Hi, According to wiki it still in development status, but should compile right? Any idea about this? thanks. make In file included from mod_opal.cpp:25: mod_opal.h:151: error: conflicting return type specified for ‘virtual OpalLocalConnection* FSEndPoint::CreateConnection(OpalCall&, void*)’ /usr/include/opal/opal/localep.h:267: error: overriding ‘virtual ptlib_virtual_function_changed_or_removed****** OpalLocalEndPoint::CreateConnection(OpalCall&, void*)’ mod_opal.cpp: In constructor ‘FSConnection::FSConnection(OpalCall&, FSEndPoint&, switch_caller_profile_t*, switch_core_session_t*, switch_channel_t*)’: mod_opal.cpp:564: error: no matching function for call to ‘OpalLocalConnection::OpalLocalConnection(OpalCall&, FSEndPoint&, NULL)’ /usr/include/opal/opal/localep.h:290: note: candidates are: OpalLocalConnection::OpalLocalConnection(OpalCall&, OpalLocalEndPoint&, void*, unsigned int, OpalConnection::StringOptions*, char)/usr/include/opal/opal/localep.h: 276: note: OpalLocalConnection::OpalLocalConnection(const OpalLocalConnection&) mod_opal.cpp: In member function ‘switch_status_t FSConnection::receive_message(switch_core_session_message_t*)’: mod_opal.cpp:1037: error: ‘SWITCH_CHANNEL_SESSION_LOG’ was not declared in this scope make[1]: *** [mod_opal.lo] Error 1 make: *** [all] Error 1