2)Tap on Add new Modem Connection
-Name:Anything you Would Like.
-Select Modem:Cellular Line(GPRS)
-Tap on Next
3)Access Point name:airtelgprs.com
-click on Next
-Other Fields should be Blank
-Click on Finish
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Airtel mobile office GPRS does not need any proxy so in windows mobile when you want to use mobile office the proxy should be unset(I.e Delete proxy setting.)
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4)Tap on Edit my Proxy Server
-Uncheck mark both option
Its Finish Set up Now Check Your Internet Should be work in Pocket pc.
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If you Want to use Internet in Java browsers just like Opera,UCweb then
Downlod JBED Java Midlet Manager Its Very Good.