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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.
The Extension Mobility Feature, as explained in this training video, allows an end user to log into an IP phone and have that phone take on the characteristics (for example, the same directory numbers and calling privileges) of the user's office phone.