Just in case: have you installed underlying libraries?

http://wiki.freeswitch.org/wiki/Mod_opal

Sometime ago i tried to compile mod_opal... but alas...

I ended up using mod_h323 http://wiki.freeswitch.org/wiki/Mod_h323

Rgds,

Nikolay.

From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of velusamy Krishnan
Sent: Thursday, September 02, 2010 3:20 PM
To: freeswitch-users@lists.freeswitch.org
Subject: [Freeswitch-users] mod_opal installation problem

Dear All,
When I executed the "make mod_opal" in the source directory, it throws the following error,

making all mod_opal
Compiling /usr/src/GIT/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp...
Compiling /usr/src/GIT/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp ...
/usr/src/GIT/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp:516:146: error: macro "switch_core_session_request" requires 4 arguments, but only 3 given
/usr/src/GIT/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp: In member function ‘virtual OpalLocalConnection* FSEndPoint::CreateConnection(OpalCall&, void*, unsigned int, OpalConnection::StringOptions*)’:
/usr/src/GIT/freeswitch/src/mod/endpoints/mod_opal/mod_opal.cpp:515: error: ‘switch_core_session_request’ was not declared in this scope
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

Kindly anyone give some solution for this..

Regards,
Velusamy.