Huawei, T-Mobile Austria, and Qualcomm have unveiled what is being described as “a smoother transition” between 4G and 3G networks that makes voice over LTE feasible and should speed adoption of the next generation network technology. This is the first step in stopping supporting legacy 2G and eventually 3G networks and freeing up this critical spectrum for more modern utilization. Now who wants to stream an HD video while talking to grandma? [Source GigaOM]