[Freeswitch-users] Testing for call hangup in dialplan xml

Hi, Is there a way to check if call has been hung up in dialplan xml. I want to run lua script to process voicemail after caller has hungup the call. I tried checking if state is equal to CS_HANGUP but it does not work. Current dialplan xml is at http://pastebin.com/5PMKSrdh Thanks Cody