Audio text allows voice and data to travel over the same plain old telephone service phone line during the same call.
声音文本允许在同一通话期间，声音与数据通过普通的旧有电话服务的同一线路上进行传输。
Audio text allows voice and data to travel over the same plain old telephone service phone line during the same call.
声音文本允许在同一通话期间，声音与数据通过普通的旧有电话服务的同一线路上进行传输。
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