系统还利用由MODEM和公用电话交换网组成的通讯线路进行远程数据传输。
And that, teledata transfer are realized through Lines of Communication which is build-up by MODEM and Public Switched Telephone Network.
先进的科技和公用电话交换网pstn的结合为智能化家居的优化和推广提供了更大的可能性。
The intelligent combination of advanced technology and the public switched telephone network PSTN offers greater possibilities of optimization and promotion of home.
本发明属于公用电话、数据交换网系统工程技术。
This invention refers to public telephone, data exchanging network system engineering tech.
本发明属于公用电话、数据交换网系统工程技术。
This invention refers to public telephone, data exchanging network system engineering tech.
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