Re: (PM) PRI ordering

Dick St.Peters (stpeters@NetHeaven.com)
Mon, 9 Feb 1998 14:39:32 -0500

Jon Lewis writes:
> Assuming this can be done, what is the BellSouthese for ordering a PRI
> that does the following:
>
> 1) has 1 number people can call for ISDN/56k/analog in a hunt group
> covering say 15 B channels, as well as additional B channels in other
> PRI's in the future.
>
> 2) has several other numbers people can dial for dedicated links...i.e.
> reserve some B channels accessible from "non-published" numbers so
> dedicated link customers are guaranteed no busy signals.
>
> My reps aren't sure if such a thing is possible, but they think it will
> cost extra if it is.

This is definitely possible, because I have it. I wouldn't know
BellSouthese or BellAtlanticese for it though; I got it from a telco
where I get to speak directly to people who do switch programming.

I have this on PRIs from a 5ESS (PM3 switch type ATT-5ESS).

To tie a couple of threads together: PRI B channels are not tied to
specific ports, but PRIs are tied to banks of ports. My dedicated
line clients come in on PRI #2, on specific B channels, and they
always get the next unused port in the S24-S46 bank. With isdn debug
on I can see them come in on the B channel the telco says they're
supposed to.

What I don't know and am curious about is whether B channels are tied
to specific DS0s - i.e., if a PRI is vacant and gets a call on B
channel 20, does that mean the call is on DS0 timeslot #20?

--
Dick St.Peters, stpeters@NetHeaven.com 
Gatekeeper, NetHeaven, Saratoga Springs, NY, 1-800-910-6671 (voice)
Saratoga/Albany/Amsterdam/BlueMountain/Cobleskill/Greenwich/
GlensFalls/LakePlacid/NorthCreek/Plattsburgh/...
	  First Internet service based in the 518 area code
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