With the telecommunications industry in the rapid development, people switch telephone billing system requirements are increasingly high, In this paper, to conduct a thorough study on the basis of the telephone billing system for the secondary development
With the telecommunications industry in the rapid development, people switch telephone billing system requirements are increasingly high, In this paper, to conduct a thorough study on the basis of the telephone billing system for the secondary development
随着电信产业的迅猛发展,人们对交换机电话计费系统的要求也越来越高，本文在进行了深入研究的基础上，对电话计费系统进行了二次开发。