Change port on Ambe Server

Marco Della Cagna

i try to change port on my AMBEServer running on Compass Linux under Rasp PI, so in the directory /etc/opendv i change the file ambeserver-ttyUSB0.conf 
The problem is that every time i reboot the server the port is again 2460 and not the number i edit.
Obviously I'm editing as root and with nano editor and before changing the port, i stop the server.
What i wrong ? How can i fix the problem ?
Thank you and 73
Marco - IK6IOQ

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