tware.sip</code></td>
  <td>The application uses SIP service on the device and should be installed only on devices that
  support SIP.
  </td>
</tr>
<tr>
  <td><code>android.software.sip.voip</code></td>
  <td><p>Subfeature. The application uses SIP-based VOIP service on the device.
  <p>This subfeature implicitly declares the <code>android.software.sip</code> parent feature,
unless declared with <code>android:required="false"</code>.</td>
</tr>
  </table>


<h3 id="permissions">Permissions that Imply Featu