Reverse Tunneling with ZBD

Hello, being behind a very restrictive firewall, (only port 80 is 
open), I thought ssh port forwarding would be exactly what I needed, 
but as my final goal was to do video/chat conference, UDP ports were 
necessary, so I decided to switch to zebedee.
Now, although I have successfully been able to send the audio and video 
through the firewall to the host running zebedee server; I have no clue 
how I can get the other person's audio/video back through the firewall 
to me.... (with ssh I would have used "reverse" forwarding, but I 
haven't grasped how this works with zebedee, if it is indeed possible.)

All of this is happening between two mac os X systems, and the 
conference uses ohphoneX.

Could anyone help me on how to get zebedee to work tunnel connections 
both ways? If that's not possible, does anyone know of a way to combine 
it with ssh so that in the end I would be able to forward udp ports 
both ways?

Thank you for any help,

Matt



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