I actually maintain 9-1-1 systems for a living. True, "WRLS" or Phase 1 has to be triangulated by cell towers and can narrow a caller down within a few football fields, which is ok in rural areas, worthless in urban areas, and there are still tons of "WRLS" out there. "WPH2", or Phase 2 can get you within a city block, which is better in both rural and urban areas, but leaves a lot to be desired. There are no regulations stipulating Phase 3, or what is referred to as Next Gen that can in theory narrow you down to about 10 feet and do video as they can and do in Europe. First and foremost, there are a ton of rural PSAPs (Public Safety Access Points), or 9-1-1 centers across America that can't even do Phase 2 wireless, and there are no federal laws stipulating that they have to. Laws regulating 9-1-1 calls differ from state to state. In a lot of cases, instead of giving the proper ANI (Automatic Number Identifier)...telephone number of the cell phone, the PANI (Pseudo Automatic Number Identifier) of the cell tower shows up on the 9-1-1 dispatcher screen with an improper ALI (Automatic Location Identification)...physical address, which is often the physical location of the cell tower that the 9-1-1 call is bouncing off of, and its highly possible to be in one county while your cell phone is using the services of a cell tower in another county, and the PANI of the cell tower can't be called back because although cell towers pass cell calls, they don't answer or receive them. Happens all of the time.
VOIP phones are much worse. You know how in theory you can unplug your VOIP phone from your home and take it with you on vacation, wherever that may be, plug it into the network (computer) jack at your hotel, or wherever and get your phone calls? Yes Sir, you sure can because when you plug your VOIP set in, it races across the internet to register with your provider. Try dialing 9-1-1 sometime while doing so. The 9-1-1 call will register back to your residence because that's where your billing records are from. So while you're lying on the floor having a heart attack in a hotel in one state, your local PSAP of the state that you live in gets your 9-1-1 call. It happens. I've pulled the 9-1-1 call records for PSAPs because the family of the dead guy in Florida filed a FOIA (Freedom Of Information Act) request in hopes of filing a wrongful death lawsuit because the fire department in his home state about six states over didn't respond properly to his 9-1-1 call from his vacation hotel room. It gets even better than that. For some reasons, VOIP telephone service companies aren't held to the same standards as local operating telephone companies (the land line guys). True, they are getting better, but many of them still don't provide ALI to the PSAPs, and don't even route their calls over 9-1-1 (CAMA) trunks to provide ALI. Some of them that I can name, but won't here simply route emergency (9-1-1) calls to the main number of local police departments that may have a receptionist (possibly automated attendant) that may or may not even have Called ID to see an ANI, but certainly no ALI, and that receptionist desk may be manned from 8:00 AM until 5:00 PM Monday through Friday, but not from 5:00 PM to 8:00 AM Monday through Friday, or at all on weekends or holidays. It happens.
Cell phones or VOIP service required to be as accurate as land lines are currently? From someone that maintains 9-1-1 PSAPs, closer in some cases, but not even close in many more.
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Today's Featured Article - Choosin, Mounting and Using a Bush Hog Type Mower - by Francis Robinson. Looking around at my new neighbors, most of whom are city raised and have recently acquired their first mini-farms of five to fifteen acres and also from reading questions ask at various discussion sites on the web it is frighteningly apparent that a great many guys (and a few gals) are learning by trial and error and mostly error how to use a very dangerous piece of farm equipment. It is also very apparent that these folks are getting a lot of very poor and often very dangerous advice fro
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