title: get access to com.android.internal.telephony.Call
body: <p>I need to get access to com.android.internal.telephony.Call.</p>
  
  <p>doing so:</p>
  
  <pre><code>// Initialize the telephony framework
  PhoneFactory.makeDefaultPhones (this);
  
  // Get the default phone
  Phone phone = PhoneFactory.getDefaultPhone ();
  
  CallManager mCM = CallManager.getInstance ();
  mCM.registerPhone (phone);
  
  Call call = mCM.getFirstActiveBgCall();
  </code></pre>
  
  <p>but does not extend to initialize the framework.</p>
  
  <p>Help me to initialize Call.</p>
  
  <p>I need to read the state of the call like:
  IDLE, ACTIVE, HOLDING, DIALING, ALERTING, INCOMING, WAITING, DISCONNECTED, DISCONNECTING.</p>