1. The main attemper telephone is a special purview telephone and have the function of telephone exchange and office telephone. 主调度话机作为一个特殊权限的编程话机，具有话务总机及办公电话的一切功能。
2. Each fire special use telephone extension telephone Shan Zhan a group, telephone jack each Lou Zhan a group. 每一消防专用电话分机单占一路，电话插孔每栋楼占一路。
3. If you'd like to connect a telephone to MFD, please prepare the telephone and telephone line by yourselves. We can install it for you. 如果你们需要连接一部电话在MFD上，请自行准备电话以及电话线，我们可以为你们安装。
4. Each fire special use telephone extension telephone Shan Zhan a group, telephone jack each Lou Zhan a group. 每一消防专用电话分机单占一路，电话插孔每栋楼占一路。
5. Each fire special use telephone extension telephone Shan Zhan a group, telephone jack each Lou Zhan a group. 每一消防专用电话分机单占一路，电话插孔每栋楼占一路。
网络释义
key telephone set key telephone unit push button telephone set 按键电话机;
key telephone set key telephone unit push button telephone set 按键电话机;
key telephone set key telephone unit push button telephone set 按键电话机;
key telephone set key telephone unit push button telephone set 按键电话机;
confidential phone privacy telephone set secret telephone secure telephone 保密电话机;
