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1. VoIP has become increasingly popular in recent years, especially with the rise of mobile devices.
近年来，VoIP越来越受欢迎，尤其是随着移动设备的兴起。
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2. The company offers VoIP services to its customers worldwide.
该公司向其全球客户提供VoIP服务。
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3. With VoIP, you can save on phone bills and still enjoy high-quality calls.
使用VoIP，您可以节省电话费用，同时享受高质量的通话。