常見(jiàn)例句How to switch VoIP and PSTN mode on my phone set ? 請(qǐng)問(wèn)我要在話(huà)機(jī)上如何操作,才能切換網(wǎng)絡(luò)電話(huà)與傳統(tǒng)市話(huà)的線(xiàn)路呢?PSTN?Public?switched?telephone?network? 公共電話(huà)交換網(wǎng)?Frequently, the medium that is used in the PSTN is copper. PSTN中常用的介質(zhì)是銅線(xiàn)。The process of setting up a data transfer on a PSTN line. 在公用電話(huà)交換網(wǎng)(PSTN)線(xiàn)路上建立數(shù)據(jù)傳輸?shù)倪^(guò)程。Then I began to think how much a low cost PSTN phone is. 我就想啊,一個(gè)低成本的普通電話(huà)到底要多少錢(qián)呢?It can make your analog telephone ring for Skype or PSTN calls. 體積玲小,網(wǎng)絡(luò)電話(huà)與市話(huà)兩用合為一體; 返回 PSTN