The client is delaying in order to give the modem time to reset itself in preparation for callback.

为了使调制解调器有时间在准备回叫时进行重置，客户端将延迟操作。

youdao

The client is delaying in order to give the modem time to reset itself in preparation for callback.

为了使调制解调器有时间在准备回叫时进行重置，客户端将延迟操作。

youdao