Path: 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

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
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