Cisco ASR 5000 series Product Overview page 689

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Serving GPRS Support Node (SGSN) Overview

After verifying a subscription for the PLMN's SMS service, the SGSN connects with the SMSC (short message service

center), via a Gd interface, to relay received messages (from a mobile) using MAP-MO-FORWARD-REQUESTs for

store-and-forward.

In the reverse, the SGSN awaits messages from the SMSC via MAP-MT-FORWARD-REQUESTs and checks the

subscriber state before relaying them to the target MS/UE.

The SGSN will employ both the Page procedure and MNRG (mobile not reachable for GPRS) flags in an attempt to

deliver messages to subscribers that are absent.

The SGSN supports

charging for SMS messages, and

lawful intercept of SMS messages

For information on configuring and managing the SMS, refer to the SMS Service Configuration Mode chapter in the

Command Line Interface Reference.

Features and Functionality - Enhanced and Licensed ▀

Cisco ASR 5000 Series Product Overview ▄