T-Mobile USA is expanding beyond its consumer roots on Monday with T-Mobile Wi-Fi Calling with MobileOffice, a service that lets businesses extend capabilities of their desk phones to BlackBerry smartphones.
The service will tie into office PBX (private branch exchange) systems so that employees can use their T-Mobile BlackBerrys in the office on Wi-Fi, using the same number as on their desk phones. They will also have one voicemail box and call filtering system for both phones. Companies could even remove their desk phones and simply use the BlackBerry.
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