Browsing to .ASHX files on Windows Phone 7

We have a whole bunch of WML pages that are served out using ASHX files and we've had no problems with them. However, someone has just got a Wi开发者_如何学Pythonndows 7 Phone and when they browse to one of these pages they get:

Can't download file!
Windows Phone doesn't support .ashx files

Is there some IIS configuration that we need to do to make this work?

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The phone actually doesn't care about the extension. It sounds like it's actually a problem with the mobile data provider.

You might want to check this out:

http://social.answers.microsoft.com/Forums/en-US/windowsphone7/thread/5b96aa40-f5f6-4123-8854-f666c822c4a6

In particular pay attention to: "Actually - all resolved now. I contatcted my mobile data provide and they knew what the issue was - they lifted a website restriction setting that had defaulted to. All in ordre now." (sic)

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Change .ashx to .aspx and override response.