The deal will let VoIP providers around the globe more easily exchange traffic with one another without having to touch the PSTN. That will save them money, and allow them to provide features and services that are only possible with end-to-end IP connections. 它代表普通的步沿道路从VoIP臭名昭著的海岛往PSTN和互联网提供的这无缝的服务交付。
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