ETR 219 Ed.1 (1995) 标准详情
- 标准号:ETR 219 Ed.1 (1995)
- 中文标题:
- 英文标题:Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); Functional requirements for Dual Tone Multi-Frequency (DTMF) type UPT access devices
- 标准类别:其他国内外OTHERSS
- 发布日期: