Marie-Jose Montpetit, a research scientist at MIT, suggested that speed was also a key difference.
麻省理工学院的科学研究者Marie - Jose Montpetit提到，传播速度也同样是关键差别。
Montpetit wants to unite different communication systems--especially cellular and broadband services--to create an elegant user experience.
Montpetit想联结不同的通信系统（尤其是移动和宽带服务）创造一个优质的用户体验。
Jeff Patmore, who works with Montpetit as head of strategic university research at BT, says such a system could be rolled out this year, although he declines to confirm any plans.
Montpetit的同事，大学战略研究部门在英国电信的负责人Jeff Patmore表示，这样的系统今年可以推出，但他拒绝确认任何计划。
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