University:
Warsaw University of Technology
Faculty of Electronics and Information Technology
Operators:
Telekomunikacja Polska S.A.
Netia
Polska Telefonia Cyfrowa - ERA GSM
Polkomtel - Plus GSM
PTK Centertel - Idea
Producers:
Alcatel
Ericsson
Lucent Technologies
Motorola
NEC
Nokia
Siemens
Standardization:
ATM Forum
International Telecommunication Union - ITU
European Telecommunication Standarts Insitute - ETSI
International Organisation for Standardization - ISO
GSM Forum
Others:
Przegląd Telekomunikacyjny

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