When you combine the technologies present in internal modems with voice recognition, the basics for having your computer replace your phone-voiceline are in place.
把内部调制解调器技术与语音识别结合起来，用计算机取代电话基本上是可以的。
2
His voice came down the line as clear as a bell.
他的声音如铃声般清脆地从听筒里传出来。
《牛津词典》
3
"I want to make a collect call," she said as soon as a voice came on the line.