论文部分内容阅读
Ｓ１２４０机的Ｎｏ．７信令系统简介邮电部软件中心杨晋儒１９９０年邮电部颁布《中国国内电话网Ｎｏ．７信号方式技术规范》后，上海贝尔公司积极开发符合该规范的５Ｘ版Ｎｏ．７信令系统。经邮电部审核，该公司的５Ｘ版Ｎｏ．７信令系统功能符合中国规范要求。邮电部电...
No. of S1240 machines 7 signaling system introduction Ministry of Posts and Telecommunications Software Center Yang Jinru Ministry of Posts and Telecommunications in 1990 promulgated the “China’s domestic telephone network No. 7 signal type technical specifications ”, Shanghai Bell actively develop the specifications in line with the No. 5X version. 7 signaling system. The Ministry of Posts and Telecommunications review, the company’s version 5X No. 7 signaling system functions in line with China’s regulatory requirements. Ministry of Posts and Telecommunications ...