Voice Over NR (VoNR Call Flow)

We are seeing 5G Stand Alone (SA) data services are rolling out throughout the world, it is very much essential for MNOs to provide services such as Voice/Video calls. To […]

5G RAN and 5GC Network Slice Signaling

Network Slicing is considered as one of the key feature by 3GPP in 5G.  A network slice can be looked as a logical end-to-end network that can be dynamically created. […]

5G Authentication and Key Management 5G-AKA

Secure communication in any cellular network can be achieved with help of AKA procedure.  AKA is Authentication and Key Management procedure which involve mutual authentication between User Device and the […]

5G NR SA Registration/Attach Call Flow

A 5G Stand Alone also know as Option 2, architecture includes 5G UE, gNB and 5G Core Network. In this post we will discuss about 5G SA Registration Call Flow […]

5G NR Cell Access Control

Radio Access barring control refers to a traffic congestion control mechanism to secure and ensure the success of critical communications calls such as emergency calls by restricting connection requests from […]

5G Identifiers SUPI and SUCI

In telecommunication systems, network operator allocate to each SIM card a unique identifier, known up to the 4G as an IMSI (International Mobile Subscriber Identity) and for the 5G as […]

5G NR Global Unique Temporary Identifier (GUTI)

5G Global Unique Temporary Identifier [5G – GUTI] is a core network temporary identifier and allocated by Access and Mobility Management function [AMF] to the UE. GUTI is 80 bits […]