Migration system:
Freenibs
Mabill
UTM 4, 5, 5 (Postgree) utm5cards - require IMPORT_FILE paraments with utm cards
File - Tab delimiter file
Mikbill - get users from mikbill
mikbill_deleted - get deleted users from mikbill
mikbill_blocked - get blocked users from mikbill
Nodeny
Traffpro
Stargazer
CarbonSoft 4
CarbonSoft 5
LANBilling
Easyhotspot
Unisys
BBilling