Article View: sci.electronics
Article #673Re: How can I restrict outgoing phone calls?
From: Rusty Carruth
Date: Mon, 19 Jun 1989 18:15
Date: Mon, 19 Jun 1989 18:15
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1601 bytes
In article <3237@kitty.UUCP> larry@kitty.UUCP (Larry Lippman) writes:
....
-> Enforcement of DTMF service availability was performed solely in
->the central office, and was accomplished as follows:
->
->1. In the comparatively few SxS CO's which were converted to DTMF
-> ...., only DTMF customers were assigned to linefinder
-> groups so equipped.
->
->2. In #1 and #5 Xbar CO's the DTMF class of service was effected by
-> assigning DTMF customers to only certain line link frames ...
->
->3. In ESS CO's, from day one, DTMF availability was always a parameter
-> specification for every subscriber line, and the denial of service
-> was therefore accomplished in software.
->
-><> Larry Lippman @ Recognition Research Corp. - Uniquex Corp. - Viatran Corp
Hi, Larry. My only question is why then do some people have DTMF
access who never asked nor paid for it? Software bug? :-)
----------
Rusty Carruth UUCP:{uunet,boulder}!cadnetix!rusty DOMAIN: rusty@cadnetix.com
Daisy/Cadnetix Corp. (303) 444-8075\ 5775 Flatiron Pkwy. \ Boulder, Co 80301
Radio: N7IKQ 'home': P.O.B. 461 \ Lafayette, CO 80026
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!cadnetix.COM!cadnetix!rusty From: rusty@cadnetix.COM (Rusty Carruth) Newsgroups: sci.electronics Subject: Re: How can I restrict outgoing phone calls? Message-ID: <8522@cadnetix.COM> Date: 19 Jun 89 18:15:18 GMT References: <43afec9f.16321@apollo.COM> <25535@agate.BERKELEY.EDU> <3237@kitty.UUCP> Sender: news@cadnetix.COM Reply-To: rusty@cadnetix.COM (Rusty Carruth) Organization: Cadnetix Corp., Boulder, CO Lines: 27