For the past couple of years, Microsoft has been on a tear of signing up Android and Chome OS device makers to license publicly unspecified Microsoft patents that Microsoft claims are infringed upon by Google’s operating systems.

via Microsoft inks patent deal with service provider using Linux servers | ZDNet.

In 2010, Amazon.com signed a patent-licensing deal with Microsoft involving Linux (upon which the Kindle e-reader is based). Novell, TomTom, Fuji Xerox and Samsung also have signed Linux-focused patent deals with Microsoft. But Amdocs isn’t selling Linux-based hardware; it is just running Linux on servers in its own datacenters (best I can tell).