Cisco Systems DNC-305 manual Mixture of Isdn and Analog Modem Calls, DNC-313

Telco and ISP Dial Scenarios and Configurations

Small- to Medium-Scale POPs

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

Home office PC running Windows 95 and making digital calls in to the Internet

Terminal adapter

BRI

ISDN

T1 PRI Internet

Analog

S6535

Modem

Home office PC running Windows 95 and making analog modem calls in to the Internet

ISP using a Cisco AS5200 to provide Internet access

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.

Cisco IOS Dial Services Configuration Guide: Network Services

DNC-313