如今,在各大、中、小型公司中普遍使用的座机电话,都是通过交换机分出多个分机号码进行通讯。但如果在一个几百人以上甚至上万人以上的公司,每个人都分配一个独立的分机号那成本是很昂贵的,固此低成本的通讯方案应运而生。天诚集团生产的语音模块条,可以理解成是一种电话分线器,这个产品似乎并不陌生,但这款却是与众不同的。从功能上来说,市面上的产品都是非保密型的,即:在双方通话的过程中,如果第三方拿起电话是可以听到 Nowadays, the landline calls commonly used by major, middle and small companies all use a switch to separate multiple extension numbers for communication. But if a company with hundreds or more and even tens of thousands of people, each assigned a separate extension that the cost is very expensive, so low-cost communications solutions came into being. Tiancheng Group produced voice module bar, can be understood as a telephone splitter, this product does not seem familiar, but this one is different. From a functional point of view, the products in the market are non-confidential, that is, during a conversation between two parties, a third party can pick up the phone and can hear it