How is it possible to do callback on Netserver PRI(see version below) with Quad modems on analog lines using radius? I want some users to have callback (framed) service, and others to have standart dial-in. Do I have to upgrade soft? Netserver version>> U.S. Robotics Total Control (tm) NETServer Card V.34/ISDN with Frame Relay V3.8.1 Build date: Aug 11 1998 Build time: 13:49:21 Network Interface Card: Ethernet (24) ISDN Interface Card : MUNICH32 (4) Packet Bus Circuit : Enhanced