直接拨号 meaning in Chinese

dd direct dialing
dial directly
did direct in-dialling
direct dialing

Self-dialing has somewhat reduced the number of calls the operators handle, but it has by no means eliminated them completely .
直接拨号可减少话务员所要应付的电话次数，但这绝不等于完全取消了她们的话务工作。
The keypad is a vestige of the rotary dial , which itself is an artefact of the switch from human operators to direct - dialling in the 1920s
数字键盘演变自转盘拨号器，而转盘拨号器则是1920年代人工接线员向直接拨号转变的产物。
Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators - direct dialling in on private branch exchanges - specification for direct dialling in on private branch exchanges with terminating stations treated as an entirety
由某些公共长途电话接线员操作的与公共开关电话网络连接的专用分组交换机.专用分组交换机直接拨号.第1节:与整体终端站连接的专用分组交换机直接拨号规范