There's got to be a way... I think zttool shows a red alarm on an X100P when there's no phone line plugged into it (and I would guess when there's no voltage on the line.) My guess is that it gets the info from /proc/zap-something-or-other, but I'm just guessing.
Jared On Tue, 2003-07-08 at 11:12, Jon Pounder wrote: > At 05:18 PM 7/8/2003 +0100, you wrote: > >Hi- > > > >Its not clear from your msg whether you want to detect the open-circuit > >condition of the T1/E1 directly or on one of the analog circuits connected > >on the other side of the channel bank. > > the t1 circuit is fine and the channel bank did not alarm during the > problem (it does have a form c alarm contact) > > What I am asking is if anyone knows offhand if the alarm state can be > triggered on the fxo/fxs ports by reprogramming, or if it only applies to > the t1. OR is there any way with rbs to detect a line that lost loop power > ? OR is there a way to have asterisk check every few minutes when a line is > not in use that it can raise a dialtone ? if not then have some other > process get triggered. > > > >If directly on the E1/T1, I imagine that asterisk can detect the condition > >of the "alarm" signals for the circuit - these are separate from the > >signalling supervision bits like on/off hook. I'm new to asterisk, so don't > >know how to read those alarm indicators in the software, but the ones you > >are probably interested in are: "Red Alarm" - means loss of signal (I think > >a cut line would cause this), "Yellow alarm" - means far end detected an > >error, and "BPV" - bi-polar violation, means degraded signal (usually). > > > >Hope this helps. > > > >regards > > > >Scott M. Stingel > >Emerging Voice Technology Inc. > > > >Email: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > >URL: www.evtmedia.com <http://www.evtmedia.com> > > > > > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] On Behalf Of > > > Jon Pounder > > > Sent: Tuesday, July 08, 2003 4:29 PM > > > To: [EMAIL PROTECTED] > > > Subject: [Asterisk-Users] line battery check > > > > > > > > > I know in the x100p hardware the driver can sense whether > > > there is battery > > > voltage on the line or not. Is this possible in the zap > > > drivers using t1/e1 > > > interfaces ? > > > > > > I believe the signalling bits are only ring and hook, not > > > loop presence, so > > > not sure if it is possible. > > > > > > I had a situation last night where a main cable was cut in > > > the area and > > > lines were down overnight. My burglar alarm knew right away > > > there was no > > > line battery and started beeping. Data T1 down was a > > > no-brainer for the > > > monitoring software to detect. Now I am looking for a way to > > > detect loop > > > loss on the voice lines - any ideas how to accomplish with asterisk ? > > > > > > I have a zhone bank - anyone know offhand if I can program > > > loop loss on a > > > port to put it into an alarm state ? At least then I would > > > have a contact > > > closure I could monitor easily. > > > > > > _______________________________________________ > > > Asterisk-Users mailing list > > > [EMAIL PROTECTED] > > > http://lists.digium.com/mailman/listinfo/asterisk-users > > > > > > > > > > > > > >_______________________________________________ > >Asterisk-Users mailing list > >[EMAIL PROTECTED] > >http://lists.digium.com/mailman/listinfo/asterisk-users > > > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users