Popular 2G/3G Topics(May 2019)

   1.  UMTS : Voice Call Sequence

   2.  UMTS : Scrambling Code

   3.  UMTS : PLMN Selection  

   4.  UMTS : RRC State Change  

   5.  UMTS : Cell Selection

   6.  GSM : Frame Structure

   7.  UMTS : DTX/DRX  

   8.  UMTS : LAU Reject

   9.  GSM : Voice Call Sequence 

   10. GSM : Basic Packet Call  

   11. UMTS : Fast Dormancy 

   12. UMTS : Frame Structure

   13. UMTS : eCall

   14. UMTS : RAB Overview

   15. UMTS : RRC Establishment Cause

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