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Telco and ISP Dial Scenarios and Configurations
Small- to Medium-Scale POPs
DNC-313
Cisco IOS Dial Services Configuration Guide: Network Services
Mixture of ISDN and Analog Modem Calls
ISPs can configure a single Cisco AS5200 access server to receive calls from a mixture of remote PCs
connected to terminal adapters and modems, as shown in Figure 53.
Figure 53 Remote PCs Making Digital Calls and Analog Calls to a Cisco AS5200
Combination of Modem and ISDN Dial-In Configuration Example
The following example shows a combination of the modem and ISDN dial-in configurations. Using the
bearer capability information element in the call setup packet, the incoming calls are labeled as data or
voice. After the calls enter the access server, they are routed either to the serial configuration or to the
modems and group asynchronous configuration.
Terminal
adapter
BRI
T1 PRI
ISP using a
Cisco AS5200
to provide
Internet access
Modem
H
ome office PC
r
unning Windows 95
a
nd making analog
m
odem calls in to
the Internet
Home office PC
r
unning Windows 95
a
nd making digital
c
alls in to the Internet
ISDN
Internet
Analog
S6535