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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

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Page 510<br />

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

NULL<br />

Receive_<br />

Open_<br />

Ind<br />

Set error<br />

ILLEGAL SS<br />

OPERATION<br />

MAP_<br />

INVOKE_<br />

SS_rsp<br />

MAP_<br />

CLOSE_<br />

req<br />

NULL<br />

Section 21.4<br />

Section 21.1<br />

Operator determined barring<br />

of SS Management<br />

V1 O.K.<br />

null<br />

Wait<br />

Process_<br />

Access_<br />

Request_VLR<br />

ack<br />

Wait_for_<br />

SS_Req<br />

MAP_<br />

INVOKE_<br />

SS_ind<br />

1<br />

null<br />

NULL<br />

Receive_<br />

error_<br />

from_MSC<br />

NULL<br />

Receive_<br />

errors_<br />

from_MSC<br />

null<br />

NULL<br />

null<br />

1<br />

Check_<br />

Indication<br />

PLMN<br />

supports<br />

SS<br />

SS can be<br />

invoked<br />

SS<br />

subscribed<br />

Section 19.10<br />

no<br />

OK<br />

yes<br />

yes<br />

yes<br />

Figure 19.6.3/1<br />

yes<br />

no<br />

no<br />

no<br />

Section 21.2<br />

Error<br />

Set error<br />

CALL<br />

BARRED<br />

Set error<br />

SS NOT<br />

AVAILABLE<br />

Set error<br />

ILLEGAL SS<br />

OPERATION<br />

Set error<br />

SS ERROR<br />

STATUS<br />

MAP_<br />

INVOKE_<br />

SS_rsp<br />

MAP_<br />

CLOSE_<br />

req<br />

NULL

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