I have set my global currency to INR in /etc/asterisk/a2billing.conf and i create customer who has same currency set ( INR ) . I have put all rates in ratecard as per INR . Now when i access customer UI for that account it is showing money as INR but converted from dollars . For example if i put balance is 5000 INR ( shown inr in admin panel ) for customer in admin panel then customer UI shows balance as 221926.32 that is 5000/0.2253 . However when i simulate rate for a destination .. it shows 6666 minutes thats exactly for INR 5000 i set at rate of 0.75 INR for destination . So it seems like its just showing wrong currency on CUSTOMER UI but in admin panel its correct .