GB/T 5443-1985
ActiveThe test methods for the technical specifications of ringing and tone for automatic telephone switchingnetwork
电话自动交换网铃流和信号音技术指标测试方法
Application Summary AI generated
This standard specifies the test methods for verifying the technical specifications of ringing current and signaling tones within automatic telephone switching networks. It is applied in the telecommunications industry for the testing and acceptance of telephone exchange equipment and network interfaces to ensure compliance with established signal parameters. The standard is used by manufacturers, network operators, and testing laboratories during equipment development, network deployment, and quality assurance procedures.
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