This paper analyses all factors that influence the telephone connection of program-controlled customer exchangers and puts forward measures for raising the telephone connection rate.

分析了影响程控用户交换机电话接通率的各种因素，并结合实际情况指出提高电话接通率的具体措施。

youdao

This paper analyses all factors that influence the telephone connection of program-controlled customer exchangers and puts forward measures for raising the telephone connection rate.

分析了影响程控用户交换机电话接通率的各种因素，并结合实际情况指出提高电话接通率的具体措施。

youdao