[Serusers] Read and Get Value from SER database

[Shirley]

Hi,

Please kindly help.Anyone know how to read and use the values from the
database to do forwarding when user is not online in the SER.CFG file. 
I want to read from the subscriber table to get a new value for the
rewriteuser("").
Please HELP!!! Thank you....

Regards, 
Shirley