The big promise is huge reductions in phone call costs, and access to new, productivity-enhancing applications - many of which have yet to be conceived - that will revolutionise the business.

• 语音IP承诺可以大幅度降低电话费用并且是全新的提高生产力的应用。尽管许多还依然停留在构想阶段，但这些一定会给业务带来一场变革。