Originally Posted by Dubai Stu
Skype is blocked in most of the UAE. It is not blocked in the Free Trade Zone, e.g. Internet City, Media City, Knowledge Village, etc. It also works in the Greens, the Lakes, Emirate Hills, etc. If the distinction seems arbitrary, it is because those areas are served by a competing ISP/phone company.
Two weeks ago, I used SKYPE from the JW Marriott and the OW lounge at the Dubai airport. Flawless.