res/xml/searchable.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/*
** Copyright 2008, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License"); 
** you may not use this file except in compliance with the License. 
** You may obtain a copy of the License at 
**
**     http://www.apache.org/licenses/LICENSE-2.0 
**
** Unless required by applicable law or agreed to in writing, software 
** distributed under the License is distributed on an "AS IS" BASIS, 
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
** See the License for the specific language governing permissions and 
** limitations under the License.
*/
-->

<searchable xmlns:android="http://schemas.android.com/apk/res/android"
    android:label="@string/search_label"
    android:hint="@string/search_hint"
    android:voiceSearchMode="showVoiceSearchButton|launchWebSearch"
    android:searchSuggestAuthority="com.android.globalsearch.SuggestionProvider"
    android:autoUrlDetect="true"
    >
    
   <actionkey
       android:keycode="KEYCODE_CALL"
       android:suggestActionMsgColumn="suggest_action_msg_call"
   />
    
</searchable>