From Forum Nokia Wiki

This class provides the information about the system.XQSysInfo class is very useful in Qt.You can not directly use it.

This article contains the information about the Reading IMSI( International Mobile Subscriber Identity).IMSI is a unique number associated with all GSM and UMTS network mobile phone users. It is stored in the SIM inside the phone and is sent by the phone to the network.

This class can also give IMEI number in Qt for that go on belove link http://wiki.forum.nokia.com/index.php/Getting_IMEI_number_in_Qt

This article is very useful for beginner and intermediate.

--nayan trivedi 09:59, 19 September 2009 (UTC)