nanog mailing list archives

Re: Inter-CO signaling?


From: Dan Hollis <goemon () sasami anime net>
Date: Thu, 10 Sep 1998 14:22:11 -0700 (PDT)

On Thu, 10 Sep 1998, Jared Mauch wrote:
      someone here in our office was saying you can extract this out
of the modem after and during the call.  Consult your modem manual
for specific directions, but I think they said it was at&v1

ATY11. USR modems only.

This gives a frequency response chart from which one can deduce whether
there are multiple A-D conversions in the line. I dont know if you can get
anything else from them though.

-Dan



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