Scratch Installation: Meetme application is not registered

Hello guys, pls help me how to register the meetme application. My exact problem was my softphone did not ring when i login to agent's interface "no voice confirmation saying..your currently the only person in this conference"
server1*CLI> show application meetme
Your application(s) is (are) not registered
asterisk ver. 1.2.24
astguiclient_2.0.4.1rc3
thanks
server1*CLI> show application meetme
Your application(s) is (are) not registered
asterisk ver. 1.2.24
astguiclient_2.0.4.1rc3
thanks