Interesting. -----Original Message----- From: ddots-l-bounce@xxxxxxxxxxxxx [mailto:ddots-l-bounce@xxxxxxxxxxxxx] On Behalf Of Chris Smart Sent: Thursday, September 29, 2011 7:08 PM To: ddots-l@xxxxxxxxxxxxx Subject: [ddots-l] Re: Frequencies Of Telephone Tones old phone phreak articles from the days of analog phone switching would give you info as well, since people used to build little boxes to generate these tones and others. For example, the touch tones on your consumer phone were not the same as those used by long distance operators to place or redirect calls. One frequency, 2600 HZ, was infamous and useful enough to become the name of the leading hacker magazine for years. At 07:58 PM 9/29/2011, you wrote: >That's right. Some are one single frequency, while others are two, and >sometimes even four frequencies. PLEASE READ THIS FOOTER AT LEAST ONCE! To leave the list, click on the immediately following link: ddots-l-request@xxxxxxxxxxxxx?subject=unsubscribe If this link doesn't work then send a message to: ddots-l-request@xxxxxxxxxxxxx and in the Subject line type unsubscribe For other list commands such as vacation mode, click on the immediately following link: ddots-l-request@xxxxxxxxxxxxx?subject=faq or send a message, to ddots-l-request@xxxxxxxxxxxxx and in the Subject line type faq ----- No virus found in this message. Checked by AVG - www.avg.com Version: 10.0.1410 / Virus Database: 1520/3926 - Release Date: 09/29/11 ----- No virus found in this message. Checked by AVG - www.avg.com Version: 10.0.1410 / Virus Database: 1520/3926 - Release Date: 09/29/11 PLEASE READ THIS FOOTER AT LEAST ONCE! To leave the list, click on the immediately following link: ddots-l-request@xxxxxxxxxxxxx?subject=unsubscribe If this link doesn't work then send a message to: ddots-l-request@xxxxxxxxxxxxx and in the Subject line type unsubscribe For other list commands such as vacation mode, click on the immediately following link: ddots-l-request@xxxxxxxxxxxxx?subject=faq or send a message, to ddots-l-request@xxxxxxxxxxxxx and in the Subject line type faq