diff -ur a/src/h323pluginmgr.cxx b/src/h323pluginmgr.cxx
--- a/src/h323pluginmgr.cxx	2012-11-29 17:23:26.000000000 +0100
+++ b/src/h323pluginmgr.cxx	2013-02-22 18:56:33.100356993 +0100
@@ -1543,7 +1543,9 @@
     PopulateMediaFormatOptions(codecDefn, fmt);
     PopulateMediaFormatFromGenericData(fmt, 
           (PluginCodec_H323GenericCodecData *)codecDefn->h323CapabilityData);
+#if PTRACING
     OpalMediaFormat::DebugOptionList(fmt);
+#endif
     return true;
 }