A program which lets machines on your network start, stop and manage a dialup connection on your server.

Windows net connection speed optimization.

Software to speed up Internet connections and optimize access. Helps browsing and downloading faster, by optimizing TCP/IP settings, ports and cache settings.

Give your computer the ability to make scheduled, automatic Internet connections.

Dialup Constructor is the most complete third party dialup network entry tool available for ISPs, Universities and other medium to large organisations.

Freeware to find/set MTU and optimize speed.

Provides control of multiple dialout modem connections to the members of a LAN using IP masquerade for Internet connectivity.

Prevents your Internet Service Provider (ISP) from disconnecting your dial-up session to the Internet involuntarily. Windows 95/98/NT/2000 shareware.

Internet connection sharing software, personal firewall software, Internet security and access management solutions.

The name Diald is an abbreviation of Dial Daemon. Diald's only task in life is to make it transparently appear that you have a 24 hour a day connection to the Internet over a SLIP or PPP link.

Windows clients: email, news, telnet, finger, ping and traceroute.

Lots of resources on configuring serial/modem communications.