ITU-T E.182-1998 标准详情
- 标准号:ITU-T E.182-1998
- 中文标题:电话业务录音通知和信令音的应用
- 英文标题:application of tones and recorded announcements in telephone services
- 标准类别:国际电信联盟标准
- 发布日期:1998-03-01
This Recommendation gives the responses that telephone networks should provide to subscribers in theoperation of both basic and supplementary telephone services. Three levels of response may be given
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