10.12.2012 Views

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

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Page 638<br />

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

Macro Obtain_Authent_Para_VLR 215_42(2)<br />

Figure 21.5/4: Macro to obtain authentication parameters from the HLR to the VLR<br />

MAP_U_<br />

ABORT_req<br />

Null<br />

MAP_<br />

NOTICE_<br />

ind<br />

MAP_<br />

CLOSE_<br />

req<br />

MAP_U_<br />

ABORT_req<br />

Null<br />

MAP_P_ABORT_ind,<br />

MAP_U_ABORT_ind,<br />

MAP_CLOSE_ind<br />

from MSC<br />

To HLR<br />

From MSC<br />

To MSC<br />

To HLR<br />

WAIT_FOR_<br />

AUTHENTICATION_<br />

INFO<br />

Re-use old<br />

parameters<br />

OK<br />

yes<br />

MAP_P_ABORT_ind,<br />

MAP_U_ABORT_ind,<br />

MAP_CLOSE_ind<br />

from HLR<br />

Figure 21.5/4 (sheet 2 of 2)<br />

no<br />

MAP_<br />

NOTICE_<br />

ind<br />

MAP_<br />

CLOSE_<br />

Req<br />

Procedure_Error<br />

From HLR<br />

To HLR

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!