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Chinese National Standard Category: Communication network performance index and testing

English Title: The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network
Chinese Title: 电话自动交换网带内单频脉冲线路信号技术指标测试方法
Standard No.: GB/T 5442-1985
Category No.: M15
Issued by: AQSIQ
Issued on: 1985-10-30
Implemented on: 1986-6-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:
Word Count:4000 words
Similar Standards: GB/T 4574-1984   GB 7609-1987   DB31/T 1324-2021   YD/T 1863.1-2009   YD/T 1863.2-2009   YD/T 1863.3-2009   YD/T 1878.1-2009   YD/T 1878.3-2009   YD/T 1878.2-2009   GB/T 15838-2008   YD/T 1811-2008   YD/T 1794-2008   YD/T 1703-2007   YD/T 1571-2007   YD/T 1551-2007   YD/T 1550.4-2007   YD/T 1546-2007   YD/T 1550.1-2007   YD/T 1570-2007   YD/T 1565-2007  
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