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- From: scotth@frey.newcastle.edu.au (Scott Howard)
- Newsgroups: aus.comms
- Subject: Re: Billing Pulses, Tytel Phone
- Date: 19 Nov 1992 12:57:43 +1100
- Organization: Maths Department, University of Newcastle, Oz.
- Lines: 37
- Distribution: aus
- Message-ID: <1eesanINNlgk@frey.newcastle.edu.au>
- References: <Bxxpw5.EM3@syd.dms.CSIRO.AU>
- NNTP-Posting-Host: frey.newcastle.edu.au
-
- stuarta@syd.dms.CSIRO.AU (Stuart Andrews) writes:
-
- >We all know that public telephones do their charging in multiples of 30c
- >(Telecom Owned ones) and that the way the phone works out when to hit you for
- >more $ is a 'billing pulse' is sent every so often that the phone detects.
- >(If you get the right line, you can actually hear the pulse...)
-
- Well, at the moment they do. Very soon telecom is changing many of it
- exchanges so that calles at billed by the second, rather than in multiples
- of 25 cents, so all long distance calls will be, on average, about 12.5c
- cheaper, and your little machine, if it works on the pulses, wont work!
-
- [....]
- >Yes, you are right, I have just contradicted myself.... Do we calculate time,
- >of billing pulses...?
-
- >Question (1): Does anyone know which way my phone is *really* working
- > out my bill?
-
- >OK, now it gets even better... Given the cost of a local call, and the
- >local area code and the area code to which we are calling. The phone
- >also knows the time of day (it has a clock). The billing calculations
- >seem to be pretty accurate for peak times, but not so for Night and
- >Economy Rates... Suggests it is not using billing pulses but is
- >trying to calculate itself doesn't it...
-
- >Anybody got any clues...?
-
- Sounds a lot like the machine is actually using times to calculate the call
- cost....
-
- >Do home fones actually get billing pulses?
-
- Yes, they do, at least those using AXE exchanges do.
-
- ----
- Scott Howard. (scotth@mystra.newcastle.edu.au)
-