It's more convenient for the credit consumers to apply finance POS to public group exchange network .Comparing the forming way of traditional telephone network with that of group exchange network in prcactice shows that the service of finance department c
夏永康.金融POS机在公用分组交换网上的应用[J].重庆工商大学学报(自然科学版),1999,(3): XIA Yong kang. Application of Finance POS to the Public Group Exchange Network[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),1999,(3):