I was thinking I would watch the FOP again to see whether the zap line stays active. Good idea with the cell phone. Not great if we can't pay the bill though.
Thanks for the details on the line drop. Peter M. > On Thursday 19 October 2006 14:57, [EMAIL PROTECTED] wrote: > > Interesting, thanks. That's more than our Aliant rep was able to tell us. > > He thinks that supervised disconnect is not available on home phone lines. > > He does think it available on business lines though. I'll have to go to > > someone's house where there's high speed and give this a shot again. > > High speed's not needed... and if you are at home, simply call your house > with your cell, enjoy a pleasant conversation and hang up the cell.... > > ... and wait... > > you should hear your landline go absolutely *dead* for about 3/4 of a second > before you hear dialtone again. You can confirm this with a multimeter > across tip+ring. > > There are two CPD methods I have seen: battery reversal and battery drop. > Battery reversal, as the name implies, reverses the voltage on the line for a > moment before restoring it to normal (-ve) polarity and presenting you with > dialtone. Battery drop simply disconnects the battery for a moment. I > believe that the FXO modules from Digium and Sangoma can detect both using > the "kewlstart" variant of FXS signaling. > > The Carrier Access Access Bank I and II do *not* detect CPD. The Adit600, > however, does. the ABI/II are great for FXS deployments ... cheap as hell, > and I've even written a patch for Zaptel that lets you use the much cheaper > and useless-for-practically-everything-else TR08 signaling format. > > -A. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
