Ascend Archive
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Re: (ASCEND) Max TNT - No 56K ISDN
At 10:18 AM 11/17/97 -0800, Christopher Beaumont wrote:
>I've worked on this problem for a while, both with and without Ascend.
>It has been confirmed by testing with a Max4002 that the Max TNT CAN NOT
take a 56K ISDN
>call in the following environment.
^^^^^^^^^^^^^^^^^^^^^
Very relevant, as we have MANY TNTs that do support 56K over ISDN just fine!
>Local telco has not fully deployed 64K ISDN in our area. Our PRI's
> are out of a DMS-100. While they can accept 64K ISDN calls, 56K shows
high CRCs and never
>authenticates. A Max 4000 was sent to test the same PRI and can
sucessfully connect both 56K
>and 64K calls.
PLEASE note that this is due to the calls being delivered to the TNT as 56K
UNRESTRICTED data
calls - which is quite uncommon - and why we don't see this on too many TNTs.
[Yes, this is a TNT bug - just never seen it before this due to the rarity
of this
kind of configuration - TR# is :2818].
I'm pretty sure that Telco can change this to 56K restricted....hope they
know how
to! (As a workaround in the meantime).
Kevin
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