20Th Telecommunications Forum, Date: NOV 20-22, 2012, Location: Belgrade, SERBIA, Sponsors: Telekom Svet, PTT Glasnik, Jisa Info, Internet Ogledalo, Micro PC World, Radio Televizija Srbije, Telecommunicat Soc, Univ Belgrade, Sch Elect Engn (ETF), IEEE Serbia and Montenegro, COM Chapter, Telegroup d o o, Telekom Srbija a d, VLATACOM d o o, Huawei Technologies Co, Ltd, Alcatel-Lucent Serbia, AMIS Telekomunikacije d o o, F-Secure, Crony d o o, EPS - Telecommunicat Project, Int Business Machines (IBM) d o o, IRITEL AD, Minist Educ, Sci and Technol Dev, Minist Foreign and Internal Trade and Telecommunicat, Nokia Siemens Networks Serbia d o o, Publ PTT Enterprise SRBIJA, Republ Agcy Elect Commun Serbia (RATEL), Roaming Networks, Teri Engn, IBIS Instruments, IEEE Serbia and Montenegro Sect, KODAR Engn, MAXNET, Serbian Natl Register Internet Domain Names (RNIDS), Rohde and Schwarz Osterreich Ges m b H, SAGA d o o, SBB, Targo Telekom d o o, VIP Mobile d o o, Energoprojekt-Entel, ETV, JP Elektromreza Srbije, MDS Informaticki Inzenjering, NES Commun DOO, NovaTel, S V Line, IEEE Commun Soc, Serbia and Montegar