[Serusers] Modifying the "From" part of the Invite

[Juha Heinanen]

Peter Rex Drescher writes:

 > I would really like to use the SER to do this as my scenario also includes
 > some Post-Paid billing so being able to lookup their Remote-Party ID in e.g.
 > the mySQL database would be really nice and then attach it to the Invite
 > request.

rpid is returned from radius when user is authenticated.  something
similar is possible with mysql authentication, but i have no personal
experience with it.  auth module also includes append_rpid_hf script
function.  see README file or read the code.

-- juha