As I remember, there were a couple of ways to do that anyway - without using various tones ...
Neil ---- Original Message ---- From: [EMAIL PROTECTED] To: [email protected] Subject: RE: [Repeater-Builder] telco and ctcss tones Date: Mon, 24 Apr 2006 21:59:41 -0000 >If you go back far enough, you might find someone who's heard >of the book "Notes on the Network", which described all the >signaling standards. If you ever tried to find the book, it >was quashed by the phone companies because it told hackers or >freakers how to fool the "Bell System" > >The phone company denied the book ever existed... I just smiled >with my hand on a copy in my book case. Now it's just a part >of history... > >Neil, you forgot to mention "Quiet Tone". > >cheers, >skipp > > >> [EMAIL PROTECTED] wrote: >> >> Hi, I believe the term Multi-Frequency was used to describe the >> early AT&T inter office toll dialing scheme. >> >> The tones used were not the tones you hear on your telephone - >> but another completely different group. >> >> If I dig around here far enough, I may still have the >> information. >> >> Mike, WA6ILQ, may be able to detail this better than I or, >> perhaps, a retired AT&T or Western Electric systems engineer. >> >> Neil - WA6KLA >> >> >> >> ---- Original Message ---- >> From: [EMAIL PROTECTED] >> To: [email protected] >> Subject: Re: [Repeater-Builder] A couple of questions about hard >line >> Date: Mon, 24 Apr 2006 14:08:09 -0700 >> >> >And Touch Tone (tm) is a registered trademark of AT&T. Everyone >else >> >has to use DTMF or MF depending on which side of the planet you >are >> >on. >> > >> >On 4/24/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: >> >> >> >> Of course !! >> >> >> >> CG = Channel Guard - General Electric >> >> >> >> PL = Private Line - Motorola >> >> >> >> QC = Quiet Channel - RCA >> >> >> >> All are commonly referred to by CTCSS >> >> >> >> Neil - WA6KLA >> >> >> > >> > > > > > > > > >Yahoo! Groups Links > > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
