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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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Check_<br />

Confirmation<br />

Wait_for_<br />

HO_completion<br />

on MSC-B<br />

Ok<br />

Wait_for<br />

PH_result<br />

NULL<br />

Receive_Open<br />

Cnf<br />

MAP_PREPARE_HANDOVER_cnf<br />

See section 21.2<br />

HO_CA_MESSAGE_req,<br />

see NOTE 1<br />

HO_CA_MESSAGE_ind,<br />

see NOTE 1,<br />

[Handover request]<br />

MAP_OPEN_req<br />

MAP_PREPARE_HANDOVER_req<br />

MAP_DELIMITER_req<br />

See section 21.1<br />

Perform<br />

MAP v1<br />

Dialogue<br />

Ok Provider error<br />

User error<br />

Data error<br />

v1<br />

MAP_U_ABORT_req,<br />

see NOTE 1<br />

Page 333<br />

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

NULL<br />

NULL<br />

Receive_error<br />

from HO_CA<br />

or MSC<br />

NULL<br />

Error<br />

Null,<br />

Error<br />

Figure 16.2.2/1 (sheet 1 of 12): Process MSC_A_HO<br />

HO_CA_MESSAGE_req,<br />

see NOTE 1<br />

See section 16.2.4

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