If one is disconnected during a telephone conversation, it is the responsibility of the caller to call again, even if the line was broken at the other end.

交谈时电话断线了，打电话的人有责任重新再打，即使是对方断线也应该如此。

youdao

8226; Telephone contact: An unobtrusive tool that's conducted at the end of a routine telephone call.

l 电话交流：在日常电话交流结束时引入的一种对话简短的工具。

youdao

Love is a telephone which always keeps silent when you're longing for a call, but rings when you're not ready for it. As a result, we often miss the sweetness from the other end.

爱情的铃声总在不经意间响起，如果有可能，我希望下次的通话时间是一万年。

youdao

Silent Phone deploys the ZRTP peer-to-peer encryption protocol which is recognized as the leading standard for secure end-to-end communication in a Voice over Internet Protocol (VoIP) telephone call.

FORBES: Silent Circle Adds Android For Encrypted Voice And Video Calls