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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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Wait_for_<br />

HO_NUMBER<br />

from MSC-B<br />

Check_<br />

Confirmation<br />

HO_NUMBER<br />

present<br />

Call<br />

on<br />

MSC-B<br />

Ok<br />

yes<br />

Set HO-Number<br />

= present<br />

no<br />

MAP_PREPARE_HANDOVER_cnf<br />

See section 21.2<br />

HO_CA_MESSAGE_req,<br />

see NOTE 1,<br />

[Routing information]<br />

Set HO-Number<br />

= not present<br />

Provider error<br />

User error<br />

Data error<br />

Page 337<br />

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

Receive_error<br />

from HO_CA<br />

or MSC<br />

Call<br />

on<br />

MSC-B<br />

Ok<br />

See section 16.2.4<br />

HO_CA_MESSAGE_req,<br />

see NOTE 1,<br />

Figure 16.2.2/1 (sheet 5 of 12): Process MSC_A_HO<br />

NULL<br />

Null

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