Re: A Dummy question about PM3s

Marty Likier (marty@livingston.com)
Fri, 11 Apr 1997 08:03:47 -0700

At 09:47 AM 4/11/97 -0500, Jeff T. Carneal wrote:
>On Fri, 11 Apr 1997, Matthew S. Crocker wrote:
>
>I'm a bit confused by this description. Maybe someone with a PM3 can
>clear it up as I don't have one.
>
>> A PRI gives you 23 digital data paths which can be used for either 64k B
>> channel ISDN calls or analog modems (see below). They are completely
>> interchangable but they can't do both at the same time.
>
>Is this saying that if I had one PRI, that I couldn't do both analog and
>ISDN calls off it assuming I have digital modems?

Correct.

>> two Channelized T1's into it for 48 digital modems, or one T1 and one PRI
>> for 47 digital modems and/or 23 ISDN B channels, *OR* 2 PRI for 46 digital
>> modesm and/or 46 ISDN B channels.
>
>Your "and/or" is also a bit confusing. Basically, my question is as I
>asked above. Can each PRI handle both ISDN or analog calls by determining
>the call type during call setup, or does one have to configure this PRI
>only for analog, and this one only for ISDN, etc...?

PRI signaling can tell the PM3 get ready and data (ISDN) call is coming or
a voice (modem or ISDN data-over-voice) call is coming. The PM3 figures out
the rest. So no configuration is necessary.

--
Marty Likier
Product Marketing Mgr.
marty@livingston.com