20Th Telecommunications Forum (Telfor), Date: NOV 24-26, 2015, Location: Belgrade, SERBIA, Sponsors: Telecommunicat Soc, Univ Belgrade, Sch Elect Engn, IEEE, IEEE Commun Soc, Serbia & Montegaro Chapter, IEEE Reg 8, VLATACOM d o o, Telekom Srbija a d, ERICSSON, Huawei Technologies, IRITEL AD, Kontriola letenja Srbije i Crne Gore SMATSA, Minist Educ, Sci and Technol Dev, Minist Trade, Turism & Telecommunicat, NOKIA Solut & Networks Serbia, Publ PTT Enterprise SRBIJA, Republ Agcy Elect Commun Serbia, VIP Mobile d o o, IBIS Instruments, IEEE Serbia & Montenegro COM Chapter, IEEE Serbia & Montenegro Sect, KONSING GROUP Ltd, Serbian Natl Register Internet Domain Names (RNIDS), SAGA, ENEL PS