News in brief: Openet, Cisco, BT, Amazon, Wibox, Tring, Apple, Vodafone Portugal, Puma

Subscriber optimization software provider Openet has launched a RAN congestion solution that enables operators to manage traffic in real-time. 
Cisco yesterday launched a cloud collaboration product that it says allows service providers to deploy multiple collaboration applications on a single server in a virtual environment, and then host the apps for multiple clients. 
Separately, BT said it planned to expand its hosted IP telephony service, which uses BT and Cisco cloud-based technologies, to US corporate customers. 
Amazon has launched an updated version of the large-screen Kindle DX, with a higher-contrast screen, and cut the price to $379 (€310) from $489. Amazon cut the prices of the regular Kindle by $70 last month.  
French Wimax operator Wibox has signed a distribution agreement for the ASTRA2Connect satellite broadband service offered by SES Astra.  
Albania's Tring Communications will deploy Alcatel-Lucent's DSL and access management technologies to support the broadcast of satellite TV channels to its DSL subscribers.
Apple’s rivals are making the most of reported problems with the iPhone 4’s antenna, with Motorola proclaiming users can hold its forthcoming Droid X “any way you like” in an advert in yesterday’s New York Times, and Nokia issuing a guide on how to hold its devices earlier this week. 
Vodafone Portugal will deploy Nokia Siemens Networks’ Service Broker to combine legacy services like its personalized voice greeting, with next-generation IP Multimedia Subsystem services. 
Sports equipment maker Puma today launched a branded smartphone in eleven European markets. The aptly-named Puma Phone, made by French vendor Sagem Wireless, and is targeted at users aged 18-30 and costs €399 SIM-free.