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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 402<br />

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

17.4.2 Subscriber identity procedure in the VLR<br />

When the IMSI request is received from the OMC, the VLR will send the MAP_SEND_IMSI request to the<br />

HLR. The contents of the response is sent to the OMC.<br />

The subscriber identity procedure in the VLR is shown in figure 17.4/3.<br />

Figure 17.4/3: The send IMSI process in the VLR<br />

Set error<br />

OM_Subscriber_<br />

_identity_<br />

_cnf<br />

NULL<br />

Error<br />

V1<br />

NULL<br />

OM_Subscriber_<br />

_Identity_<br />

_req<br />

Receive_<br />

Open_Cnf<br />

WF_<br />

_IDENTITY_<br />

_RESULT<br />

MAP_SEND_<br />

_IMSI_cnf<br />

OK<br />

Check_<br />

Confirmation<br />

OK Error<br />

NULL<br />

MAP_OPEN_req<br />

MAP_SEND_IMSI_req<br />

MAP_DELIMITER_req<br />

MAP_NOTICE<br />

MAP_U_<br />

_ABORT_req<br />

Set error<br />

OM_Subscriber_<br />

_identity_<br />

_cnf<br />

NULL<br />

Figure 17.4/3: Process Send_IMSI_VLR<br />

MAP_CLOSE_ind,<br />

MAP_U_ABORT_ind,<br />

MAP_P_ABORT_ind

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