Webwire: AT&T ready for T-Mo failure; Microsoft still keen on Yahoo

Analysts believe AT&T is accepting failure in its bid to acquire T-Mobile USA by recording a $4 billion (€3 billion) one-off cost in its current financial quarter to cover the cost of any collapse.
Microsoft is still eyeing Yahoo, signing a non-disclosure agreement allowing it to take a closer look at the books of the firm. However the software giant is tipped to finance a bid for a minority stake rather than mount a full takeover.
UK regulator Ofcom is pushing operators to be clearer about their traffic management measures, following reports that major mobile operators are blocking rival VoIP and messenger services.
The majority (84%) of iPhone owners will buy another Apple phone when upgrading their handsets, compared with 60% for Android and 48% BlackBerry.
Samsung promises to fix a bug affecting the volume on its Galaxy Nexus smartphone - the first commercial device running the latest version of Google’s Android operating system.
Trading in Egypt's Orascom Telecom has been halted to allow the operator to split its Egyptian and North Korean businesses into separate companies.