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基于H.323和基于会话初始协议(SIP)的IP电话互通技术要求
Technical specification for IP telephony interworking based on H.323 and SIP
参考页数：54P.;A4
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通信设备用铃流信号发生器
Ring generator for telecommunication equipment
参考页数：17P.;A4
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多媒体IC卡公用电话系统技术规范
The technical specification of multimedia IC card public telephone system
参考页数：57P.;A4
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移动IC卡公用电话系统技术要求
The technical specification of mobile IC card public telephone system
参考页数：37P.;A4
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电话交换设备总技术规范（补充件1）
The Supplementary Specification to SPC
参考页数：37P.;A4
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通信设备过电压过电流保护用集成电路型保安单元
Integrated Circuit for The overvoltage and overcurrent protection of telecommunications installations
参考页数：20P.;A4
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IP电话网关设备测试方法
Testing Methods for IP Telephony Gateway
参考页数：188P.;A4
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电话机附加功能的基本技术要求及试验方法
Technical Requirements and Testing Methods of Telephone Additional Functions
参考页数：11P.;A4
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通信仪表的电磁兼容性限值及测量方法
Limits and methods of measurement of electromagnetic compatibility for communication instruments
参考页数：13P.;A4
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IP电话终端设备语音质量及传输性能技术要求和测试方法
Speech quality and transmission performance requirements and testing methods for IP telephony equipment
参考页数：38P.;A4
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