yeah, all sound great, but VoIP has to be planned properly in terms of capacity and the iBurst network has to implement Quality of Service (QoS) in the radio access network as well as core network. Core network will be easy to do but radio requires software upgrades from Kyocera, Japan and judging by the japanese's failure to keep previous product roadmap promises, i am worried is may all be just talk. VoIP without the QoS required on the radio network to ensure that voice traffic is near realtime will be a quality disaster for users and at best experimental.