The company doesn't yet provide actual telephone service, like a mobile carrier such as

该公司目前尚不提供像移动电话运营商Verizon Wireless公司和老牌电话公司AT&T那样的实际电话服务，但是这一天的到来已指日可待。

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The copper telephone line that ran to every house was regulated as a common carrier.

铺到每户的铜芯电话线路作为运输业运营商进行管制。

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This article applies from the adaptive-filtering theory on proceeding the research of the Speech Enhancement problem in the carrier telephone of the electric locomotive down the coal mine well.

本文应用自适应滤波理论对煤矿井下架线电机车载波电话的语音增强问题进行研究。

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When customers complain to their telephone carrier, some telephone companies are now warn that there might be a financial crime associated with these calls as well.

FORBES: Cybercriminals Phone It In

That might be persuasive if the full weight of America's common-carrier rules as they apply to the telephone business, with all the micro-management they involve, were dumped on the cable industry.

ECONOMIST: Beware the gatekeeper

NTT's network altogether, SpeedNet will avoid having to pay the dominant carrier's interconnection charges, which independent telephone companies reckon amount to a third of their total operating costs.

ECONOMIST: Japanese Telecoms