ETSI ETS 300 957

This European Telecommunication Standard (ETS) gives the stage 3 descr iption of the Unstructured Supplementary Service Data (USSD) operations. The group of unstructured supplementary service data operations is div ided into two different classes: – Network initiated unstructured supplementary service data operations (clause 5); – Mobile initiated unstructured supplementary service data operations (clause 6).

Edition:

1

Published:

05/01/1997

Number of Pages:

16

File Size:

1 file , 34 KB

Note:

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