ETSI - GSM 02.04
European Digital Cellular Telecommunication System (Phase 2); General on Supplementary Services (PRETS 300 503 Version 4.9.0) (ETS 300 503)
active, Most Current
| Organization: | ETSI |
| Publication Date: | 1 January 1993 |
| Status: | active |
| Page Count: | 20 |
Document History
GSM 02.04
January 1, 1993
European Digital Cellular Telecommunication System (Phase 2); General on Supplementary Services (PRETS 300 503 Version 4.9.0) (ETS 300 503)
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