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ETSI - PRETS 300 549

European Digital Cellular Telecommunications System (Phase 2); Unstructured Supplementary Service Data (USSD) - Stage 2 (GSM 03.90)

inactive
Organization: ETSI
Publication Date: 1 January 1994
Status: inactive
Page Count: 34
scope:

This specification gives the stage 2 description of Unstructured Supplementary Service Data (USSD).

The unstructured supplementary service data (USSD) mechanism allows the MS user and a PLMN operator defined application to communicate in a way which is transparent to the MS and to intermediate network entities. The mechanism allows development of PLMN specific supplementary services. The following diagram shows how handling of USSD is carried out, independently of the applications.

This specification defines the requirements for handling USSD at the MS and network entities. It does not include specification of particular applications, nor does it specify how a particular application is selected. Where more than one application exists at a network entity, routing of messages to the correct application is carried out by the applications. The MMI for USSD is specified in TS GSM 02.30.

USSD may be initiated by the mobile station user, or by the network in the following ways:

- Network initiated USSD (section 1);

- Mobile initiated USSD (section 2).

Document History

January 1, 1996
Digital Cellular Telecommunications System (Phase 2); Unstructured Supplementary Service Data (USSD) - Stage 2
A description is not available for this item.
January 1, 1996
Digital Cellular Telecommunications System (Phase 2); Unstructured Supplementary Service Data (USSD) - Stage 2 (GSM 03.90 Version 4.1.0) Second Edition
This second edition draft European Telecommunication Standard (ETS) gives the stage 2 description of Unstructured Supplementary Service Data (USSD). The unstructured supplementary service data...
January 1, 1995
European Digital Cellular Telecommunications System (Phase 2); Unstructured Supplementary Service Data (USSD) - Stage 2
This specification gives the stage 2 description of Unstructured Supplementary Service Data (USSD). The unstructured supplementary service data (USSD) mechanism allows the MS user and a PLMN...
PRETS 300 549
January 1, 1994
European Digital Cellular Telecommunications System (Phase 2); Unstructured Supplementary Service Data (USSD) - Stage 2 (GSM 03.90)
This specification gives the stage 2 description of Unstructured Supplementary Service Data (USSD). The unstructured supplementary service data (USSD) mechanism allows the MS user and a PLMN...
January 1, 1994
European Digital Cellular Telecommunications System (Phase 2); Unstructured Supplementary Service Data (USSD) - Stage 2 (GSM 03.90)
This specification gives the stage 2 description of Unstructured Supplementary Service Data (USSD). The unstructured supplementary service data (USSD) mechanism allows the MS user and a PLMN...

References

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