Dial-up Networking Support
- isdn4k-utils - Utilities for configuring an ISDN subsystem
- lrzsz - The lrz and lsz modem communications programs.
- minicom - A text-based modem control and terminal emulation program
- ppp - The PPP (Point-to-Point Protocol) daemon.
- rp-pppoe - PPP Over Ethernet (xDSL support)
- wvdial - A heuristic autodialer for PPP connections