-- Executing Goto("IAX2/100-6", "callback|1|1") in new stack
    -- Goto (callback,1,1)
    -- Executing Set("IAX2/100-6", "CALL=100") in new stack
    -- Executing Set("IAX2/100-6", "DESTINATION=disa.1.1") in new stack
    -- Executing Set("IAX2/100-6", "SLEEP=0") in new stack
    -- Executing System("IAX2/100-6", "/var/lib/asterisk/bin/callback 100 disa.1.1 0 &") in new stack
    -- Executing Hangup("IAX2/100-6", "") in new stack
    -- Hungup 'IAX2/100-6'