Re: (PM) Package A or package B (Pac Bell)

David Sovereen (support@tm.net)
Thu, 28 May 1998 13:00:46 -0400

>Package A: 23 B + 1 D == PRI. You get 23 64k channels. This preferred
> as you can do true 64k ISDN over PRI.
>
>Package B: 24 B + inband signalling == Channelized T1. You get 24 56k
> channels, ( you loose 8 bits per channel for the signalling ). You can
> only do 56k Data Over Voice ISDN. Also the general consensus is that
> this gives slightly slower connect speeds than PRI. Make sure this is
> Trunkside, not Lineside CT1.
>
>The good news is PM3's can work with both. :) Most PM3 users seem to
>prefer PRI, ( I know I do! ) but if there is a cost difference that is
>something to take into consideration.

Incorrect. He said both of the above are PRI, not one PRI and one CT-1.
The second option (B) is a PRI without signalling, not a CT-1. That will
NOT work with the PM-3 until Lucent support non-facilities-based PRI service
(currently in beta). His only option for PRI is option A.

Dave

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