O, actually I have just found out that variables are stored across whole call. Thank you for your answers.
Efelin Novak writes:yes, i had a typo in my answer. you, of course, need to use request uri
> The request uri after redirect will be UserC@another_domain. I have to store
> the original request_uri(UserB@my_domain) and after redirect, insert it to
> Billing Party header in radius message.
before redirect as your billing uri. i wonder why you asked, when you
knew the answer yourself.
-- juha