25Th Telecommunication Forum (Telfor), Date: NOV 21-22, 2017, Location: Belgrade, SERBIA, Sponsors: Telecommunicat Soc, Univ Belgrade, Sch Elect Engn, IEEE Commun Soc Serbia & Montenegro Chapter, IEEE, IEEE Reg 8, mts, Telekom Srbija, VLATACOM d o o, Minist Trade Turism & Telecommunicat, IEEE Serbia & Montenegro COM Chapter, ERICSSON, IRITEL a d BEOGRAD, Kontriola letenja Srbije i Crne Gore SMATSA, MAKSNET Telekomunikacije, Minist Educ Sci & Technolog Dev, Public PTT Enterprise SRBIJA, Republ Agcy Elect Commun Serbia, ROAMING Networks, TERI Engn, VIP Mobile, CISCO, CRONY, CLOUD WORLDWIDE SERV, IEEE Serbia & Montenegro Sect, KAPSCH, Serbian Natl Register Internet Domain Names, ROHDE & SCHWARZ, UBconnect