toll circuit वाक्य
उदाहरण वाक्य
मोबाइल
- On July 16, 1920 the world's first commercial wireless radiotelephone toll circuit was opened to the public between San Pedro and Avalon.
- Long distance or "'toll "'calls required the manual intervention of an operator, who had access to toll circuits, either via an operator's cord board or a toll exchange ( switch ).
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