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Accessible from your Account page after purchase. Requires the free QuickTime Player software.
Videos can be viewed on: Windows 8, Windows XP, Vista, 7, and all versions of Macintosh OS X including the iPad, and other platforms that support the industry standard h.264 video codec.
This video shows how an IP phone can maintain its calling privileges when it moves between geographic locations, while having some of its settings (for example, its time zone) updated based on its new location.