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The Telecom Digest for February 12, 2011
Volume 30 : Issue 39 : "text" Format
Messages in this Issue:
Re: Telephone humor on TV and Touch Tone calling (Wes Leatherock) Re: Telephone humor on TV (Robert Bonomi)
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Date: Fri, 11 Feb 2011 07:44:37 -0800 (PST) From: Wes Leatherock <firstname.lastname@example.org> To: email@example.com. Subject: Re: Telephone humor on TV and Touch Tone calling Message-ID: <firstname.lastname@example.org> --- On Thu, 2/10/11, Sam Spade <email@example.com> wrote: > > Indeed, with SxS and XBAR the entire office was either "on" > or "off" for DTMF. With ESS it could be by line, but > here in California at least, Pacific Bell elected to turn > the entire office "on" in ESS offices, because of liability > issues of denying origination service in an emergency. SxS had no native DTMF mode. To provide Touch-Tone in a SxS office required a translator that listened for DTMF and DP and translated DTMF to DP. Often only certain line finder groups would be equipped with such translators because they had to monitor every call to see if their services were needed. The translation equipment was pretty expensive. This also meant some customers had to have their numbers changed to get Touch-Tone. The situation would be different in Southern California, which was originally all SxS and with growth in the population and network routing requirments had to have senders in each office to route outgoing calls. Those were equipped with translation equipment for all calls, and adding DTMF was not that big a deal. Wes Leatherock firstname.lastname@example.org email@example.com
Date: Fri, 11 Feb 2011 02:31:09 -0600 From: firstname.lastname@example.org (Robert Bonomi) To: email@example.com. Subject: Re: Telephone humor on TV Message-ID: <r_SdnV75O7RQbsnQnZ2dnUVZ_hednZ2d@posted.nuvoxcommunications> In article <firstname.lastname@example.org>, John Levine <email@example.com> wrote: >>*In real life that would be impossible since Touch Tone signals >>consist of two tones, deliberately designed that way so that accident >>tones wouldn't disrupt making a call. Now if two people whistled >>their correct portions of the desired tone. . . > >Where's my Cap'n Crunch whistle when I need it? I think you stored it in the blue box. grin MORE than once, during a phone call, I whistled at something the person on the other end said, and the phone system hung up the call. D*mn that 2600 Hz disconnect tone. I had several friends that could manually whistle at a Bell 103 modem well enough send specific characters. There was also one guy who could whistle up a Bell 212 modem well enough to have it hear one particular string of characters -- nothing meaningful, but absolutely consistent. ***** Moderator's Note ***** I recall my first trouble report on an SF-supervised trunk. I was talking to a guy in Atlanta, and I said "let's see if it responds to 2600 ...". He immediately yelled "Don't put in on the spea... ", and he was gone. Bill Horne Moderator
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End of The Telecom Digest (2 messages)