in reply to Newbee needs help

I would probably just avoid perl for this and run
debug isdn verbose &> output.log
Then do whatever you need to the file after it is done running.

Replies are listed 'Best First'.
Re^2: Newbee needs help
by Anonymous Monk on Sep 25, 2014 at 20:09 UTC

    The Adtran doesn't support that command. It is a VoIP router.
    Thanks
    John

      But the router runs perl? I think we need more explicit information about where you are running the perl, where you expect the output, what do you see when running the code in the original question.
        But the router runs perl?

        The OP says that this is a telnet session.