phone calls and bbm used on wifi
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Hey all,
I need someone who understands BB to explain this. I am currently using BB pearl 8120 with T-mobile. But i'm i a city where tmobile tower isnt there, so i am roaming. Anyhow, today I was in a room with no mobile network/coverage, so I turned off my mobile network and turned on the Wi-fi. As I was using the browser, I started receiving bbm msgs through Wi-fi the whole time and the mobile network is 100% OFF! What's even more creepy, on the home screen it said T-mobile - xxxxx (xxxxx = the wireless router i'm connected to) and I was able to use the phone to call people and talk, and again, the mobile network was off. What I did realise however is it said UMA on the top right hand corner with the arrows going up and down. Later on, I left to another building, and it did not work, only wifi worked as normal. so does this happen with any wifi or what is it exactly.
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