ETSI PRETS 300 295-1994 标准详情
- 标准号:ETSI PRETS 300 295-1994
- 中文标题:人为因素( HF ) ,电话服务色调特性的规格当本地生成的电话终端
- 英文标题:Human Factors (HF); Specifications of Characteristics of Telephone Services Tones When Locally Generated in Telephony Terminals
- 标准类别:欧洲通信ETS,I-ETS,PRI-ETSETS
- 发布日期:1994-01-01