Issabel CDR - Don't Show Source Caller ID
SOURCE: https://forum.issabel.org/d/3462-no-source-in-cdr-records/5
the query should be fixed in /var/www/html/libs/paloSantoCDR.class.php
Line 238 : replace "IF(cnum<>src,cnum,src)" with "IF(cnum<>src,IF(cnum<>0,cnum,src),src)"