AFNOR - NF ETS 300549
Digital cellular telecommunications system (Phase 2). Unstructured Supplementary Service Data (USSD). Stage 2 (GSM 03.90).
active, Most Current
| Organization: | AFNOR |
| Publication Date: | 1 July 1997 |
| Status: | active |
| Page Count: | 32 |
| ICS Code (Telecommunication services. Applications): | 33.030 |
| ICS Code (Global System for Mobile Communication (GSM)): | 33.070.50 |
Document History
NF ETS 300549
July 1, 1997
Digital cellular telecommunications system (Phase 2). Unstructured Supplementary Service Data (USSD). Stage 2 (GSM 03.90).
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