sterisk1*CLI> show dialplan from-sip-external 
[ Context 'from-sip-external' created by 'pbx_config' ]
  '_.' =>           1. Set(TIMEOUT(absolute)=15)                  [pbx_config]
                    2. Congestion()                               [pbx_config]
                    3. Hangup()                                   [pbx_config]

-= 1 extension (3 priorities) in 1 context. =-
asterisk1*CLI>