Mark Bridge writes:

It’s time to ‘ketchup’ with last week’s biggest mobile industry news stories - and where better to start than with HP’s claims of ‘saucy’ behaviour?  It’s launched an investigation into last year’s acquisition of UK company Autonomy, claiming the software company had ‘spiced up’ its valuation. Condiment-based puns aside, it’s a serious matter that could see key players from the deal charged with cooking the books.

Juniper Research has published a report that predicts a 21% per year increase in mobile data roaming revenue between 2012 and 2017 as more and more people use data services when abroad.

Total mobile roaming revenue is expected to exceed $80 billion by 2017, with mobile data accounting for $35 billion. This year, total worldwide roaming revenue is expected to reach $46 billion.

EE (formerly Everything Everywhere) has published its third quarter financial results for 2012.

Service revenue was down 3% year-on-year to £1.496 billion, although the company says this would have been a 3.1% increase without the effect of changes to mobile termination rate and roaming regulations.

Syniverse, which provides roaming, messaging and networking services to more than 900 mobile operators worldwide, has agreed to acquire MACH in a deal worth around €550 million (£440 million).

Luxembourg-based MACH offers similar services to a customer base of around 650 operators.

This week's edition of The Fonecast takes a look at the new Google Nexus 7 tablet, wonders what's next for RIM and awaits the arrival of the forthcoming Firefox mobile platform.

There's also talk about HTC's partnership with Pioneer, Vodafone's European reorganisation, the new BT WiFi brand, Ofcom complaints, tariff problems and international roaming.