因为这是 HTTP 请求的结果，所以我们需要将内容返回到用户指示的状态，并包括一个 Terminate 按钮，以便终止呼叫

Since this is the result of an HTTP request, we need to push back content to the user indicating status, and include a Terminate button so the call can be terminated

youdao

会话初始化协议(SIP)是IETF提出的IP电话呼叫信令协议，是一个基于文本的协议，用来创建、修改和终止多媒体呼叫与会话。

SIP is proposed by IETF as IP phone call order protocol which is totally a text modality that to be used to establish, modify and terminate multimedia calls and conversation.

youdao

切断比一般定义为：在传真的事务处理中，已建立的传真呼叫在全部页数传完之前被终止的百分率。

The cut-off ratio may be defined in general, as the percentage of established facsimile calls that are terminated prior to the transmittal of all the pages in the facsimile transaction.

youdao