| 1. | Code for design of railway spc digital telephone switching engineering 铁路时分数字程控电话交换工程设计规范 |
| 2. | Digital telephone exchange txd 数字电话交换机 |
| 3. | Digital telephone network dtn 数字电话网络 |
| 4. | Methods for measuring transmission performance of analog and digital telephone sets 模拟和数字电话机传输性能测试方法 |
| 5. | Digital telephone networ 数字电话网 |
| 6. | Facility to record for special analog or digital telephone . connect directly from handset to record 连接至话机听筒插座,供通话声音输出至录音设备使用 |
| 7. | Capable to record from analog handset , digital telephone , cellular phone and desktop face - to - face conversations 可录模拟话机,数字话机(另选配ta - 100 ) ,手机及室内对话。 |
| 8. | Standard methods for measuring transmission performance of analog and digital telephone sets , handsets , and headsets 测试模拟和数字电话机话筒及听筒的语音传输性能的标准方法 |
| 9. | This percentage is obtained by dividing the number of main lines connected to digital telephone exchanges by the total number of main lines 这个百分比通过连接到数字电话交换机的主线数除以主线总数得到。 |
| 10. | I have a regular analog telephone , an avaya digital telephone , and a mobile . is it possible to connect all of the above to microlog at the same time 我桌上有专线话机, avaya数字话机与随身手机,是否可同时连接microlog使用? |