AGI Rx << EXEC DIAL "SIP/18004184380@YYY"
)   -- AGI Script Executing Application: (DIAL) Options: (SIP/18004184380@YYY
[Feb 14 09:42:38] WARNING[28273]: chan_sip.c:2719 create_addr: No such host: YYY
[Feb 14 09:42:38] WARNING[28273]: app_dial.c:1081 dial_exec_full: Unable to create channel of type 'SIP' (cause 3 - No route to destination)
  == Everyone is busy/congested at this time (1:0/0/1)
AGI Tx >> 200 result=0