Asterisk Dial Limit

[inbound]
exten=>200,1,set(LIMIT_WARNING_FILE=beep)
same=>n,Set(LIMIT_PLAYAUDIO_CALLER=yes)
same=>n,Set(LIMIT_PLAYAUDIO_CALLEE=yes)
same=>n,Set(LIMIT_TIMEOUT_FILE=demo-thanks)
same=>n,Dial(Local/200@mymusic,,L(60000:30000:10000))


[mymusic]
exten=>200,1,Answer()
same=>n,MusicOnHold(default)

Limit call to 60 seconds, play a beep every 10 seconds, and at the end play the  asterisk-demo thanks message to caller and  callee