Once you have completed that appropriate tasks above you should have a functioning PPP gateway to the Internet.
The first thing to test is that the connection is being made between your modem and the ISP.
This, and other documents, can be downloaded from ftp://ftp.FreeBSD.org/pub/FreeBSD/doc/.
For questions about FreeBSD, read the
documentation
before contacting <questions@FreeBSD.org>.
For questions about this documentation, e-mail <doc@FreeBSD.org>.