Dear. I am trying of use mod_opal, i am use the the follow how to: http://wiki.freeswitch.org/wiki/FreeSwitch_H323 But when i try of install mod_opal i receive the follow error: cc:/usr/src/freeswitch.trunk# make mod_opal making all mod_opal Compiling /usr/src/freeswitch.trunk/src/mod/endpoints/mod_opal/mod_opal.cpp... Compiling /usr/src/freeswitch.trunk/src/mod/endpoints/mod_opal/mod_opal.cpp ... /usr/src/freeswitch.trunk/src/mod/endpoints/mod_opal/mod_opal.cpp:67: error: invalid conversion from âswitch_call_cause_t (*)(switch_core_session_t*, switch_event_t*, switch_caller_profile_t*, switch_core_session_t**, switch_memory_pool_t**, switch_originate_flag_t)â to âswitch_call_cause_t (*)(switch_core_session_t*, switch_event_t*, switch_caller_profile_t*, switch_core_session_t**, switch_memory_pool_t**, switch_originate_flag_t, switch_call_cause_t*)â make[4]: *** [mod_opal.lo] Error 1 make[3]: *** [all] Error 1 make[2]: *** [mod_opal-all] Error 1 make[1]: *** [mod_opal] Error 2 make: *** [mod_opal] Error 2 I am using FreesWITCH version: FreeSWITCH Version 1.0.trunk (16526) I need support H323 on my FS. Anyone could help me. Regards.