Table of Contents

Foreword
1 Scope
2 Normative references
3 Abbreviations
4 Cross phase compatibility
5 Network initiated unstructured supplementary
   service data operations
   5.1 Unstructured supplementary service data request
   5.2 Unstructured supplementary service data
       notification
6 Mobile initiated unstructured supplementary service
   data operations
   6.1 Normal operation
   6.2 Cross phase compatibility
Annex A (informative): Status of GSM 04.90
History

Abstract

Gives the stage 3 description of the Unstructured Supplementary Service Data (USSD) operations.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 3
Supersedes	PRETS 300 957 : DEC 96