Covid 19 Update: Given the current global situation, we have paused the delivery of our LiveOnsite courses, but our LiveOnline and OnlineAnytime Packages remain unaffected. Browse over 50 online courses in our course catalogue, or get in touch to register your interest in future LiveOnsite courses when we are able to safely resume in person training.

RRC - Radio Resource Control (UMTS)

RRC is a sublayer of Layer 3 on the UMTS radio interface; it exists in the control plane only and provides an information transfer service to NAS (Non Access Stratum) signalling. RRC is also responsible for controlling the configuration of the UMTS radio interface, facilitating the establishment and management of radio bearers, mobility management and security.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

Explore NetX today with a
free trial.
More Info about NetX