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Home > News
2008-5-14
VoIP市场前景分析
仅仅数年以前，VoIP领域还是一片兴盛景象，以Vonage公司和Skype公司为代表的独立VoIP服务商如雨后春笋般大量涌现，给全球电信业带来了勃勃生机 ...
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