电话费超支一直是许多人头痛的问题。因为电话管得太死影响工作,管得不严又要枉会大笔电话费。尽管也有电话锁上市,但不是有漏洞,就是不方便。为此,这里向大家介绍一种IC卡智能管理电话机。这种IC卡智能管理电话机适合做非公用电话使用,它是在普通话机的基础上增加了单片机智能控制部分,话费的管理通过智能卡(IC卡)将话费承包到人(亦可称限费通活)来实现。该话机主要由普通电话电路和智能控制电路两大部分组 Telephone overruns have been a headache for many people. Because the telephone pipe is too dead to affect the work, unscrupulous and in vain to pay a large telephone bill. Although there are telephone lock listed, but not a loophole, is not convenient. To this end, here to introduce a smart card management IC phone. This smart card management IC card suitable for non-public telephone use, it is based on the ordinary telephone MCU intelligent control part of the bill management by smart card (IC card) to contract calls to people (also known as limit fee Tonghuo) to achieve. The phone mainly by the ordinary telephone circuit and intelligent control circuit two major groups