NAS – Iur - Non Access Stratum (Iur)

NAS signalling encompasses the set of signalling messages used between the mobile and the SGSN in order to support GPRS SM (Session Management) and MM (Mobility Management).


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

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