This Recommendation describes international data transmission services (leased circuit, circuit switched, packet switched, and fiame relay) and optional user facilities in public data networks and ISDNs. This revision includes optional user facilities for
ITU-T X.2-2000由国际电信联盟 IX-ITU 发布于 2000-03-01。
ITU-T X.2-2000 在中国标准分类中归属于: M32 数据通信设备,在国际标准分类中归属于: 35.200 接口和互连设备。
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