Hi Pritesh,
Please follow the below links. They might be helpful.
http://help.sap.com/saphelp_crm700_ehp01/helpdata/en/03/047b628a2d4383bbd6b25376511a5b/content.htm
http://help.sap.com/saphelp_crm700_ehp01/helpdata/en/af/0408d26ef14d91a654186b388c0012/frameset.htm
Thanks
Kumar