VoIP: Developments in the Market
收藏Organisation for Economic Co-operation and Development2026-04-11 收录
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https://www.oecd.org/en/publications/voip-developments-in-the-market_231766658613.html
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The development of broadband Internet access, has triggered a shift in voice traffic from traditional public switched telephone networks (PSTN) to alternative Internet Protocol (IP) networks.
