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 […]

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 […]

Roaming Architecture in 2G/3G

To understand Roaming architecture in GPRS, there are a few terms we have to understand, Outbound roaming The outbound roaming […]