Article View: comp.sys.misc
Article #917Re: Pending FCC ruling threat to modem users
From: Phil Ngai
Date: Wed, 24 Dec 1986 03:41
Date: Wed, 24 Dec 1986 03:41
31 lines
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2111 bytes
In article <4815@amdahl.UUCP> sjl@amdahl.UUCP (Steve Langdon) writes:
> The standard acronym associated with
>this technique is TASI (Time Assigned Speech Interpolation?). It was
>originally developed for use on high cost routes such as trans-Atlantic
>cables (not satellites). Given the cost of the equipment involved use
>is still restricted to this type of application.
Steve, would you care to comment on whether the availability of TAT-8
(a fiber optic trans-Atlantic cable) will affect the use of TASI? Will
the new cable reduce the cost of bandwidth enough to make the use of
TASI equipment uneconomical?
I smell a "data calls cost the phone company more" debate here. All
the situations I've seen involved Regional Bell Operating Companies
trying to eliminate unlimited local calls. For local calls,
particularly at night, which is when most users are home and on their
modem, there really is no additional cost to the RBOC. All that is
used is their local loop, which exists and is economically
non-sharable, and a piece of the switch, which has to be designed for
daytime peaks anyway.
I don't think there are any long distance carriers who care, at least,
that I have heard of. And that is where things like echo suppression
and TASI come into play.
--
If you had everything, where would you put it?
Phil Ngai +1 408 749 5720
UUCP: {ucbvax,decwrl,hplabs,allegra}!amdcad!phil
ARPA: amdcad!phil@decwrl.dec.com
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!lll-lcc!ptsfa!amdahl!amdcad!phil From: phil@amdcad.UUCP (Phil Ngai) Newsgroups: comp.sys.misc Subject: Re: Pending FCC ruling threat to modem users Message-ID: <14178@amdcad.UUCP> Date: Tue, 23-Dec-86 22:41:31 EST Article-I.D.: amdcad.14178 Posted: Tue Dec 23 22:41:31 1986 Date-Received: Wed, 24-Dec-86 05:39:24 EST References: <1575@brl-adm.ARPA> <126@dvm.UUCP> <4334@mit-eddie.MIT.EDU> <886@epiwrl.UUCP> <4815@amdahl.UUCP> Reply-To: phil@amdcad.UUCP (Phil Ngai) Organization: Advanced Micro Devices, Sunnyvale, California Lines: 31 Keywords: TASI