RDR File
R2D2 generates also GSM Authentication log file (/var/log/R2D2.RDR); each time one port/SIM is authenticated by Network a line is written in this log:
authentication_date; authentication_time; port; SIM_ICCID; PLMN
Example:
25-02-2014;07:40:08:319;5;8938105213114235613;22005 25-10-2012;08:57:50:345;1;89381030000161069457;0[1] 25-10-2012;13:37:38:963;1;89381030000161069457;0[1] 25-10-2012;13:38:53:624;0;8938101100319485446;22003 25-10-2012;14:05:18:127;1;89381030000161069457;0[1] 25-10-2012;14:11:04:986;0;8938101100319485446;0[1]