[linux-help] Dialpad and masqurading

[Ryan Claycamp <ryanc@xxxxxxxxxxxxx>]

I am trying to get Dialpad to work on my Windows machine at home,
behind my firewall.  I have tried to follow the instructions I have
found on the Internet, but it doesn't work.  People can hear me call,
but I can't hear them, just as it says in the following instructions:

------
I have a private network, how can I use Dialpad?? 

If you have a private network, even though you can call someone, you
wouldn't be able to hear the remote end. This is because the incoming
voice packets cannot find its way to the PC without a valid (public)
IP address.

In order to use Dialpad on a private network, you have to map the
incoming ports on the server. You have to map the following incoming
ports

UDP: 51200, 51201 
TCP: 51210 

If you need a trigger for them, use TCP: 7175 (outgoing) 

There are many software/hardware out there for routing traffic in a
private network. Although each of them has a different way of
configuring the ports, they basically work the same way. Following are
the explanation for each case known so far. If you are using a
software/hardware that is not listed in here, and managed to use
Dialpad, please let us know so that we could add it to the list.

Linux IP Masquerading (2.2.x kernel) (Thanks to Allen Rotton and Eric
Jorgensen) 
If you're using a firewall, make sure you enabled UDP: 51200, 51201,
and TCP: 51210. 
In your /etc/rc.d/rc.local, add the following lines and reboot: 
/usr/sbin/ipmasqadm autofw -A -v -u -r udp 51200 51201 -c tcp 7175 
/usr/sbin/ipmasqadm autofw -A -v -u -r tcp 51210 51210 -c tcp 7175 
Also, please take a look at
http://www.ispchannel.com/~rottona/linux_dialpad.html 
------

I used the ipmasqadm rules on rottona's page.  I think my problem is
that I don't have UDP: 51200, 51201 and TCP: 51210 enabled.  All the
help pages on Dialpad say to have these ports enabled, but they don't
say how to enable them.  How do I make sure these ports are enabled?

Ryan
-- 
If Bill Gates had a dime for every time a Windows box crashed ... oh, wait
a minute -- he already does.

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