Re: (ASCEND) ISDN over 24 Channel T1

["Dennis Duval" <skipmax@seacove.net>]

>
> Since a T1 (not PRI) does not deliver any Bearer Service information on
> incoming calls, neither the TNT nor the Portmaster gets any help from the
> telco in determining whether the call is analog or ISDN (this is one
reason
> why PRI makes life simpler).  The normal ways to determine whether the
> call should be directed to a modem or an hdlc processor are (no doubt
> there are other ways I'm not thinking of just now):
>
> 1) By DNIS - give analog customers one number to call, and digital
> customers another one, then discriminate based on which number was
> called.  This is often the simplest and best method.
>

I'm having a tough time understanding this type of setup and I'm not finding
any documentation on the subject.  All the documentation seems to be geared
towards PRI instead of non-PRI.  If anyone has any links to documentation on
this subject, I will be glad to read it and hopefully stop asking so many
dumb questions here.

Here are the points I'm having trouble with:

1.  Does the new phone number need to have any special type of signaling?

2.  Assuming that the nature (digital or analog) of the incoming call is
determined only by the number that is being called, what settings in the Max
need to be changed to accommodate this.

3.  Do any of the channels have to be dedicated to ISDN? Can I leave all of
my channels directed to Slot 3 as they are now?

Thanks for the help.

Dennis Duval




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