[Asterisk-video] Asterisk 1.6 + FontVenta (app_mp4play) - Trying to install Video Call feature

[Rodrigo Simões]

Hello everybody,
I've been trying to install an Asterisk PBX with VideoCall feature in order
to doing IVVR (video response application) through Asterisk1.6 using
Fontventa applications. Nowadays I already have another server using
Asterisk1.4 for doing IVVR application, but I'd like to produce the same
result using Asterisk1.6 in order to testing and analyzing the performance.

Over last week, I've installed the Asterisk1.6 and Fontventa application in
a server running CentOS 5.4. I could complete the installation even though
some external components (dependencies) had resulted in fails. I were able
to correct some issues during the deployment and it resulted in a server
with the whole dependencies such as MPEG4IP, Fontventa app, PCM2MP4 working
well. Although these application has been working, I'm not able to deploy de
Fontventa modules on Asterisk1.6.
When I try to run the Asterisk application, the service starts fine but
aftermath I can't load the Fontventa's modules through CLI interface because
the following message is showed:

*localhost*CLI> module load app_mp4.so
Unable to load module app_mp4.so
Command 'module load app_mp4.so ' failed.
[Nov  5 11:28:35] WARNING[6348]: loader.c:385 load_dynamic_module: Error
loading module 'app_mp4.so': /usr/lib/asterisk/modules/app_mp4.so: undefined
symbol: ast_register_application
[Nov  5 11:28:35] WARNING[6348]: loader.c:780 load_resource: Module
'app_mp4.so' could not be loaded.
*
Because of that, I'm not sure I can use these Fontenta's modules in
Asterisk1.6 or just in Asterisk1.4.
I've found many people in Asterisk mail list talking about this scenario but
I haven't found a success case.

Based on these information, my doubts are:
Is the Asterisk1.6 able to use Fontventa's application?
Is there a native video feature on Asterisk1.6 which I don't need to use
Fontventa's modules?
Is there any else information that I've to know to install Asterisk1.6 with
video features?

Please, let me know if I need to send you any else information.
First of all, thank you for spending time to help me.

-- 
Rodrigo Simões
Voice Technology / Service Specialist
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