I have written a shell script to create custom node names to replace the announcing of nodes by their node number to the "callsign" configured for each node on the system. Its 2 parts. First uses a php script to download all the AllStar Node data and saves as txt file called nodenames.

I save mine as 'getnodes.php'. The code can be found here: http://pastebin.com/cSCuAZnS

After this runs, I run the second script:
I save mine as 'nodenames.sh'. The code can be found here: http://pastebin.com/AWtPpYjY

This script looks up the node number and finds the callsign, it then creates a .ulaw file using the letters and digits found in the AllStar systems. No TTS! It saves all the ####.ulaw files in /var/lib/asterisk/sounds/rpt/nodenames.

Now when a node connects or disconnects, its announces a callsign instead of a node number.

-- 
Marshall Dias
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Ottumwa, IA EN31ta
4SQRP #310