ETS 300 957 Ed.1 (1997) 标准详情
- 标准号:ETS 300 957 Ed.1 (1997)
- 中文标题:
- 英文标题:Digital cellular telecommunications system (Phase 2+) (GSM); Unstructured Supplementary Service Data (USSD); Stage 3 (GSM 04.90 version 7.0.1 Release 1998)
- 标准类别:欧洲通信ETS,I-ETS,PRI-ETSETS
- 发布日期: