Options missing "join/leave ,Record conference, Talker optimization"

I also refered to http://www.freepbx.org/forum/distro-discussion-help/conference-recording-problem

app_meetme exists in my install, but whenever I change the Settings --> Advanced Settings -> Conference Room App to app_meetme, after amportal a r the value shifts back to app_confbridge.

[root@DKTP-LAB-14 asterisk-1.8.21.0]# locate meetme
/etc/asterisk/meetme.conf
/etc/asterisk/meetme_additional.conf
/usr/lib/asterisk/modules/app_meetme.so
/usr/src/freepbx-2.11.0/amp_conf/astetc/meetme.conf
/var/lib/mysql/asterisk/meetme.MYD
/var/lib/mysql/asterisk/meetme.MYI
/var/lib/mysql/asterisk/meetme.frm
/var/spool/asterisk/meetme

app_meetme needs DAHDI as a dependency. Though DAHDI was installed, service dahdi was stopped. embarassed. dahdi as a service was started and app_meetme gets selected, so does recording.