I will preface with the fact that most of my stuff is online and public as are the other stations I refer to here. That said… I am trying to experiment with exploring private nodes and static connections. I setup a private node  with IAX only access for my brother to call me on, it works great… Next I want to have my dad’s private number  connected all the time static to my  node. I think I understand about mapping the ip addresses in both rpt.conf files.
The first (and hopefully only) issue I am having is the rxchannel configuration. You see my first private node  is using rxchannel = USRP/127.0.0.1:34001:32001 and my public node  is using rxchannel = dahdi/pseudo. This particular server is in the cloud, so no usb audio is used.
So what should I assign to node  to avoid conflict or errors?