WiFi Calling with Nexus 5

    I'm considering getting an older (but new) Nexus 5 for my daughter. We often find ourselves in fringe areas where cell coverage is spotty at best so WiFi calling is a must - especially near her school.

     

    Does anyone know whether the Nexus 5 supports WiFi calling? The last discussion details I saw on this site indicated Google was working with T-mobile and it was "coming soon" (as of March '15). If the Nexus 5 comes with KitKat but if it upgrades to Lollipop, would that provide WiFi calling support?

     

    Thanks very much for all responses.

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