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消息处理系统 电子数据交换消息处理系统
Message handling systems. Electronic data interchange messaging system
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国内卫星通信地球站发射、接收和地面通信设备技术要求 第4部分 中速数据传输设备
Transmitter, receiver and ground communication equipment used in domestic satellite communication earth stations--Technical requirements. Part 4: Intermediate data rate (IDR) transmission equipment
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综合业务数字网(ISDN)增强型智能第一类网络终端设备(NT1+)技术要求和测试方法
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ISDN用户-网络接口补充业务一致性测试规范
ISDN user-network interface supplementary service conformance testing specification
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基于2048kbit/s系列的数字网抖动和漂移技术要求
Technical requirement for jitter and wander in digital networks based on 2048kbit/s hierarchy
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接入网与IP互通V5.2用户适配层(V5UA)技术要求
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ISDN信令与IP互通用户适配层(IUA)技术要求
价格：￥0.00
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邮政综合计算机网广域网工程验收规范
Code for acceptance of postal integrative computer network for WAN engineering
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TMN管理业务和电信管理域
TMN management services and telecommunication managed areas
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