Hi all i use the FreeRadius to work with Cisco Softswitch SIP Server i follow the instruction: http://freeradius.org/radiusd/man/rlm_attr_filter.html preacct Filters Accounting-Request packets. accounting Filters Accounting-Response packets. i edit the following file : site-enable/default : # Filter attributes from the accounting response. #attr_filter.accounting_response preprocess : with_cisco_vsa_hack = yes acct_users : DEFAULT User-Name := "%{Stripped-User-Name:-%{User-Name}}", h323-return-code := "h323-return-code=0" the problem i got in the Accounting respond : Sending Accounting-Response of id 139 to 172.26.0.8 port 1645 User-Name := "0873000001" h323-return-code := "h323-return-code=0" how do i run the sql query or do something to get the h323-return-code in the Accounting Request Thanks Ha`