| 单词 | distinctive ringing |
| 释义 | distinctive ringing Also known as custom ringing and priority ringing. 1. A network feature that allows the subscriber to (a) enter a list of telephone numbers, calls from which are announced with a special ringing tone, or (b) associate a ringing pattern with different directory numbers, all of which ring on the same physical line. Distinctive ringing is one of a suite of services of the public switched telephone network (PSTN) known as custom local area signaling services (CLASS). See also CLASS and PSTN. 2. A feature of voice telecommunications systems that uses distinctive tones to distinguish between internal and outside incoming calls. Distinctive ringing is a common feature of key telephone systems (KTS), PBX, and Centrex systems. See also Centrex, KTS, and PBX. |
| 随便看 |
|
科学参考收录了5291条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。