Cable operators are making aggressive market-share grabs in residential and business voice services.

有线电视运营商正在积极的争夺在住宅及商业的语音业务方面的市场份额。

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But European airlines soon may offer voice services too; Ryanair plans to begin testing in-flight cellphone service in the second quarter of this year.

不过，欧洲的航空公司不久也要推出机上通话服务了。Ryanair计划今年二季度开始试行在飞机上提供手机服务。

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The app innovation unleashed by smartphones puts pressure on traditional telecom profit centres, not only around value-added services, but also on core messaging and voice services.

智能手机促使应用革新，这样把压力转移到传统的电信营利中心，这种压力不仅存在于增值服务方面，还包括其核心的讯息和通话服务。

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Net2Phone aims to provide the software core for all voice services on the Net.

FORBES: Sound Idea

Consider the competition for wireless voice services, which has played out over a decade.

FORBES: Are Wireless Data Prices in the United States Too High?

The massive deal will buy Microsoft immediate visibility in Internet based voice services, both for consumer and enterprise applications.

FORBES: Microsoft's Acquisition Of Skype: Is It Worth It?