(ASCEND) Call refusals

["Bob Applegate" <bob@vramp.net>]

Starting about a week ago, customers began complaining that they
were getting busy signals on our MAX 4048 with 7.0.22.  The Max
showed far less than a full load, sometimes as few as 10 users, but
did generate busies.

We turned on syslog logging and got errors like these...

slot 0 port 0, Call Refused [MBID 66; 8561234567->5551212] 
call 131 CL 0K   c=9 p=2
slot 0 port 0, line 1, channel 18, Far End Hung Up

Bell Atlantic seemed to think it was a line problem at first, but after
running tests for an hour they decided it wasn't anything on their end.
Last night we maxed out at 18 customers; while Bell was here, we 
were over 20 without a problem.  It seems to get worse as things
are busy (ie: evenings), then gets better when things are less busy.
Looks like a resource problem inside the Max, but we haven't
changed anything in a long time, long before this problem started.

The documentation we have doesn't list cause code 9.  That would
probably tell us a lot about the problem.  Can someone tell me what
that might mean?

We've got another 4048 at another site working fine, and a 6000
at a third site with no problem at all.  

Help!

Bob


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