Date: Wed, 9 May 2001 21:06:55 -0700 From: "Ted Mittelstaedt" <tedm@toybox.placo.com> To: "Nick Rogness" <nick@rogness.net>, "Rick Duvall" <maillist@coastsight.com> Cc: <freebsd-questions@FreeBSD.ORG> Subject: RE: OT: T1 vs PRI Message-ID: <008201c0d906$a66f0a20$1401a8c0@tedm.placo.com> In-Reply-To: <Pine.BSF.4.21.0105092142200.58091-100000@cody.jharris.com>
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>-----Original Message----- >From: owner-freebsd-questions@FreeBSD.ORG >[mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Nick Rogness >Sent: Wednesday, May 09, 2001 7:51 PM >To: Rick Duvall >Cc: freebsd-questions@FreeBSD.ORG >Subject: Re: OT: T1 vs PRI > > >On Tue, 8 May 2001, Rick Duvall wrote: > >> What is the difference between T1 and PRI other than the obvious: > >> >> T1 has 24 channels, PRI has 23 > > A CT-1 (Channelized T-1) has 24 56K channels, whereas PRI's > have 23 64K channels and 1 D 16/64K (Signalling) Channel > You also can get a voice T1 provisioned B8ZS which divides it up into 24 64K channels. > >> T1 costs less than PRI > > SOmetimes....depends on tarrif's and other factors. > >> PRI can do ISDN, T1 can't... > > This is not true. You can use DOV (data-over-voice) to connect > ISDN calls into your CT-1. > If I recall right, DOV ISDN calls are 56K not 64K. This may have an advantage if your in an area that meters 64K and not DOV, but if your not in this kind of area then I don't think your going to sell much ISDN. >> >> Sprint is trying to convince me to buy a PRI instead of a T1. If I >> knew the difference, it would sure help... >> > > If PRI's are cheaper...buy all means get a PRI. As meantioned > earlier, there are quite a few added benefits to running PRI's > instead of CT-1's. However, this is way off topic for this > list. Look for more info on some ISP lists. > Not really - as I think that there's still a few people out there that would like to run terminal servers using PRI cards in a FreeBSD system. Ted Mittelstaedt tedm@toybox.placo.com Author of: The FreeBSD Corporate Networker's Guide Book website: http://www.freebsd-corp-net-guide.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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