> i wonder if my microcell will work with tmobile? It will not. Instead of a dedicated unit T-mo uses UMA to allow phones to make calls via any wifi connection

> i wonder if my microcell will work with tmobile? It will not. Instead of a dedicated unit T-mo uses UMA to allow phones to make calls via any wifi connection. http://en.wikipedia.org/wiki/Generic_Access_Network http://en.wikipedia.org/wiki/Generic_Access_Network I believe it had previously been implemented in hardware (BB Curve etc.), these days it's implemented via software for Android handsets. Not yet supported on iphones.