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V2EX › 通话质量
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求推荐固定电话，家里父母用 问与答 • fibonacci • Dec 5, 2013 • Lastly replied by glume | 8 |
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在3g下，比起传统的电话用数据流量打voip明显不靠谱呀 问与答 • tywtyw2002 • Jun 3, 2013 • Lastly replied by sillygoose91 | 11 |
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ipad上好用的网络电话请推荐 iPad • zh0501 • Aug 22, 2012 • Lastly replied by luyiyuan129 | 4 |
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