Cisco Cisco Packet Data Gateway (PDG) Documentation Roadmaps
Serving GPRS Support Node (SGSN) Overview
▀ How the SGSN Works
▄ Cisco ASR 5000 Series Product Overview
OL-22938-01
How the SGSN Works
This section illustrates some of the GPRS mobility management (GMM) and session management (SM) procedures the
SGSN implements as part of the call handling process. All SGSN call flows are compliant with those defined by 3GPP
TS 23.060.
SGSN implements as part of the call handling process. All SGSN call flows are compliant with those defined by 3GPP
TS 23.060.
First-Time GPRS Attach
The following outlines the setup procedure for a UE that is making an initial attach.