| 释义 |
综合业务数字网zōnghéyèwùshùzìwǎngIntegrated Services Digital Network (ISDN) (computing)综合业务数字网由数字传输与数字交换结合而成,提供端到端数字连接,实现在同一个网络上承载多种业务的数字化电信网integrated services digital network; ISDN可视电话在传输信道上可分为公用电话网型、综合业务数字网型等多种方式。 Video calls can be divided into several metho |