Start the Solaris Management Console, if it's not already running.
% /usr/sadm/bin/smc &
For information on starting the Solaris Management Console, see Starting the Solaris Management Console in System Administration Guide: Basic Administration.
Click This Computer icon in the Navigation pane.
Click Devices and Hardware—>Serial Ports.
The Serial Ports menu is displayed.
Select the port that will be used with a modem.
Choose one of the following Configure options from the Action menu.
The Configure Serial Port window is displayed in Basic Detail mode.
For a description of the Modem menu items, see Table 2–3.
To configure the advanced items, select the port configured as a modem.
Select Properties from the Action menu.
Change the values of template entries, if desired.
Click OK to configure the port.
Verify that the modem service has been configured.
$ pmadm -l -s ttyn