一种国内首创的电话交换机-QZJ-10型自动电话交换机,近日在河南安阳市电子开发公司研制成功,通过了部级技术鉴定,省邮电管理局下文同意入网,目前已开始批量生产。QZJ-10型自动电话交换机不仅具有内线交换的一般功能。而且能够直拨外线与市话线联接,不用值机员,不占房间,用一条外线即可按装十部电话,适合于城市中的高 A domestic first-generation telephone exchange -QZJ-10 automatic telephone exchange, recently developed in Anyang City, Henan Electronic Development Corporation, passed the ministerial technical appraisal, the provincial post and Telecommunications Authority agreed to access the following text, has now begun mass production. QZJ-10 automatic telephone exchange not only has the general function of internal exchange. And direct dial telephone line connection with the city, not the value of crew, do not account for the room, with an outside line can be installed by ten phones, suitable for high in the city