数字话机 meaning in Chinese

digital subset

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。
Instant & continuous recording within cf card , plug - and - play feature makes the microlog the perfect personal recorder
可录模拟、数字话机、手机、室内谈话及拨出、入电话号码
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？