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Hey Guys! I have used a Nokia Lumia 710, but it was horrible. A lot of signal drops, and the signal itself wasn't stable. Also, the signal bar reaches 3/5 maximum at home, and the funny part is that Calls don't connect at signal 2/5 ! Even if calls were connected, A LOT of voice cuts and echoes and...
I would like to learn more about Exchange 2007 and voice calls. This request for help was originally submitted to the Research Assistant on WhatIs.com.