>Hi,
>
>Can someone interpret what a 'call circuit closed' means? What causes it?
Have a look at http://www.livingston.com/tech/docs/trb/termin.fm.html,
specifically,
-----------------
The telephone company dropped the digital signal level 0 (DS0) circuit that
user was on for one of the following reasons:
Remote modem in an on-hook condition
Three invalid login attempts
Sudden line termination
Remote modem turned off
------------------
Although this would imply that its the other end that caused the problem,
if you do a "reset M0" on the portmaster, the termination will be CCC. I
interpret the CCC as being x+y=total CCCs, x=fault of the pm3, y%=fault of
the remote modem. As to what ratio x is to y, is hard to say, but the Call
Circut Closed corelates VERY highly to my customers having random
disconnect problems.
Someone once on the list analyzed the ISDN chatter through this process and
said it was indeed the remote end hanging up. However, you could also
interpret this as being the PM modem code sent 'something bad' to the
remote end which then hangs up. It would be real nice if Livingston could
give a more complete explanation, but I have yet to see one :-(
---Mike
Mike Tancsa (mdtancsa@sentex.net)
Sentex Communications Corp,
Waterloo, Ontario, Canada
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