Clearwire Corp. apparently plans to make good on previously mentioned plans to offer VoIP over its WiMAX 4G mobile broadband network. The carrier is testing VoWiMAX devices on its Portland, Ore. network.Mobile voice services will launch in 2010 after testing throughout 2009 to resolve hurdles like integrating with home lines and cellular networks.The development is a boon to cableco partners ... (79 words)

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