“窄带综合业务数字网业务”的俗称Integrated Services Digital Network; ISDN

• “一线通”想吸引更多的窄带用户。

  ISDN wants to attract more narrowband users.

• 大约2000万用户将通过捆绑套餐、一线通等业务模式转到C网。

  Around 20,000,000 users will transfer to the C network through binding bundles and ISDN services.