PJSDP port to Symbian

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@1240 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjlib/include/pj/config_site_sample.h b/pjlib/include/pj/config_site_sample.h
index f873dd5..da67ca8 100644
--- a/pjlib/include/pj/config_site_sample.h
+++ b/pjlib/include/pj/config_site_sample.h
@@ -26,6 +26,12 @@
 #   define PJMEDIA_HAS_SPEEX_AEC	0
 #endif
 
+/*
+ * Typical configuration for Symbian OS target
+ */
+#if defined(PJ_SYMBIAN) && PJ_SYMBIAN!=0
+#   define PJMEDIA_SOUND_IMPLEMENTATION PJMEDIA_SOUND_NULL_SOUND
+#endif
 
 
 /*