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Will Your Cell Phone Reach 911 in an Emergency?
by: Sandra Landwehr

If you're one of the millions of cell phone users who count on their wireless phone for emergency 911 calling........

You might want to think again.

Unfortunately, there's no guarantee that your 911 call will be routed to an emergency call center. Much less, the emergency dispatcher will have the ability to pinpoint the call's location.

Why?

Part of the problem is lack of service. Often, in more rural areas, your cell phone has fewer towers available to receive reception. And, many of those towers are designed for analog calls - not digital.

But, since the FCC does not require it, fewer carriers offer analog service -- or the ability to connect to it.

Not surprising, since much of the carriers' revenue is dependant on features available only on digital networks.

Another problem?

There is no uniform Ehanced 911 system (E911) for wireless carriers. The FCC neglected to force the carriers to conform their E911 systems to a single technology.

Because of this, there are now two incompatable E911 systems in the works.

Nextel, Sprint and Verizon each have cell phones available that use the Global Positioning System (GPS) to find a caller's location. While Cingular and T-Mobile rely on a triangulation system.

Unfortunately, both E911 systems have their flaws. The GPS system needs a minimum of three satalites to be able to "read" the handset's location. Accuracy can be hampered by heavy vegetation, mountains or tall buildings.

The triangulation system also has its shortcomings, because it relies on the strength and timing of cell towers to determine a location. It, too, requires multiple towers for accuracy. This becomes more difficult in rural areas where towers are scarce.

To compound the problem, Emergency Call Centers are not equipt with the technology needed to field E911 calls. Most smaller centers lack the funding for the sophisticated equiptment, while others lack the knowledge on how to integrate it to their existing system.

According to a 2004 article in the San Diego Union Tribune, only about 12% of the country's 911 centers had the ability to pinpoint the location of wireless phone users emergency calls.

Which cell phone is best?

Dual band, or tri-band phones, allow both analog and digital frequencies. If a 911 call does not connect in a digital mode, the alternate analog network is available.

The FCC also requires that any carrier offering multi-frequency phones must allow the 911 call to roam to another service, if the call can not be completed on their own network.

Currently, only Cingular and Verizon offer dual or tri-bands for both their service and handsets. Sprint PCS and T-Mobile wireless phones operate on a digital band, but allow analog roaming.

Nextel uses its own iDEN network, which has limited roaming ability.

About The Author

Sandra Landwehr is the webmaster of www.the-cell-phone-advisor.com, a wireless consumer site offering REAL HELP in finding your best cellular phone service, and free cell phone offer.

This article was posted on October 29, 2005

 


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 Choosing a Cell Phone
 by: Telefon Wirles

Considering the innumerable varieties of cell phones in the market, it is quite a challenging task to choose the best one. However, the basic criterion of selecting the best cell phone is to be absolutely clear about what your needs are. The best cellular phone is the one that is absolutely right for you. And, of course, you can only have the best cellular phone when you pay for what you want.

Tons of offers are also available. There are free cellular telephone offers, prepaid cellular, digital, mobile, web enabled and many more. No one can tell you which cell phone is best for you because every one has different needs when it comes to their cellular telephone. Some people want absolutely basic features while others want a lot of totally fantastic features. Some need a cellular telephone for e-mail, faxing and surfing the Internet. Many people want it to be top of the line while others prefer simplicity.

The process of buying a cell phone is so confusing. There are simply so many different handsets, networks, deals and call costs to consider that buying the right phone for your usage and budget can be very difficult.

Here are a few tips to help you choose the best cell phone. First of all, decide how much you want to spend and be clear on the features you need. Remember that the more the features, the higher the cost.

Purchase a battery with a decent battery life and judge the mobile phone by the talk time it gives. The bare minimum should be 2 hours of maximum talk-time plus 90 hours of maximum standby time.

Shop and compare for pricing and service. These days, quality phones are very cheap. There is a proliferation of cell phone makers including Nokia, Motorola, Ericson, Siemens, Samsung, Sony, etc. More importantly, cellular plans have come down enormously in overall price with some caveats.

Some standard features include caller ID, phone book with fast dial, call waiting, voice mail and auto-answering. Some also have other added features like your first incoming minute free. The high-end cell phones will have voice-a ctivated dialing, SMS, 2-way paging, games, scheduling calendars, digital organizer and all the standard features. The main thing is to see what fits into your life style best and also to be sure when and if the features expire.

While making a cell phone and service plan decision, remember that everybody's needs are different. So what's good for your friend may not be the best choice for you. Your best bet would be to search online for websites with good cell phone comparisons in order to get a quality cell phone offer.

To make sure that your cell phone comparisons are complete look at Nokia cell phones, Ericsson cell phones, Sprint cell phones, Motorola cell phones and Samsung cell phones. Research the different free cell phone offers, prepaid cell phones and service plans from brand names like AT

 

 

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