Tag: 5G NAS
5G NAS and RRC Signalling Parameters for Voice Support
Introduction Voice Service support is always critical for any network. A user can initiate a Voice Call for normal conversation or for emergency support. In 5G there are multiple ways […]
5G NAS Mobility Management – 5GMM
At 5GC, NAS Mobility Management (5GMM) procedures are responsible to keep track whereabouts of the UE, UE authentication and control integrity protection and ciphering. The 5GMM procedures also used by […]
5G NAS – Authentication Failures Cause Values
In 5G Network, Non-access stratum (NAS) layer managed the PLMN specfic Network Failure and Authentication Failures between the 5G UE and 5G Core. Mutual authentication is a mandatory security procedure […]
5G NAS – Registration Reject Cause
In 5G NR, Registration is a NAS layer or 5G Mobility Management (5GMM) process and it is very much similar to the Attach Process in LTE except some of the […]
5G NAS – PDU Session Reject Cause Values and Reasons
5G connectivity service is named as PDU Session. A PDU session is very similar to an EPS bearer in LTE, except for the QoS model and the supported user data. […]
5G NAS – Registration Request
5G NAS Registration Request is a 5GMM Procedure Initaiated by a UE. The network can resond as Registartion Accept in successful case or Registration Reject with specified cause value in […]