Modem Diagnostics for Win95/98/3.1 Dos
Shareware distribution point for Modem Doctor modem diagnostics and many hard-to-find items related to modems and serial ports including configuration and troubleshooting
http://www.modemdoctor.com

Cable Modem Centre
UK specific cable modem news with guides to help with your cable modem.
http://www.cable-modems.co.uk

SoftCab Inc.
Record phone calls to PC. Store telephone conversations as WAV records
http://www.modemspy.com/

Modemsite.com
Modemsite.com (formerly 56k=v.Unreliable): Internet Connectivity, Modem Drivers, Troubleshooting Connection Problems. This is the Top page of the site.
http://modemsite.com/

Smart Link
Specializes in modem technology, including riser, PCI, and USB modem chipsets and drivers.
http://www.smlink.com/

Drivers for the Motorola SM56 modem
SM56 is a model of modem of Motorola. Cranium Inc, is a softare development firm dealing with Linux consultancy and other software solutions for both Linux, and windows platforms. We deals patch for SM56 in Linux, Application Software, Web Site Development at Cranium Inc
http://www.geocities.com/rajeshkizhuveetil/

StopITnow Modem Protection Software
Software to protect and control of unauthorized access to your dial-up modem Internet connections.
http://www.stopitnow.com.au

Squitter Electronics, Inc.
Manufacturer of a cellular modem that transmits data like a standard modem, but it uses the cellular network TDMA, CDMA or GSM instead of the landline.
http://squitter.com/

Navas Cable Modem Tuning Guide
In-depth site on Cable Modem and DSL including many reference links.
http://cable-dsl.home.att.net/

Intertex Data AB
Develops adsl modems and firewall/nat with focus on the sip standard for true ip communication.
http://www.intertex.se