HI All I am compiling pjproject1.12 in carbide3.2 with symbian sdk 5th edition . while compiling the following 2 files are missing which are included in erno.c Windows.h,mmsystem,h cannot be opened are errors thrown. Kindly let me know why are these errors occuring. regards Preethi -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20120315/7371b7d3/attachment.html>