Hi, I have compiled and run *simple_pjsua *program under Visual Studio 2008 on *windows XP *and *it workd perfectly on windows XP*. (Code *Generation->runtime library* kept at *Multi-threaded Debug /MTd)* * * Now exe I produced *I gave it to my friend who is running Windows Vista*. But when he runs that program :- * He could register to SIP account successfully But * when he tries to call other SIP account he gets error as *EC suspended because of inactivity* * * *Do we require to compile program on windows vista separately ? * * * Thanks -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20100219/898d2d34/attachment.html>