Asterisk / CentOS 5.3

Through my dialplan, I send a caller into MeetMe 8301, after some time that caller disconnect the Call, at that time, I want to acquire the status of Disconnection at that time, How can I check or acquire the Disconnection or Hangup status?

Please reply us soon.

Do you mean something like this?

exten => xxx,1,Answer()
exten => xxx,2,Meetme(8301,cM)
exten => xxx,3,Hangup()