African Cellular - resource to cellular & telecommunications in Africa. Info on GSM cellular networks, global cellular standards, GSM cellphones, accessories, network services & stats.
Airnet Communications Corp - designs, manufactures, distributes, and supports wireless infrastructure products that include high-capacity, protocol-independent software-reconfigurable base stations.
Airtel - GSM cellular service operator in Spain. The page includes a description of available services, coverage, and prices.
Ansen Security Networks - offers cellular phone jammer, mobile phone immobilizer, and electronic safes.
Cellular Communications Network - operates both the ETACS (analog) and GSM (digital) cellular network.
Dialog GSM - GSM network in Sri Lanka.
Digifone
Ericsson GSM Systems
Europolitan - GSM telephone operator in Sweden.
GSM Information Network - Use your GSM mobile phone as an information terminal. Get eMail notifications on your GSM Mobile phone
GSM Training by T.O.P. Nürnbeg
GSMinside.com - offers codes, logos, software, schematics, and other mobile accessories.
Intel's GSM Data Knowledge Site
Latvian Mobile Telephone - GSM provider in Latvia.
Microcell Connexions - offers a selection of products and services for GSM network operators, service providers, and customers.
Mobil Server - search engine for GSM and related links. Includes phone info, manufacturers, operators and more.
Mobile Technology Datacommunications Systems - manufactures GSM Data, Fax and SMS PCMCIA cards which are compatible with the most common GSM Mobile Phones.
Mobitel GSM
North American Cellular Network - an international network to support cellular roaming using SS7, X.25, IS41, and GSM protocols.
Omnitel GSM Communications
Opuswave Networks, Inc. - creators of Corporate GSM, a system integrating enterprise voice and data networks with the public GSM network.
Personal Communications Systems - info on the GSM based DCS-1900. News, tech tips, help wanted, and marketing info.
Radiolinja - GSM Operator.
Sendo - offers design and development of GSM mobile phones and other mobile communication devices.
Simlocked GSM - contains information on phone, networks, software, manufacturers, and wap.
SoftGSM - provides softwarebased modems for GSM telephones.
Telestet - offers all the services of the GSM system.