Creating a portable UUCP Systems file
The Dialcodes file (/usr/lib/uucp/Dialcodes) contains the
dial-code abbreviations that can be used in the ``Phone''
field of the Systems file.
This feature is intended primarily for those who wish to create a
standard Systems file for distribution among several sites
that have different phone systems and area codes. As such, the
Dialcodes file is probably not necessary for most sites.
manual page for more information, and
``How UUCP works''
for general background on how the Dialcodes file is used.