SGSN (Serving GPRS Support Node)

Functionality:

?At the same hierarchical level as the MSC
?Transfers data packets between mobile stations and GGSNs
?Keeps track of the individual MSs’location and performs security functions and access control
?Detects and registers new GPRS mobile stations located in its service area
?Participates into routing, as well as MM and SM functions
?Collects charging information for billing purpose
?Lawful Interception

Very informative and useful..

good for beginner

Useful Information

thanks for the doc

nice information

useful document, thanks