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- Path: sparky!uunet!dtix!darwin.sura.net!spool.mu.edu!agate!doc.ic.ac.uk!pipex!ibmpcug!jshark!joe
- From: joe@jshark.inet-uk.co.uk (Joe Sharkey)
- Newsgroups: comp.dcom.isdn
- Subject: Re: ISDN international tariffs
- Message-ID: <BzKv7n.G82@jshark.inet-uk.co.uk>
- Date: 20 Dec 92 21:47:46 GMT
- References: <724643806.AA00663@cswamp.apana.org.au> <1992Dec19.214534.3982@cbnewsd.cb.att.com>
- Organization: Independent Network (UK)
- Lines: 40
-
- In article <1992Dec19.214534.3982@cbnewsd.cb.att.com> varney@cbnewsd.cb.att.com (Al Varney) writes:
- >In article <724643806.AA00663@cswamp.apana.org.au> Arthur@cswamp.apana.org.au (Arthur Marsh) writes:
- >>From Australia, a voice call to the USA which is encoded by 64
- >>kbps PCM costs about A$1.12/minute off peak. An 64 kbps single
- >>ISDN B channel call to the USA using costs A$1 flagfall plus
- >>A$3.15 per minute.
-
- These look to be comparable to UK to USA. (US$3.00/min, peak)
-
- >>With a good modem, one can get about 1500 cps on one of these 64
- > 1500 cps in one direction...
-
- In *two* directions!
-
- >>With one 64 kbps ISDN B channel,
- >>presumably 7500 cps throughput is possible, a five-fold increase
- >>at nearly 3 times the per-minute cost plus a big flagfall.
- >
- > 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.
-
- >>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? ;)
-
- >data service. In the USA, even 56 kbps requires either dedicated MF
- ^^^^^^^^^^^^
- qv.
-
- >Al Varney
-
- joe.
- --
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