公室或者家庭的电话插座中，使用声音呼叫在先(voice call first)方式与使用可视电 话的被呼叫方建立连接，这是最简单的连接方法。
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voice call first
先打电话
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Mr Rockefeller, a Democrat, was the first major voice in the US Congress to call for an investigation into the scandal, which has gripped Britain.
BBC: Phone-hacking: US senator calls for News Corp probe
Everything started up and ran perfectly, though once I made my first long-distance call, I found the voice quality lacking.
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