A2billing - Script

Hello, 1. I have scrip that send me CDR Report from 20 day previous month til 19 day current month. I run his manually every month. I need on 1/10/2012 get cdr that include data from 20 day previous month till 31 day current month (one time), and then change scrip that wil be include data from 1day till last day previous month that i will run him manually every month. 2. Current scrip send me on CDR report wrong Destination name (Ruusian FIX instead Israel Fix) - need to fix it. 3. I need script that will include on one excel file sum of informatio: Account ID, Last and First Name of account, Sum of hours calls, sum of price.