T-Mobile UMA "A Couple of Bucks a Month"
UMA?
"the phone has been shown with T-bobile branding and appears to be an exclusive for the carrier"
basically this means that your calls will seamlessly switch from your cellular service to Wi-Fi (wireless internet) VoIP (voice over internet protocol). More basically....if you are in a wireless internet zone, you will be talking over that, which (in theory) will not use your minutes and not depend on your distance from a cellular tower for reception.
(Unlicensed Mobile Access)
Unlicensed Mobile Access (UMA) provides access to cellular mobile voice and data services over unlicensed spectrum technologies, including Bluetooth and Wi-Fi (802.11).
A UMA phone will use a cellular networks (GSM, CDMA, etc.) when out and about, and automatically switch to a UMA-enabled Bluetooth or Wi-Fi local network when in range, such as at home or in the office.
In local mode, a complete, virtual GSM or CDMA connection is "tunneled" to the carrier via the Bluetooth or Wi-Fi connection and the Internet. This allows seamless, transparent use of all services at all times, including voice, messaging, and data services.
This hybrid approach allows fulls mobility, while offering consumer...
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