已解决问题
新人求固话pos机原理  (进入论坛模式)
提问者:莫七侠   |  提问时间:2011-10-15 15:50
新人请教pos的原理,分别是怎样与银行和交换连接的?字冠是怎么指出的,指向哪个局向?
关闭所有答案回应     最佳答案
电话机(pos)和交换机之间是普通的pstn线路,电话机(pos)里集成了银行的电话银行中心(收单行)的电话号码(如95555),没有和它连接的交换机的字冠局向的问题,它是全局的特殊字冠。

拨号通了后,就是加密的银行通信问题了,电话只是提供了一个通信通路,pos功能是通过集成的加密模块完成和银行主机(银联主机)的交易通信
回应该答案 (1)  |  回答时间:2011-10-16 14:21
该答案得到 1 个回应   我要回应
118.249.111.*  |  2011-11-11 18:01
display that there's a matrix show of eighty vibrant blue LED's abend cocktailkleider , these make up time show, that is proven inside the regular digital format. The replica tiffany Watches are correct imitations from the authentic watches. Every single piece is compensated individual consideration in generating, and checked cautiously just before it absolutely was introduced towards the view market place ballkleid apart . brautmode brautkleider billig Pick 1 from the stylish and traditional watches, and get pleasure from just about every second in existence with these breathtaking timepieces of top quality at favorable costs. There's no speculate that tiffany watches are amongst probably the most welcomed watches about the world brautmode brautkleider . We also present a return for refund or trade coverage with Replica watches. kleidung blumenkinder And these imitated
其他答案 ( 1 条 )
谢谢回答!新人向老兵致敬
 |  回应该答案 (0)  |  回答者:莫七侠   |  2011-10-17 08:09