| Description: | Over the years China VoIP Conference has addressed the evolution of the telecom business from PSTN to IP. Today, the telecom business is in the process of transforming itself yet again, from a |
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| Description: | Over the years China VoIP Conference has addressed the evolution of the telecom business from PSTN to IP. Today, the telecom business is in the process of transforming itself yet again, from a |
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