ZyXEL Communications Prestige 480 - Manual (Page 227)

Prestige 480 Dual BRI ISDN Router
Troubleshooting 16-5
16.5 Problems for Remote User to Dial-in
Table 16-5 Troubleshooting for Remote Users to Dial-in
Problem Corrective Action
First verify that you have configured the authentication parameters in Menu 13.
These would be CLID Authen and Recv. Authen.
In Menu 14, verify the user name and password for the remote dial-in user.
A remote user
cannot dial-in
If the remote dial-in user is negotiating IP, verify that the IP address is supplied
correctly in Menu 13. Check that either the remote dial-in user is supplying a valid
IP address, or that the Prestige is assigning a valid address from the IP pool.