Traditional voice carriers now offer more complex and diverse services, including IPTV, mobile and video on demand.

传统的语音运营商现在提供更为复杂和多样化的业务，包括IPTV ，手机点播和视频点播。

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The Device has a built-in voice informer, which informs about current date and time, and about different events on demand of user.

这个程序内建了语音提醒，可以提醒当前日期和时间，和根据你的需要的其他事件。

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Demand for rich media services such as Internet access, video on demand, digital television and voice over IP grows more clamorous every day.

对丰富的媒体服务的需求，如因特网接入、视频点播、数字电视和IP电话，日日高涨。

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Not to be outdone, Ford's similar Sync system, which now comes standard on many vehicles, is adding voice-activated, on-demand traffic, sports and weather reports, plus GPS-assisted navigation.

CNN: Technology's next frontier: In-car computing

Ericsson is banking on greater demand for mobile voice and data traffic in Europe to fuel growth.

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The iPhone 4S also comes with a new tool called Siri, voice-command software that can recall information on demand.

FORBES: Morning Tech Wrap: Apple, Salesforce, Amazon