--- asterisk-addons-1.4.5/configs/cdr_mysql.conf.sample	2005-11-29 13:51:27.000000000 -0500
+++ asterisk-addons-1.4.5.new/configs/cdr_mysql.conf.sample	2007-12-27 11:56:47.000000000 -0500
@@ -10,6 +10,9 @@
 ; to the socket file specified by sock or otherwise use the default socket
 ; file.
 ;
+; additionalfields is an optional parameter which lists ("|" seperated)
+; extra columns to use if available in the CDR.
+;
 ;[global]
 ;hostname=database.host.name
 ;dbname=asteriskcdrdb
@@ -19,3 +22,4 @@
 ;port=3306
 ;sock=/tmp/mysql.sock
 ;userfield=1
+;additionalfields=rate|dstname