[Freeswitch-users] suggestions to application

Hello, I have an app write in php running with asterisk for calling cards, i would like to migrate everything to freeswitch, but i think that fs has almost everything that a calling card need read to use.. I´m looking for suggestion on some features like: Accounting Rate Billing Route Please someone could give me any suggestion on wich program that i should use. Thanks, -- "Without love, we are birds with broken wings." Morrie