Starting simple switch on 'Zap/1-1'
    -- Executing NoOp("Zap/1-1", ""Cell Phone   FL" <13054907369>") in new stack
    -- Executing Goto("Zap/1-1", "joincall|s|1") in new stack
    -- Goto (joincall,s,1)
    -- Executing Wait("Zap/1-1", "1") in new stack
    -- Executing Answer("Zap/1-1", "") in new stack
    -- Executing Read("Zap/1-1", "custno|beep") in new stack
    -- Playing 'beep' (language 'en')
    -- Registered IAX2 '12345' (AUTHENTICATED) at 10.1.1.1:4569
    -- Registered IAX2 '12345' (AUTHENTICATED) at 10.1.1.103:4569
    -- User entered nothing.
    -- Executing Flash("Zap/1-1", "") in new stack
    -- Flashed channel Zap/1-1
    -- Executing Dial("Zap/1-1", "ZAP/g1/|600|G(confcall^s^1)") in new stack
Mar 14 06:08:13 NOTICE[11775]: app_dial.c:1059 dial_exec_full: Unable to create channel of type 'ZAP' (cause 34 - Circuit/channel congestion)
  == Everyone is busy/congested at this time (1:0/1/0)
  == Auto fallthrough, channel 'Zap/1-1' status is 'CONGESTION'
    -- Hungup 'Zap/1-1'