语音呼叫 meaning in English

speech call

Progress on voice call continuity standardization
语音呼叫连续性业务标准进展
In this scenario , it is assumed that the voice call takes priority over the data call
在这种情况下，可以假设语音呼叫的优先级别高于数字呼叫。
Gets a value indicating whether the browser device is capable of initiating a voice call
获取一个值，该值指示浏览器设备是否能够启动语音呼叫。
The calling machine hardware platform uses mcs51 microprocessor - at89c52 as the main controller . it receives instruction from the system computer and sends the code to the audio terminals . every room terminal is connected in bus mode with the calling machine through a five - line cable
呼叫主机硬件平台核心采用了mcs51系列的单片机，并选用了atmel公司的性价比较高的?款at89c52单片机作为主控制器，与系统主机进行通信，接收主机的控制命令，实现前台与各个终端的语音呼叫和对讲。