Hi again, yes if you have a buzz its a good indication that the line is not up to par. You could try to find the cause by attaching your POT to the demark point after disconnecting your interior wiring. If you still get a buzzing sound then it has to be the line itself. H
----------------- Henry L. Coleman VOIP-PBX Tel: 647-723-5160 ==================================================== < Steven McCann> > Hello, > > I've checked out the cabling on my end and it's all in good shape. The grey > plastic bell boxes are all in good shape and clean on the inside aside from > a few ladybug carcasses.. When the technician was here a few weeks ago to > fix a severe humming, he had said that a line that runs from the property to > the road was damaged, and may need to be replaced if any problems came > back.. I can hear a buzzing in the lines again, although not as severe as > before, but I think I will be contacting them again to repair it once I > verify it's not on my end. > > Nonetheless I would like to put whatever safeguards I can put in place > (surge protection), and get good hardware so any problems in the line won't > leave our phone system unusable - but I guess there's some gamble in setting > up these systems in these environments as they don't have the history yet of > having to be built for more harsher conditions... > > Thanks for the feedback. > > Steven > > On Tue, Jul 22, 2008 at 1:56 PM, Henry L.Coleman <[EMAIL PROTECTED]> > wrote: > >> Hi, one of my clients has a DSL connection at his cottage in Stoney Lake. >> His SIP extension kept failing and was tracked down to the Analog line >> carrying the DSL >> This was a "no brainer" when I listened to the line on an ordinary POT. >> after breaking dial tone I could >> here all sorts of weird noises so I traced back the cable to the >> demarkation point (a small box attached >> to the outside of the house). The box officially belongs to Bell so I >> opened it anyway, the two >> connections inside showed signs of corrosion (green mold), from my old days >> I remember that this type of >> corrosion >> can emulate a resister, a diode, zener diode or a random noise generator >> depending on temperature and >> humidity. Anyway, disconnecting and thoroughly cleaning the connections and >> cable completely cured the >> problem. I would check this out before calling the phone company as their >> equipment can often miss these >> problems and might save you a 10 day wait for some one to come out to fix >> the problem. >> >> Good Luck >> >> >> >> Henry L.Coleman CEO [VoIP-PBX] >> >> >> >> < Steven McCann> >> > Yes I'm quite certain there's a problem with our lines as a technician >> has >> > had to come out and move them to different pairs.. I suppose we may have >> to >> > pull their ear to come and replace the lines. >> > >> > Unfortunately when we're using just a regular analog phone we can't >> notice a >> > problem with the lines. It's a shame that these VOIP FXO card's are not >> more >> > industrial strength yet to work in non-ideal conditions... >> > >> > Thanks, >> > Steven >> > >> > On Mon, Jul 21, 2008 at 1:47 AM, Anthony Boyington < >> > [EMAIL PROTECTED]> wrote: >> > >> >> Maybe not too helpful but I worked for a company that installed all the >> >> security systems for RBC and scotiabank, we had the same problems with >> wet >> >> lines in rural areas. Most of the lines we where replacing was DVAC and >> some >> >> where temporary dial-ups over POTS, whenever it rained we would have at >> less >> >> 80 or more offlines and most tmes it would short out the cards back at >> the >> >> monitoring station. We would have to pull which ever card was effected >> rest >> >> and put in tickets with bell. >> >> >> >> On Sun, Jul 20, 2008 at 11:38 PM, Ian Darwin <[EMAIL PROTECTED]> wrote: >> >> >> >>> Steven McCann wrote: >> >>> >> >>>> Hello, >> >>>> >> >>>> I've been working on a setup in a rural environment using a TDM400P >> card >> >>>> to >> >>>> bring in two POTS line into a VOIP system. We've found alot of >> problems >> >>>> with >> >>>> the card whenever it rains (lines go full of static and rebooting the >> >>>> server >> >>>> fixes it). We had the card replaced by Digium with a TDM410 card, but >> >>>> still >> >>>> have had the same problem. >> >>>> >> >>> >> >>> I suspect it's the Bell lines. Our rural POTS line was the same even >> >>> before Asterisk - a bit of rain and the junction box (3km away) fills >> up >> >>> with water and we get static. >> >>> >> >>> >> >>> --------------------------------------------------------------------- >> >>> To unsubscribe, e-mail: [EMAIL PROTECTED] >> >>> For additional commands, e-mail: [EMAIL PROTECTED] >> >>> >> >>> >> >> >> >> >> >> -- >> >> Regards, >> >> >> >> Anthony Boyington >> >> >> > >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
