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GSM 09.02 - Version 5.3.0 - Digital cellular telecommunications - ETSI

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20.4 The Short Message Alert procedure<br />

Page 589<br />

<strong>GSM</strong> <strong>09.02</strong> <strong>Version</strong> <strong>5.3.0</strong>: August 1996<br />

The Short Message Alert procedure is used for alerting the Service Centre when the mobile subscriber is<br />

active after a short message transfer has failed because the mobile subscriber is not reachable or when<br />

the mobile station has indicated that it has memory capacity to accept a short message.<br />

The Short Message Alert procedure for the case when the mobile subscriber was not reachable is shown<br />

in figure 20.4/1.<br />

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· · Ï ÁÁÁÁÁÁÁÒ · ·<br />

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· · · · ¼ !½<br />

· · · ÏÁÁÁÁÁÁÁÁÁÁ!· ·<br />

· · · · ¼ !½<br />

· · · ÏÁÁÁÁÁÁÁÁÁÁ!· ·<br />

· · · · ¼ !½<br />

· · · · ÁÁÁÁÁÁÁÁÁÁÒ ·<br />

· · · · ÁÁÁÁÁÁÁÁÁÁÒ ·<br />

· · · · ÁÁÁÁÁÁÁÁÁÁÒ ·<br />

1) CM Service Request, Page response or Location Updating (BSSAP; TS <strong>GSM</strong> 04.08)<br />

2) MAP_PROCESS_ACCESS_REQUEST / MAP_UPDATE_LOCATION_AREA<br />

3) MAP_READY_FOR_SM (Mobile Present) / MAP_UPDATE_LOCATION /<br />

Supplementary Service Control Request<br />

4) MAP_READY_FOR_SM_ACK<br />

5) MAP_ALERT_SERVICE_CENTRE (notes 1 and 2)<br />

6) Alert Service Centre (TS <strong>GSM</strong> 03.40)<br />

7) MAP_ALERT_SERVICE_CENTRE_ACK<br />

NOTE 1: To all Service Centres in the Message Waiting List.<br />

NOTE 2: The HLR initiates the MAP_ALERT_SERVICE_CENTRE service only if the MS Memory<br />

Capacity Exceeded flag is clear.<br />

Figure 20.4/1: Short message alert procedure (Mobile is present)<br />

The Short Message Alert procedure for the case where the mobile station indicates that it has memory<br />

capacity to accept one or more short messages is shown in figure 20.4/2.

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