This button is like an autodial button.

这个按钮就像一个自动拨号按钮。

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You need to choose a Dial-Up Networking connection in order to use AutoDial.

必须选择“拨号网络”连接才能使用“自动拨号”功能。

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An Autodial button on a phone provides one-touch dialing of outside Numbers, intercom Numbers, or feature codes.

电话机上的自动拨号按钮提供用于外部号码、内部通信号码或功能代码的一次拨号。

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Many companies are using autodial technology that's capable of sending out thousands of calls a minute.

CNN: Two win contest aimed at blocking robocalls