ETSI - GSM 04.90
European Digital Cellular Telecommunication System (Phase 2); Unstructured Supplementary Service Data (USSD) Stage 3
active, Most Current
| Organization: | ETSI |
| Publication Date: | 1 January 1993 |
| Status: | active |
| Page Count: | 13 |
Document History
GSM 04.90
January 1, 1993
European Digital Cellular Telecommunication System (Phase 2); Unstructured Supplementary Service Data (USSD) Stage 3
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