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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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NULL<br />

Receive_Open<br />

Ind<br />

Wait_for_<br />

service_<br />

ind<br />

Check_<br />

Indication<br />

HO-Number<br />

allocation<br />

required<br />

1<br />

Ok<br />

Ok<br />

yes<br />

See section 21.1<br />

MAP_PREPARE_HANDOVER_ind<br />

See section 21.2<br />

no<br />

Wait_for_<br />

Channel<br />

Error<br />

HO_CA_MESSAGE_req,<br />

see NOTE 1<br />

[Handover request]<br />

MAP_<br />

NOTICE_<br />

ind<br />

MAP_<br />

CLOSE_<br />

req<br />

MAP_PREPARE_HANDOVER_rsp,<br />

MAP_CLOSE_req,<br />

Figure 16.2.3/1 (sheet 1 of 11): Process MSC_B_HO<br />

Page 347<br />

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

Perform<br />

MAP v1<br />

dialogue<br />

V1<br />

NULL<br />

Error

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