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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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Wait_for_<br />

service_ind<br />

A_PROCESS_<br />

UNST'D_SS_<br />

REQUEST_ind<br />

no<br />

Section<br />

19.10<br />

Wait_for_<br />

pussd_cnf<br />

Receive_<br />

Errors_MSC<br />

NULL<br />

yes<br />

MAP_U_<br />

ABORT_req<br />

Handle at MSC?<br />

(See <strong>GSM</strong> 03.90)<br />

Arrows to left are to MS,<br />

arrows to right are to VLR<br />

unless otherwise stated.<br />

MAP_PROCESS_UNST'D_SS_REQUEST_req<br />

MAP_DELIMITER_req<br />

MAP_PROCESS_<br />

UNST'D_SS_<br />

REQUEST_cnf<br />

NULL<br />

Yes<br />

A_CM_<br />

REL_COMP<br />

MAP_P<br />

ERROR<br />

no<br />

A_PROCESS_<br />

UNST'D_SS_<br />

REQUEST_rsp<br />

MAP_UNST'D_<br />

SS_NOTIFY_<br />

ind<br />

A_UNST'D_<br />

SS_NOTIFY_<br />

req<br />

Wait_for_<br />

ussdn_cnf<br />

A_UNST'D_<br />

SS_NOTIFY_<br />

cnf<br />

MAP_UNST'D_<br />

SS_NOTIFY_<br />

rsp<br />

MAP_<br />

DELIMITER_<br />

req<br />

Wait_for_<br />

pussd_cnf<br />

1<br />

Section<br />

19.10<br />

Page 517<br />

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

Receive_<br />

Errors_MSC<br />

NULL<br />

Figure 19.8.2/1 (sheet 1 of 2)<br />

NULL<br />

A_CM_<br />

SERV_REQ<br />

Process_<br />

Access_<br />

Request_MSC<br />

OK<br />

Wait_for_<br />

service_ind<br />

MAP_UNST'D_<br />

SS_REQUEST_<br />

ind<br />

A_UNST'D_<br />

SS_REQUEST_<br />

req<br />

Wait_for_<br />

ussdr_cnf<br />

A_UNST'D_<br />

SS_REQUEST_<br />

cnf<br />

MAP_UNST'D_<br />

SS_REQUEST_<br />

rsp<br />

MAP_<br />

DELIMITER_<br />

req<br />

Wait_for_<br />

pussd_cnf<br />

<strong>GSM</strong> 04.08, 04.10<br />

Section 21.4<br />

Section<br />

19.10<br />

NULL<br />

Receive_<br />

Errors_MSC<br />

NULL<br />

Error

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