAdapter(activity, mPhoneList, mInteractionType);
             final LayoutInflater inflater = activity.getLayoutInflater();
             final View setPrimaryView = inflater.inflate(R.layout.set_primary_checkbox, null);
@@ -242,7 +244,7 @@
                 }
 
                 PhoneNumberInteraction.performAction(getActivity(), phoneItem.phoneNumber,
-                        mInteractionType);
+                        mInteractionType, mCallOrigin);
             } else {
                 dialog.dismiss();
             }
@@ -266,22 +268,31 @@
     private final OnDismissListener mDismissListener;
     private final InteractionType mInteractionType;
 
+    private final String mCallOrigin;
+
     private CursorLoader mLoader;
 
     @VisibleForTesting
     /* package */ PhoneNumberInteraction(Context context, InteractionType interactionType,
             DialogInterface.OnDismissListener dismissListener) {
+        this(context, interactionType, dismissListener, null);
+    }
+
+    private PhoneNumberInteraction(Context context, InteractionType interactionType,
+            DialogInterface.OnDismissListener dismissListener, String callOrigin) {
         mContext = context;
         mInteractionType = interactionType;
         mDismissListener = dismissListener;
+        mCallOrigin = callOrigin;
     }
 
     private void performAction(String phoneNumber) {
-        PhoneNumberInteraction.performAction(mContext, phoneNumber, mInteractionType);
+        PhoneNumberInteraction.performAction(mContext, phoneNumber, mInteractionType, mCallOrigin);
     }
 
     private static void performAction(
-            Context context, String phoneNumber, InteractionType interactionType) {
+            Context context, String phoneNumber, InteractionType interactionType,
+            String callOrigin) {
         Intent intent;
         switch (interactionType) {
             case SMS:
@@ -291,6 +302,9 @@
             default:
                 intent = new Intent(
                         Intent.ACTION_CALL_PRIVILEGED, Uri.fromParts("tel", phoneNumber, null));
+                if (callOrigin != null) {
+                    intent.putExtra(DialtactsActivity.EXTRA_CALL_ORIGIN, callOrigin);
+                }
                 break;
         }
         context.startActivity(intent);
@@ -402,6 +416,17 @@
     }
 
     /**
+     * @param callOrigin If non null, {@link DialtactsActivity#EXTRA_CALL_ORIGIN} will be
+     * appended to the Intent initiating phone call. See comments in Phone package (PhoneApp)
+     * for more detail.
+     */
+    public static void startInteractionForPhoneCall(Activity activity, Uri uri,
+            String callOrigin) {
+        (new PhoneNumberInteraction(activity, InteractionType.PHONE_CALL, null, callOrigin))
+                .startInteraction(uri);
+    }
+
+    /**
      * Start text messaging (a.k.a SMS) action using given contact Uri. If there are multiple
      * candidates for the phone call, dialog is automatically shown and the user is asked to choose
      * one.
@@ -422,6 +447,6 @@
     @VisibleForTesting
     /* package */ void showDisambiguationDialog(ArrayList<PhoneItem> phoneList) {
         PhoneDisambiguationDialogFragment.show(((Activity)mContext).getFragmentManager(),
-                phoneList, mInteractionType);
+                phoneList, mInteractionType, mCallOrigin);
     }
 }