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  • ETSI ETS 300 957
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ETSI ETS 300 957

  • Digital cellular telecommunications system; Unstructured Supplementary Service Data (USSD); Stage 3 (GSM 04.90 version 5.0.1)
  • standard by European Telecommunications Standards Institute, 05/01/1997
  • Publisher: ETSI

$11.00$21.51


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).

Product Details

Edition:
1
Published:
05/01/1997
Number of Pages:
16
File Size:
1 file , 34 KB

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