*CLI> dialplan show 666@internal
[ Context 'internal' created by 'pbx_config' ]
  '666' =>          1. Dial(SIP/666,30,tTW)                       [pbx_config]
                    2. VoiceMail(666@imapvoicemail,u)             [pbx_config]
                    3. Hangup()                                   [pbx_config]

 In-mem exten Trie for Fast Extension Pattern Matching:
 7:N:1:
 +-----------------0:N:1:
 +-----------------+-----------------0:N:1:EXTEN
-= 1 extension (3 priorities) in 1 context. =-
*CLI>