hi, cfg1.id =pj_str("sip:"SIP_USER"@"SIP_DOMAIN); in this line pj_str taking the char*, i am making a program and there i am using CString, after that for passing that into pj_str i am converting that CString to char *. it building successfully but not adding the account... my code is: CString var1; char* var; var = new char[var1.GetLength()]; wcstombs(var,var1.GetString(),25); cfg1.id =pj_str(var); apart of this i added all like realm, user name etc... if i am looking into message box(for checking) , so i am getting correct value of var(whatever i want). but it is not adding account ,??? can anyone help me out Regards, New_bie -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20081216/fc534c91/attachment.html>