PSTN

常见例句

How to switch VoIP and PSTN mode on my phone set ?
請問我要在話機上如何操作，才能切換網絡電話與傳統市話的線路呢?
PSTN?Public?switched?telephone?network?
公共電話交換網?
Frequently, the medium that is used in the PSTN is copper.
PSTN中常用的介質是銅線。
The process of setting up a data transfer on a PSTN line.
在公用電話交換網（PSTN）線路上建立數據傳輸的過程。
Then I began to think how much a low cost PSTN phone is.
我就想啊，一個低成本的普通電話到底要多少錢呢？
It can make your analog telephone ring for Skype or PSTN calls.
躰積玲小，網絡電話與市話兩用郃爲一躰；