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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

GSM 09.02 - Version 5.3.0 - Digital cellular telecommunications - ETSI

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MAP_<br />

AUTHEN-<br />

TICATE_Req<br />

MAP_<br />

DELIMITER_<br />

Req<br />

Wait for<br />

response<br />

MAP__<br />

AUTHEN-<br />

TICATE_Cnf<br />

Check_<br />

Confirmation<br />

OK<br />

Received SRES<br />

=expected SRES<br />

RAND<br />

and SRES<br />

available<br />

OK<br />

To MSC<br />

To MSC<br />

From MSC<br />

Section 21.2<br />

Obtain_Authent_<br />

Sets_VLR<br />

Null<br />

Figure 21.5/3<br />

yes<br />

RAND<br />

and SRES<br />

available<br />

Obtain_Authent_<br />

Para_VLR<br />

MAP_U_ABORT_Ind,<br />

MAP_P_ABORT_Ind,<br />

MAP_CLOSE_Ind<br />

from MSC<br />

Illegal_subscriber<br />

Page 635<br />

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

OK Null Unknown_subscriber<br />

Procedure_error<br />

yes<br />

yes<br />

no<br />

no<br />

Provider error,<br />

User Error,<br />

Data error<br />

no<br />

Figure 21.5/2<br />

Unknown_<br />

Subscriber<br />

yes<br />

MAP_<br />

NOTICE_<br />

Ind<br />

MAP_<br />

CLOSE_<br />

Req<br />

RAND<br />

and SRES<br />

available<br />

Obtain_Authent_<br />

Sets_VLR<br />

Null<br />

no<br />

Procedure_<br />

error<br />

From MSC<br />

Figure 21.5/3

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