call control setup

Hi We setup opensips, cdr-tool but still have problem with setup of call control We need the follow up of balances of our clients and stop calls for client with 0 credit We need also to stop calls for destinations not included in price list We have been posting some project so far about open sips configuration but we succeeded in setting it up Now we are really stock with call control and need someone to help setting it up We propose 150 USD as it should be few hours...