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GSM 09.02 - Version 5.3.0 - Digital cellular telecommunications - ETSI

GSM 09.02 - Version 5.3.0 - Digital cellular telecommunications - ETSI

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Page 384<br />

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

17.2.1.2 Subscriber tracing deactivation procedure<br />

When receiving the subscriber trace mode deactivation command for a subscriber from the OMC, the HLR<br />

will send the MAP_DEACTIVATE_TRACE_MODE request to the VLR where the subscriber is registered,<br />

if the trace mode activation has been carried out. The subscriber tracing in HLR is set to a deactive state.<br />

If the operation is successful, the HLR will set the subscriber tracing in VLR to a deactive state.<br />

If the MAP_DEACTIVATE_TRACE_MODE confirmation is received indicating an error situation, the errors<br />

are mapped to the OMC interface. The deactivation request may be also repeated; the number of repeat<br />

attempts and the time in between are HLR operator options, depending on the error returned by the VLR.<br />

The subscriber tracing deactivation procedure is shown in figure 17.2/8.

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