谈谈２００号电话业务陈万复所谓２００号电话业务，就是一种通过长市电话交换网的附加智能系统——名为语音平台的附加设备，开发出来的密码长途直拨业务。所有向２００号业务经营部门申请，获得批准，持有帐号卡和密码条的用户，可以通过任何一部电话，例如公用电话，在... Talking about the No. 200 telephone service Chen Wanfu The so-called No. 200 telephone service is a long-distance direct dialing service developed through the additional intelligent system of the telephone exchange network in the Changshi City, an additional device called a voice platform. All applications to the 200 business operations department, approved, holding an account card and password of the user, you can by any one phone, such as the public telephone, in ...