The official site of the GSM Association.  This site is filled with white papers and tutorials about GSM.

A web site dedicated to the XML protocol

The IPCA is an association which focuses on many important issues that include the legal, tax and regulatory aspects of deploying and operating mobile prepay service operations.

The Privacy Forum is dedicated to the discussion and analysis of issues relating to privacy (both personal and collective) in the information age.

The goal of the Open SS7 Project is to provide a SS7 stack for Linux and other UN*X operating systems.  The purpose is to establish an open (non-proprietary), low-cost means for companies and entreprenuers to perform R&D relative to the SS7 stack and applications dependent on SS7.

The mission of the WLIA is to provide references and information about the industry to the public and to policy makers, both in the United States and internationally and to communicate with government, administrative and regulatory bodies on behalf of the industry and create a forum to develop self-regulating policies, network and share with other members in the industry.

Startdust's mission is to "make sense of new Internet stuff".   Sponsor of various forums and conferences associated with Internet and wireless data.

In late 1995, several companies interested in furthering the use of Intelligent Networking worldwide came together to organize the Intelligent Network Forum, an open industry forum to address interoperability and implementation issues relative to Intelligent Networks.

The 3G Portal claims to be the most extensive, searchable directory covering 3G topics available anywhere.  This is a very helpful site if you are just getting started in 3G or if you are looking for a specific topic.

The Mobile Data Initiative is an on-line community for information about 2G+ and 3G wireless technology, and how it will enable a new level of connectivity to the world.  Its mission is to make wireless internet/intranet access with mobile devices simple, and as common as data over fixed wires.

The Wireless Developer Network is an on-line community for information technology professionals interested in mobile computing and communications. Our mission is to assist developers, strategists, and managers in bridging the gap between today's desktop and enterprise applications and tomorrow's mobile users communicating via wireless networks.

This site is associated with the monthly newsletter by David Crowe which offers a variety of news and information about mobile communications networking and intelligent networking with a primarily focus on ANSI-41 and WIN.