NAS - UMTS Non Access Stratum (UMTS)
NAS signalling operates between the mobile and the MSC/SGSN in order to facilitate mobility management, session management and call procedures.
We offer a wide variety of live and on demand courses covering 2G, 3G, 4G and 5G, RAN and core-focused training, complementary technologies including Wi-Fi, security and packet transport networks.
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