Cisco IOS version 12.0(9) or greater is required. Cisco recommends at least 12.1(8). Upgrade information is available on the Cisco web site. The client machines will need to have
Cisco routers with digital modems (Mica, NextPort) are not able to
support dial-in back through DialOut/EZ. The Cisco digital modems are
not able to answer an incoming call while there is an