Farallon Communications 612 - Manual (Page 68)

5-4 Netopia ISDN Modem User’s Guide
After the switch type is configured, the dialog box for the first
telephone number appears.
8. Enter the first telephone number for your ISDN line. Click OK.
After the SPID for the first telephone number is configured, the
dialog box for the second telephone number appears.
9. If you have a second telephone number for your ISDN line, enter
it, and then click Next. If you do not have a second telephone
number for your ISDN line, leave the field blank, and then click
Done. An Untitled document appears. See the next section.