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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 382<br />

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

Process ATM_HLR 172_71(2)<br />

Figure 17.2/7: The subscriber tracing activation<br />

process in the HLR<br />

1<br />

Page 1<br />

Repeat<br />

attempt<br />

Set subscriber<br />

tracing<br />

= deactive<br />

in VLR<br />

OM_Subscriber_<br />

_Tracing_<br />

_Activation_<br />

_cnf<br />

Set subscriber<br />

tracing<br />

activation<br />

failure<br />

NULL<br />

no<br />

yes<br />

Increment<br />

attempt<br />

counter<br />

Repeat<br />

attempt<br />

delay<br />

1<br />

Page 1<br />

Receive_<br />

Open_Cnf<br />

Perform_<br />

MAP_V1_<br />

Dialogue<br />

NULL<br />

NULL<br />

OM_Subscriber_<br />

_Tracing_<br />

_Activation_<br />

_req<br />

Subscriber<br />

Known<br />

Tracing already active ?<br />

Set<br />

Subscriber<br />

Tracing =<br />

Active in HLR<br />

Deregistered<br />

Subscriber<br />

Subscriber<br />

in Home PLMN<br />

area<br />

yes<br />

yes<br />

Error V1<br />

OK<br />

No<br />

no<br />

MAP_OPEN_req<br />

MAP_ACTIVATE__TRACE_MODE_req<br />

MAP_DELIMITER<br />

WF_<br />

_ATM_<br />

_RESULT<br />

no<br />

NULL<br />

Set Error Tracing<br />

already active<br />

Figure 17.2/7 (sheet 1 of 2): Process ATM_HLR<br />

yes<br />

no<br />

yes<br />

Set Subscriber<br />

Tracing =<br />

Not Active<br />

in VLR<br />

OM_Subscriber_<br />

_Tracing_<br />

_Activation_<br />

_cnf<br />

NULL<br />

Set Error<br />

Unknown<br />

Subscriber

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