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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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Page 530<br />

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

US_<br />

Release<br />

1<br />

Receive_<br />

Open_cnf<br />

OK<br />

Wait_for_<br />

Paging_2<br />

NULL<br />

From VLR<br />

Section 21<br />

From VLR<br />

To VLR<br />

NULL<br />

Page_MSC Section 21.3<br />

MAP_<br />

CLOSE_<br />

req<br />

To local<br />

USSD<br />

application<br />

Error, v1<br />

MAP_<br />

NOTICE_<br />

ind<br />

MAP_<br />

CLOSE_<br />

req<br />

To VLR<br />

Search_For_<br />

MS_MSC<br />

From VLR<br />

Section 21.3<br />

Null Error<br />

OK<br />

Process_<br />

Access_<br />

Request_MSC<br />

MAP_<br />

CLOSE_<br />

req<br />

Wait_for_<br />

USSD_Appl<br />

NULL<br />

US_Open_<br />

Transaction<br />

1<br />

Section 21.4<br />

To VLR<br />

Signal from local USSD<br />

application that it<br />

wishes to open a transaction<br />

MAP_OPEN_req<br />

MAP_DELIMITER_req<br />

To VLR<br />

OK Error<br />

Figure 19.9.2/1 (sheet 3 of 4)<br />

MAP_U_ABORT_ind<br />

MAP_P_ABORT_ind<br />

MAP_CLOSE_ind<br />

US_<br />

Release<br />

NULL<br />

To local<br />

USSD<br />

application

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