-- Executing CallingPres("IAX2/sipgw1@sipgw1/17", "32") in new stack
    -- Executing StripMSD("IAX2/sipgw1@sipgw1/17", "4") in new stack
    -- Executing Dial("IAX2/sipgw1@sipgw1/17", "Zap/g4/98013356|180|t)") in new stack
Apr  6 17:32:47 NOTICE[19493]: app_dial.c:746 dial_exec: Unable to create channel of type 'Zap'
  == Everyone is busy/congested at this time