GB/T 7623-1987 Automatic answering equipment and/or parallel automatic calling equipment on the general switched telephone network， including procedures for bling of echo control devices for both manually and automatically established calls

Standard Number: GB/T 7623-1987
Chinese:在电话自动交换网上的自动应答设备和(或)并行自动呼叫设备， 包括人工和自动建立呼叫时使回波控制装置停止工作的规程
English:Automatic answering equipment and/or parallel automatic calling equipment on the general switched telephone network， including procedures for bling of echo control devices for both manually and automatically established calls

Effective Date:1987-11-01
Regulatory Authority:Ministry of Industry and Information Technology（通信）
Issuing Regulatory Authority:

Adheres to international standards:Y
PDF Downloadable:N

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