T-Mobile BlackBerry Bold 9900 Won’t Use UMA for Wi-Fi Calling

T-Mobile will likely miss its targeted November release date for a software update that will enable a much-anticipated Wi-Fi calling feature. But CIO.com’s Al Sacco has a few new details on the upcoming OS and its Wi-Fi calling functionality, and they may come as bad news to T-Mobile customers awaiting the update.
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  • Small and Medium Business