Add sample configuration for cel_radius.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@283241 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configs/cel.conf.sample

@@ -90,7 +90,6 @@ events=APP_START,CHAN_START,CHAN_END,ANSWER,HANGUP,BRIDGE_START,BRIDGE_END
 ;
 ; Asterisk Manager Interface (AMI) CEL Backend
 ;
-
 [manager]
 
 ; AMI Backend Activation
@@ -100,5 +99,17 @@ events=APP_START,CHAN_START,CHAN_END,ANSWER,HANGUP,BRIDGE_START,BRIDGE_END
 ;
 ; Accepted values: yes and no
 ; Default value:   no
-
 ;enabled=yes
+
+;
+; RADIUS CEL Backend 
+;
+[radius]
+;
+; Log date/time in GMT
+;usegmtime=yes
+;
+; Set this to the location of the radiusclient-ng configuration file
+; The default is /etc/radiusclient-ng/radiusclient.conf
+;radiuscfg => /usr/local/etc/radiusclient-ng/radiusclient.conf
+;