PSTN
常见例句
- How to switch VoIP and PSTN mode on my phone set ?
请问我要在话机上如何操作,才能切换网络电话与传统市话的线路呢? - PSTN?Public?switched?telephone?network?
公共电话交换网? - Frequently, the medium that is used in the PSTN is copper.
PSTN中常用的介质是铜线。 - The process of setting up a data transfer on a PSTN line.
在公用电话交换网(PSTN)线路上建立数据传输的过程。 - Then I began to think how much a low cost PSTN phone is.
我就想啊,一个低成本的普通电话到底要多少钱呢? - It can make your analog telephone ring for Skype or PSTN calls.
体积玲小,网络电话与市话两用合为一体; 返回 PSTN