自动重拨可以省下很多拨号的时间。

Automatic redial can save a lot of time for you.

youdao

当求助中心的电话占线时，求助终端具有自动重拨功能，一直重拨到求助电话接通为止，这样就增加了求助的可靠性。

When the help center 's telephone is busy, the help terminal can dial again automatically until the telephone connected. The function can increase the system's reliability.

youdao

当求助中心的电话占线时，求助终端具有自动重拨功能，一直重拨到求助电话接通为止，这样就增加了求助的可靠性。

When the help center 's telephone is busy, the help terminal can dial again automatically until the telephone connected. The function can increase the system's reliability.

youdao