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 […]

PDP Context Deactivation Procedure

The MS, the SGSN, and the GGSN can initiate The ‘PDP context deactivation procedure’. PDP Context Deactivation Procedure (MS initiated) […]

NSAPI and TI – PDP identifiers

NSAPI NSAPI refers to ‘Network layer Service Access Point Identifier’. The MS generates the NSAPI in the ‘PDP context activation’ procedure, […]

QoS ‘Quality of Service’ in GPRS

QoS refers to ‘Quality of Service’. After ‘PDP context activation’ procedure completes, a ‘PDP context’ shall exist on the MS, […]

PDP type in GPRS

PDP type is the type of the IP address assigned to the PDP. PDP type maybe one of the following, […]

PDP address in GPRS

As a result of the ‘PDP activation’ procedure, the GGSN assigns the ‘PDP context’ an IP address. The ‘PDP address’ […]