4000 Router Series Layer 2 - WAN Configuration Guide

Ste

Command

Remarks

3. Issue an AT command to a

modem.

sendat at-string

One sendat command can issue one

AT command. To send multiple AT

commands to a modem, repeat the

sendat command.

Setting the country code of a modem

CAUTION:

This task disconnects the modem connection.

Modem encoding format differs with countries. You must configure the correct country code for a modem

to function correctly. This task is available only on AM interfaces.

To set the country code of a modem:

Ste

Command

Remarks

1. Enter system view.

system-view N/A

2. Enter AM interface

view.

interface analogmodem interface-number N/A

3. Set the country code.

country-code area-name

The default country code is

united-states.

Modem management configuration example

Network requirements

As shown in Figure 32, configure DDR and modem access services for the Router and Cisco Router to

establish a modem dial-up connection between the Serial 2/0 interfaces for data transmission.

For more information about DDR, see "Configuring DDR."

Figure 32 Network diagram

Configuration procedure

1. Configure the Router:

# Create dialer access group 1 and add a dial access rule to match call triggering traffic. The rule

in this example permits any IP packets to trigger a call.

<Router> system-view

[Router] dialer-group 1 rule ip permit