Orange customers in the UK will soon be able to pay for content purchased on their Window Phone devices by adding the charge to their mobile phone account. It means they won't need to give their bank information when opening a Microsoft account to buy music, games or apps.

The news comes a week after Research In Motion and Telefonica announced they were working together to introduce integrated carrier billing to BlackBerry App World.

A new report from Juniper Research says music consumed on mobile handsets is expected to generate $5.5 billion (around £4.7 billion) annually in 2015. That's a rise of $3.1 billion from last year's total.

However, the report also warns that piracy still remains a significant threat, both online and on the mobile.

Everything Everywhere – the joint venture between T-Mobile and Orange in the UK – has announced annual financial results for the nine months to 31st December 2010. These are the organisation’s first annual figures.

It achieved almost £5.3 billion in turnover for the 9 months since the venture was created. Adjusted EBITDA (before restructuring costs, brand and management fees) was £1.02 billion for the 9 months ended 31st December.

This week's edition of The Fonecast includes its regular look at the latest mobile industry headlines - and it also returns to last week’s GSMA Mobile World Congress.

New shops from Everything Everywhere, mobiles on the tube, the ever-increasing interest in tablet devices and the future of applications are all up for discussion.

Iain, James and Mark take their regular look at all the big mobile industry news stories affecting the UK... and this week they also review the highlights of Mobile World Congress 2011.