摘要
本文以市话接续和长途接续为例,讨论了国内No.1与No.7信令方式中电话用户部分(IUP)的信号配合,特别是国内电话网多频记发器(MFC)信号与No.7信令方式的信号配合,以及前向信号和后向信号的转换关系。
Taking local telephone and long-distance telephone connection as example. this paper describes the matching of SS No.1 and TUP of SS No.7, especially the MFC and No.7 signal-ling matching in domestic network, and the conversion of the forward and backward signals.
出处
《世界电信》
1994年第6期3-4,35,共3页
World Telecommunications