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ETSI TS 124 090

ETSI TS 124 090
ETSI TS 124 090 English PDF Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Unstructured Supplementary Service Data (USSD) - Stage 3 (3G TS 24.090 version 3.0.0 Release 1999)

standard published 01/01/2000 by European Telecommunications Standards Institute

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Release 1999 The present document gives the stage 3 description of the Unstructured Supplementary Service Data (USSD) operations.

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Edition: 3.0.0 Published: 01/01/2000 Number of Pages: 15

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