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P100IH ISDN Router
7-10 Dial-In Server Configuration
Table 7-4 Edit Dial-in User Menu Fields (continued)
Field Description Option
Rem CLID If you enable CLID Authen field in Menu 13, then you need to specify the
telephone number from which this user calls. Your Prestige will check the
CLID in the incoming call against the CLIDs in the database. If they do not
match and CLID Authen is Required, your Prestige will not answer the call.
Idle Time-
out
Enter the idle time (in seconds). This time-out determines how long the dial-in
user can be idle before your Prestige disconnects the call when the Prestige
is calling back.
Idle time is defined as the period of time where there is no data traffic
between the dial-in user and your Prestige. The default is 300 seconds (5
minutes).
Default=300
seconds
Once you have completed filling in Menu 14.1 - Edit Dial-in User, press [Enter] at the message [Press
ENTER to Confirm…] to save your configuration, or press [Esc] at any time to cancel.
7.3.1 CLID Authentication
CLID (Calling Line IDentification) authentication affords you the security of limiting a user to only initiate
connections from a fixed location. The Prestige uses the caller ID sent by the switch to match against the
CLIDs in the database. Please note that for CLID authentication to work on the Prestige, your telephone
company must support caller ID.
7.3.2 Callback
Callback serves two purposes. One is security. When set to callback to a fixed number, an intruder will not
gain access to your network even if he/she stole the password from your user, because the Prestige always
calls back to the pre-configured number.
The other is ease of accounting. For instance, your company pays for the connection charges for
telecommuting employees and you use your Prestige as the dial in server. When you turn on the callback
option for the dial-in users, all usage is charged to the company instead of the employees, and your
accounting department can avoid the hassles of accountability and reimbursement.