Gr interface and Gs interface

The Gr interface exists between the SGSN and the HLR. While the Gs interface exists between the SGSN and the MSC/VLR. Both of those interfaces are based on the ‘SS7’ […]

Gn Interface and Gp Interface

Gn/Gp interface, is the interface between the SGSNs and the GGSNs. ‘Gn interface’ is the interface between the SGSNs and the GGSNs when they exist within the same mobile network.  […]

Your Guide for Roaming architecture in GPRS

To understand Roaming architecture in GPRS, there are a few terms we have to understand, Outbound roaming The outbound roaming user simply means that you are travelling outside your country, […]

What is PDP, and Attach in GPRS

What is PDP To know what is ‘PDP’, we should know that in order for an MS to be able to send and receive data to and from the PDN, […]

GPRS network architecture

SGSN, GGSN – GPRS network architecture

GPRS refers to ‘General Packet Radio Service’. The GPRS network aims to transfer data and signaling in an efficient manner, and optimize the use of network and radio resources. GPRS […]