[Asterisk-Users] Restricting/Negotiating H323 Port Ranges

[Eric Wieling]

chan_openh323 uses it's own RTP stack, not Asterisk's RTP stack.  The
chan_h323 can comes with Asterisk uses Asterisk's RTP stack.

On Tue, 2004-01-20 at 19:12, woody+asterisk at solutionsfirst.com.au wrote:
> Our VoIP provider wants to use a restricted set of ports for H323.  All
> their current users have hardware at the customer premises which does this
> successfully for them.
> 
> We are trying to set up Asterisk to do the same (with their co-operation).
> 
> I am not familiar with the H323 terms for these connections, so bear with
> me...
> 
> The (Connect/Listen) Port is 1720 (set in (o)h323.conf)
> Tcp Range 10000-50000 (set in oh323.conf or rtp.conf)
> Udp Range 10000-50000 (set in oh323.conf or rtp.conf)
> 
> Now my tcp dump shows this with oh323 when I try to make a call to
> number at provider:
> 
> Connect from high range port (10006) to provider 1720
> They have a few exchanges....
> 
> Then asterisk connects from port 10007 to provider:2033
> 
> My provider wants this to be port 2020 all the time, but the port number
> just keeps increasing by one.
> 
> So the next call will involve a port of 2034 at their end.
> 
> Is there somewhere in either channel to restrict this middle port range to
> just 2020?
> 
> Or is there some negotiation which asterisk/openh323 libraries don't do?
> 
> Cheers,
> Woody
> 
> 
> _______________________________________________
> Asterisk-Users mailing list
> Asterisk-Users at lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
-- 
Go to http://www.digium.com/index.php?menu=documentation and look at
the "Unofficial Links" section.  This section has links to a wide
variety of 3rd party Asterisk related pages.  My page is the
"Asterisk Resource Pages".

BTEL Consulting 504-899-1387 or 850-484-4545 or 877-677-9643