World Wide Phone Guide
- Guide to issues that may arise when trying to hook up modems in various countries. Includes a table of telephone plugs used worldwide, ways to deal with hard wired phone systems, and how to handle digital phones and tax impulses.
- http://kropla.com/phones.htm

Roadnews
- Tips and tricks for the computer-equipped traveler. Articles, links and resources.
- http://www.roadnews.com/