
542 Chapter 62 Configuring the Dial-up resources
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The V.92 modem WAN connection always uses PPP as the link layer protocol. For correct
operation, the link must be connected to a remote access server (RAS).
BCM supports the following authentication protocols for PPP:
• Password Authentication Protocol (PAP)
• Challenge Authentication Protocol (CHAP)
Users must be assigned dial-in privileges to use the Modem Dialup. Dial-in privileges are assigned
to users by adding them to Remote Access group in Element Manager Configuration >
Administrator Access > Accounts and Privileges >View by Groups > Members tab
(subpanel).
Changing the Modem Region
There are several internal modem settings that vary depending on the country in which the modem
is operating. BCM uses the country you select in the Modem Region parameter to properly
configure these internal settings.
Normally, the Modem Region is set using the Startup Profile. However, in situations where the
Modem Region was not set using the Startup Profile, you can use Element Manager to set the
Modem Region.
To change the Modem Region
1 Click Configuration > Resources > Network Interfaces > Global Settings tab.
2 Click the Modem Region drop-down list and click the country in which the BCM system
resides.
ISDN Dial-in
ISDN dial-in is supported over connections using ISDN, PRI and BRI lines.
To configure ISDN dial-in parameters
1 Reserve the WAN resources, see “ISDN WAN (Dial-up/Nailed-up)” on page 88.
2 Configure the line assignment to the data module. Refer to “Assigning lines to the data
module” on page 529.
3 To configure the ISDN dial-in parameters in Element Manager go to Configuration >
Network Interfaces > Dial in Parameters tab. Refer to Table 20.
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