calling device

基本解释

Function test of engineer calling device(call device in hospital).
轮机员呼叫（病室呼叫）装置试验。
In order to improve the ringing method of telephone used in power systems, a type of selective calling device using audio frequency has been developed.
为了使电力系统通信设备的呼叫装置更加使用方便工作可靠，我们研制了以按键电话机发出双音频呼叫信号进行选择接收的音频选号装置。
Notice that when the interpreter started, it immediately showed the managed set, without calling create_device or add_device to determine the synchronization mode for the myDomain domain.
注意解释器启动时，它立即显示管理集，不需要调用 create_device 或 add_device 来确定 myDomain 域的同步模式。

This is one of the advantages of being the first to offer built-in hands-free calling on a navigation device.
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Sprint offers Truly UnlimitedSM 4G LTE data, text and calling to any mobile device with no metering, no throttling, and no overages, all while on the Sprint network, making it the ideal carrier for customers who want to use every single feature of their Galaxy S 4 every single day of the month without worry.
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The devices work well, but they're expensive and require the person you're calling to have a matching device.
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