How The Serving Gateway Works - Cisco ASR 5000 series Product Overview

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▀ How the Serving Gateway Works

How the Serving Gateway Works

This section provides information on the function of the S-GW in an EPC E-UTRAN network and presents call

procedure flows for different stages of session setup and disconnect.

The S-GW supports the following network flows:

GTP Serving Gateway CallSession Procedures in an LTE-SAE Network

GTP Serving Gateway Call/Session Procedures in an LTE-SAE Network

The following topics and procedure flows are included:

Subscriber-initiated Attach (initial)

Subscriber-initiated Detach

Subscriber-initiated Attach (initial)

This section describes the procedure of an initial attach to the EPC network by a subscriber.

▄ Cisco ASR 5000 Series Product Overview

Serving Gateway Overview