[master] ; currently, only file "master.db" is supported, with only one table at a time.
table   => cdr
columns =>src,dst,start,end,duration,billsec,disposition,channel,dstchannel,calltype,uniqueid
values  =>'${IF($[${ISNULL(${CDR(cid)})}]?${CDR(src)}:${CDR(cid)})}','${CDR(dst)}','${CDR(start)}','${CDR(end)}','${CDR(duration)}','${CDR(billsec)}','${CDR(disposition)}','${CDR(channel)}','${CDR(dstchannel)}','${CDR(calltype)}','${CDR(uniqueid)}'