ISDN - Integrated Services Digital Network.
综合业务数字网。
Meanwhile, Integrated Services Digital Network (ISDN) will also be increasing rapidly.
同时，综合业务数字网(ISDN)将继续保持快速的增长。
Integrated Services Digital Network (ISDN); Signalling Systim No. 7; Transaction Capabilities Application Part (TCAP) version 2.
综合业务数字网(ISDN)；7号信令；事务处理能力应用部分(TCAP)版本2。
Integrated Services Digital Network (ISDN); Signalling Systim No. 7; Signalling Connection Control Part (SCCP); interoperability test specification.
综合业务数字网(ISDN)；7号信令；信令连接控制部分(SCCP)，互操作性测试规范。
Integrated Services Digital Network (ISDN); Signalling Systim No. 7; Operation Mainterance and Administration Part (OMAP); Part 1: Protocol specification.
综合业务数字网(ISDN)；7号信令；操作、维护和管理部分(OMAP)，第1部分：协议规范。
Integrated Services Digital Network (ISDN); Signalling Systim No. 7; Operation Mainterance and Administration Part (OMAP); Part 1: Protocol specification.
综合业务数字网(ISDN)；7号信令；操作、维护和管理部分(OMAP)，第1部分：协议规范。
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