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16. Configuring the user_call programs.
The `user_call' programs are really called: ax25_call and netrom_call. They are very simple programs designed to be called from ax25d to automate network connections to remote hosts. They may of course be called from a number of other places such as shell scripts or other daemons such as the node program.
They are like a very simple call program. They don't do any meddling with the data at all, so the end of line handling you'll have to worry about yourself.
Let's start with an example of how you might use them. Imagine you have a small network at home and that you have one linux machine acting as your Linux radio gateway and another machine, lets say a BPQ node connected to it via an ethernet connection.
Normally if you wanted radio users to be able to connect to the BPQ node they would either have to digipeat through your linux node, or connect to the node program on your linux node and then connect from it. The ax25_call program can simplify this if it is called from the ax25d program.
Imagine the BPQ node has the callsign
An entry in the
would enable users to connect direct to `
There are all sorts of other possible configurations that you might try. The `netrom_call' and `rose_call' utilities work in similar ways. One amateur has used this utility to make connections to a remote BBS easier. Normally the users would have to manually enter a long connection string to make the call so he created an entry that made the BBS appear as though it were on the local network by having his ax25d proxy the connection to the remote machine.
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