thank you Sergio for reply. but i have tried every thing .i almost read all wiki topics related to it.and follow some solution lke increase time out period and increase MAX_DNS_RETRY. but still having same problem. while debugging above issue ,i have observed ,no response form gsm modem.device continuously sending request to resolve www.google.com. but no result.i get time out error after MAX_DNS_RETRY. so is there wrong with GSM modem??i have attached again detailed debug log.so any one who done this before pls help me .log is quite messy but it is in detailed form. Dbug_log_1.log <http://lwip.100.n7.nabble.com/file/n24029/Dbug_log_1.log> thank you regards, rohan.
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