Digital cellular telecommunications system (Phase 2) (GSM);Unstructured Supplementary Service Data (USSD);Stage 1 (GSM 02.90 version 4.1.1) (Endorsed by Asociación Española de Normalización in December of 2022.)
| AENOR | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Name | UNE-ETS 300625 Ed2 |
