asterisk users - Nov 2004 - H323/*/IAX <-> Firewall <-> IAX/*/H323

Hi Folks,

I have two H323 Polycom video conference system with a Linux firewall
Iptables in the middle. I am not getting to make H323 working in this
setup and I was wondering to put two * servers as a "bridge" to
"jump"
the firewall using IAX.
The idea basically is:


	h323 Polycom                 IPTABLES
  VideoConference Device <--> *(LAN)  <--->  *(WAN) <----> 
H323 Polycom
                      chan_h323     chan_iax       chan_h323
                    or chan_oh323                 or chan_oh323

Question before spending some time with it... should it work ?

Thanks,

Isamar

Hi,
> -----Original Message-----
> I have two H323 Polycom video conference system with a Linux 
> firewall Iptables in the middle. I am not getting to make 
> H323 working in this setup and I was wondering to put two * 
> servers as a "bridge" to "jump"
> the firewall using IAX.
> The idea basically is:
> 
> 
> 	h323 Polycom                 IPTABLES
>   VideoConference Device <--> *(LAN)  <--->  *(WAN)
<---->
> H323 Polycom
>                       chan_h323     chan_iax       chan_h323
>                     or chan_oh323                 or chan_oh323
> 
> Question before spending some time with it... should it work ?
It should, but as far as I have tested this, it won't. Someone commented to
me that Video RTP is not passed through the Asterisk H323 channel driver,
and therefore it won't work. I consider anything H323 a major pain, but that
might just be me. Some good documentation on how this would (have to) work
would be nice, but is currently lacking.

Florian

I use Polycom video conferencing systems through both Smoothwall and
Astaro Security linux with no problems or special settings what so ever.
They are both using the h323 NAT and connection tracker modules for IP
Tables. 

If you have those in your firewall you should be all set. 

As far as user Asterisk and IAX to bridge it. Asterisk wont pass Video
in its H323 only audio. 

Tim

-----Original Message-----
From: asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Isamar
Maia
Sent: Sunday, November 14, 2004 8:21 AM
To: asterisk-users@lists.digium.com
Subject: [Asterisk-Users] H323/*/IAX <-> Firewall <-> IAX/*/H323 


Hi Folks,

I have two H323 Polycom video conference system with a Linux firewall
Iptables in the middle. I am not getting to make H323 working in this
setup and I was wondering to put two * servers as a "bridge" to
"jump"
the firewall using IAX.
The idea basically is:


	h323 Polycom                 IPTABLES
  VideoConference Device <--> *(LAN)  <--->  *(WAN) <----> 
H323 Polycom
                      chan_h323     chan_iax       chan_h323
                    or chan_oh323                 or chan_oh323

Question before spending some time with it... should it work ?

Thanks,

Isamar


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