The Shift from SDH to a Packet-Based Network: A Look at the Transformation Undertaken by EnviaTel

T-Mobile USA Sees Net Customer Loss, Higher Data ARPU T-Mobile USA reported a net loss of 50,000 mobile subscribers in Q2 along with slightly higher ARPU for data services, leading to service revenues of $4.6 billion, consistent with service revenues in the first quarter of 2011. (35 mins ago)

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