Webwire: Telenor disputes €291m tax bill; Samsung seeks fresh iPhone bans

Norwegian carrier Telenor refuses to fork out $400 million (€291 million) in revenue tax for its Bangladeshi subsidiary Grameenphone.
Samsung is seeking an injunction on sales of the iPhone 4S in Australia, and of the 4S, iPad 2 and iPhone 4 in Japan, due to alleged violation of wireless and UI patents.
IBM grew its 3Q profit 7% to $3.59 billion (€2.6 billion), but posted revenue below expectations, sending the company's stock price down nearly 4%.
Google plans to shut down its Buzz microblogging service within weeks, to concentrate on its Google+ social network.
It is too early to tell what impact a recent BlackBerry outage will have on RIM's earnings and subscriber number, co-chief executive Jim Balsillie says. The company is offering $100 (€73) worth of free apps to users by way of compensation.
South Africa's MTN is in talks to buy Vodafone subsidiary Vodacom's 51% stake in wireless venture Vodacom Congo, as the operator seeks to end a dispute with partner Congolese Wireless Network.

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