network
 network country code 510
 mobile network code 44
 mm info 1
 short name DUO
 long name DUO

 location updating reject cause 13
 encryption a5 0
 authentication optional
msc
 mgw remote-ip 127.0.0.1
 mgw endpoint-range 1 32

log stderr
 logging print extended-timestamp 1
 logging level all debug
 logging filter all 1
 logging print category 1
 logging level ref debug