Hi Matthias Günther, Lots of thanks. My problem got solved. I was dealing with wrong Modem.conf file. Thanks to each and every individual who supported me to resolve the problem. Thanks for sparing your time. Special Thanks to Zhenhua.zang from intel for his support. Thanks in advance. Regards, Krishna K Kandula. _________________________________________________________________ Catch the latest in the world of fashion http://lifestyle.in.msn.com/