Personal setting > mms setting > access point:airtelmms.com. Ip address:100.001.200.099 proxy port:8080, internet mode:wap, secqurity:on. Save and send blank mms airtel number. If send fail Now Dial *#1921135518# , Then go to mms setting And change message server > add any url > www.yahoo.com , Save the setting. Then go to blog home page > Then press menu button. Then Send Blank MMS TO Airtel Number. Try It.