-- Accepting AUTHENTICATED call from x.y.z.a, requested format = 2, actual format = 2
    -- Executing Macro("IAX2/andrew@andrew/2", "pri-dial|2922004") in new stack
    -- Executing GotoIf("IAX2/andrew@andrew/2", "1?s|gotac") in new stack
    -- Goto (macro-pri-dial,s,5)
    -- Executing SetAccount("IAX2/andrew@andrew/2", "akohlsmith") in new stack
    -- Executing Dial("IAX2/andrew@andrew/2", "Zap/g1/2922004||g") in new stack
    -- Called g1/2922004
    -- Executing Busy("Zap/20-1", "") in new stack
    -- Accepting call from '2914574' to '2922004' on channel 0/20, span 1
  == Spawn extension (BellPRI, 2922004, 1) exited non-zero on 'Zap/20-1'
    -- Executing Hangup("Zap/20-1", "") in new stack
  == Spawn extension (BellPRI, h, 1) exited non-zero on 'Zap/20-1'
    -- Hungup 'Zap/20-1'
    -- Channel 0/2, span 1 got hangup
    -- Zap/2-1 is busy
    -- Hungup 'Zap/2-1'
  == Everyone is busy/congested at this time
    -- Executing NoOp("IAX2/andrew@andrew/2", "HANGUPCAUSE is 17 and DIALSTATUS is CHANUNAVAIL") in new stack
    -- Executing GotoIf("IAX2/andrew@andrew/2", "0?s|nohc") in new stack
    -- Executing Goto("IAX2/andrew@andrew/2", "hc-17|1") in new stack
    -- Goto (macro-pri-dial,hc-17,1)
    -- Executing NoOp("IAX2/andrew@andrew/2", "17 - User Busy") in new stack
    -- Executing Goto("IAX2/andrew@andrew/2", "ind-busy|1") in new stack
    -- Goto (macro-pri-dial,ind-busy,1)
    -- Executing Busy("IAX2/andrew@andrew/2", "") in new stack
  == Spawn extension (macro-pri-dial, ind-busy, 1) exited non-zero on 'IAX2/andrew@andrew/2' in macro 'pri-dial'
  == Spawn extension (ak_home, 2922004, 1) exited non-zero on 'IAX2/andrew@andrew/2'
    -- Executing Hangup("IAX2/andrew@andrew/2", "") in new stack
  == Spawn extension (ak_home, h, 1) exited non-zero on 'IAX2/andrew@andrew/2'
    -- Hungup 'IAX2/andrew@andrew/2'