摘要
本文介绍了一种新型的智能化电话主副机自动转换机,它采用微机控制技术,全集成化电路使得一根外线可接两部任意制式的电话机。电话主副间可相互转接。通话以及对外设置免打扰等。
This paper describes a kind of new model intellectual major and vice phone automatic exchanger, it ues the programe control technology, available for 2 pule or Tone phere extensions with only one out line, exchange of calls between the extinsions and no-disturbing.
