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1. 

   VoIP Performance of LTE Networks

   VoLTE versus OTT

   Av Maciej Grzegorz Mühleisen

   Häftad, 2015

   577 kr

   Lägg i varukorg

   Long Term Evolution (LTE) standardized by 3GPP operates fully packet switched and does not have a circuit switched domain as older systems HSPA, UMTS and GSM. It must support a minimum number of voice calls to be recognized as IMT-Advanced system by ITU. Therefore ITU has published the IMT-Advanced …