This guide will cover below topics on BRM Billing 

BILLING PROCESS    
BILLING CYCLES, DOM,BALANCE FORWARD    
BILL ITEMS STATUS 
ACCOUNTS RECEIVABLE INFORMATION    
BILL ITEMS AND A/R  ITEMS    
CONFIGURING BILL ITEMS    
RUN BILLING - PIN_BILL_ACCTS
PIN_BILL_DAY PROCESSES    
PROCESSES    
ADVANCE BILLING FEATURES
ON DEMAND BILLING
ADVANCE BILLING    
BILL HIERARCHY    
DELAYED BILLING