Companies -- lots of them -- are still buying Windows Mobile smartphones, and Microsoft doesn't want to let iPhone-mania make them forget.

325 enterprises purchased at least 500 Windows Mobile phones in Microsoft's most recent fiscal year, with many buying many more, said Scott Rockfeld, group products manager for the mobile communications business at Microsoft, in an interview.

"From the Armed Forces to the US Court System, people are not just trying Windows Mobile, they are buying them," Rockfeld said, in apparent reference to Apple CEO Steve Jobs statement last month that 35 per cent of Fortune 500 companies were beta-testing the iPhone.

Moreover, seven of the ten largest companies in the world ranked by Fortune magazine bought Windows Mobile phones, including one enterprise that bought 100,000.

Rockfeld declined to name the company or even its line of business. "That would give it away," he said. One possibility is Wal-Mart Stores. Microsoft has long had close ties with the retailing giant, such that its former CIO, Kevin Turner, is now Microsoft's COO.

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