Research company comScore has published a survey comparing mobile usage and behaviour in Japan, the United States and Europe. It found significant differences between the three regions, with almost twice as many Japanese mobile users using their mobiles to go online (browsing, accessing applications or downloading content) as European users.

Vodafone Global Enterprise – the part of Vodafone that manages the communications needs of larger multinational customers – has acquired two telecom expense management companies: Quickcomm, based in Australia, and TnT Expense Management from the USA. It says these two acquisitions will propel Vodafone into being a leading TEM company for multinational organisations. The total deal has been valued at $9.7 million (just over £6 million).

Good Technology, which enables organisations to connect a wide range of devices to their corporate networks, has published its first quarterly data report. The Q3 metrics report shows the Apple iPhone 4 is already the most frequently-activated device among Good’s enterprise customers, followed by the iPhone 3GS.

Rugged mobile phone manufacturer Sonim Technologies has launched a new device, the Sonim XP1300 Core, which it's describing as the world's first IP-68 rated GSM handset that's fully submersible in 2 metres of water. Previous devices, such as the Sonim XP3, were only rated to IP57.

The Telecommunications Regulatory Authority in the United Arab Emirates says BlackBerry services can continue to operate as normal because they're now compliant with the UAE's telecommunications regulatory framework. Certain BlackBerry services had been threatened with closure this month after security concerns were raised in August.