* <tr> <td rowspan=2> http://tizen.org/feature/systemsetting.incoming_call </td> <td> #SYSTEM_SETTINGS_KEY_INCOMING_CALL_RINGTONE </td></tr>
* <tr> <td> #SYSTEM_SETTINGS_KEY_SOUND_NOTIFICATION </td> </tr>
* <tr> <td> http://tizen.org/feature/systemsetting.notification_email </td> <td> #SYSTEM_SETTINGS_KEY_EMAIL_ALERT_RINGTONE </td> </tr>
* <tr> <td rowspan=2> http://tizen.org/feature/systemsetting.incoming_call </td> <td> #SYSTEM_SETTINGS_KEY_INCOMING_CALL_RINGTONE </td></tr>
* <tr> <td> #SYSTEM_SETTINGS_KEY_SOUND_NOTIFICATION </td> </tr>
* <tr> <td> http://tizen.org/feature/systemsetting.notification_email </td> <td> #SYSTEM_SETTINGS_KEY_EMAIL_ALERT_RINGTONE </td> </tr>