(ASCEND) ISDN User Profile... Built-In v. RADIUS : 2nd channel problems

["K.R. Lewis" <randy@rtmx.net>]

Hello Ascend user's group,

I have posted this request in the past, but no real luck.
I am re-posting, and re-stating the question in the hopes that someone
out there has seen & conquered this problem.


The Main Question:

How do I (exactly) define a User Profile in RADIUS (not built-in) to
assure that an ISDN dial-up user can get a 2nd channel when bandwidth
requirements reach some defined levels?

Before you answer, here are some facts:

1. A textbook style 'built-in' Connection / Answer profile for the user
   works EXACTLY as expected.  That is, the connection is made on one
   of the B Channels, the MAX4048 offers it's dial-in phone # to the
   ISDN peer for a 2nd call, and then a short while later (because I
   blow lots of data through the 1st channel), it happily brings up the
   2nd channel - boosting the connection to a full 128Kbs.Just like it's 
   supposed to work!

   In fact, the 2nd channel comes and goes, based on bandwidth demands
   for the duration of the call from the user.   Fine, OK, can't go
   and put 1100+ Connection profile internal to a MAX4048, so, RADIUS...

2. Using a RADIUS Auth. profile (there are 1100+ users in this database),
   we cannot get the 2nd channel to come up.  Using a Call/Protocol
   monitor tool on the user PC, we observe that the User's terminal
   adapter (just like the example above) is trying to request a 2nd 
   channel, but the MAX4048 simply ignores the request.

In both scenarios, we are using the the same bandwidth utilization
values for the MAX4048 and the ISDN adapter on the user's machine.

Things to ponder:

Is there some 'combination' of default, static parameters and the
individual RADIUS profile-per-user that is to be used?

Is ther some built-in value/flag/option that must be turned on/off
before this can possibly work with RADIUS?

Surely someone out there has seen this and can tell me the secret?

Thanks, again, in advance...

Randy Lewis, RTMX
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