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- Newsgroups: comp.dcom.isdn
- Path: sparky!uunet!pipex!bnr.co.uk!stl!robobar!ibmpcug!jshark!joe
- From: joe@jshark.inet-uk.co.uk (Joe Sharkey)
- Subject: Re: ISDN international tariffs
- Organization: Independent Network (UK)
- Date: Tue, 22 Dec 1992 00:03:45 GMT
- Message-ID: <BzMw6A.Jzr@jshark.inet-uk.co.uk>
- References: <1992Dec19.214534.3982@cbnewsd.cb.att.com> <BzKv7n.G82@jshark.inet-uk.co.uk> <1992Dec21.143921.20121@cbfsb.cb.att.com>
- Lines: 43
-
- In article <1992Dec21.143921.20121@cbfsb.cb.att.com> deej@cbnewsf.cb.att.com (david.g.lewis) writes:
- >In article <BzKv7n.G82@jshark.inet-uk.co.uk> joe@jshark.inet-uk.co.uk (Joe Sharkey) writes:
- >>In article <1992Dec19.214534.3982@cbnewsd.cb.att.com> varney@cbnewsd.cb.att.com (Al Varney) writes:
- >>> Where is 7500 cps from??? You should get 64000 bps / 8-bits/c
- >>From the USA'a 56kb "digital" services - look at the rest of what you write.
- >1. The quotation marks on the word "digital" are somewhat inflammatory -
- >56k switched digital services are just as digital as 64k switched digital
- >services. They're not ISDN, but then, they don't claim to be.
-
- Then why mention them? (Sigh) *You* brought them in...
-
- >2. The original poster was referring to a 64kb/s B-channel. I am guessing
- >Al assumed 64kb/s end-to-end, since the original poster made no reference to
- >rate adaption to 56kb/s, and current standards state that a call with bearer
- >capability/user service information of 64kb/s UDI, no rate adaption, can be
- >cleared by the network if no 64kb/s clear channel facilities are available.
-
- Want to translate that to American? ``If I can get an end-end 64k circuit,
- then I've got an end-end 64k circuit''??
-
- >>>>Are there other costs to the telephone company involved that
- >>>>already has ISDN capable equipment that can in any way justify
- >>>>the extra cost of ISDN?
- >>No. In the UK, ISDN comes in after the codecs, so there is *no* difference.
- >>Q: Why should I pay more to use *less* of your equipment? ;)
- >
- >Because you're not using less of my equipment. Even looking solely at the
- >line interface - where your "codecs" are - there's more "equipment"
- >(hardware and software) for an ISDN interface than an analog loop. An
- >analog loop doesn't require a three-layer protocol stack to terminate the
- >loop...
-
- You're being silly! Well, maybe AT&T don't know how to design switches!
-
- >Disclaimer: It's not really my equipment, since my part of AT&T has nothing
- >to do with ISDN BRI...
-
- Claimer: I worked on these 15 years ago...
-
- --
- Joe Sharkey joe@jshark.inet-uk.co.uk ...!uunet!ibmpcug!jshark!joe
- 150 Hatfield Rd, St Albans, Herts AL1 4JA, UK Got a real domain name
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