Friday, April 11, 2008

How to Unlock a Cell Phone

What is a SIM and what is cell phone unlocking?

Regular cell phone service providers use a serial number in your phone (ESN #) that is used by the cell phone provider to identify who you are. The wireless service provider 'identifies' that a particular phone's serial number is your cell phone and knows to send cellular calls to that phone when someone dials your phone number.

A GSM cell phone is not directly linked to you. Instead, it has a account card that can be removed , called a SIM card (subscriber information module card) and this SIM card has a serial number on it. This is what identifies you to the cellular provider.

The big difference about this is that you can put your SIM card into any compatible cell phone (mostly all modern GSM cell phones are compatible with the newer SIMs) and that phone will now act as your phone, because the cell phone service company sees your unique id or SIM inside it. It doesn't care that you've changed cell phones, it only cares is where to find your unique id # or SIM.

And now for the bet part, in theory, you can put any SIM in any cell phone, the opposite is also true. Any phone can work with any SIM card. So, if you've already bought an expensive cell phone that you like and know how to use well, if you change from one GSM cellular company to another, you won't have to change cell phones. You can keep the phone you like, and all you need to do is replace the first company's SIM with your new phone service provider's SIM.

But, some cellular providers 'lock' their cell phones, basicaly, their phones have been programmed to work with SIMs only on their network. Reversing that programming - unlocking your phone so it can work with any SIM - is what this article is all about. See how to unlock your phone in the full article from Travelinsider.>>>>

Sunday, February 17, 2008

Packet 8 VoIP Internet Phone Service

The Packet 8 Product
Packet8 internet phone service offered by Packet 8 is quite similar to that offered by Vonage. But, the differences are important and make a positive difference to the overall service.
Packet 8 uses a different type of voice processing interface box. Installing the Packet 8 box was as simple as installing the Vonage box, however. There were simple three step instructions included - plug in the power supply, plug in the network cable, and plug in the phone! What could be easier than that.
It came with all the cables and connectors and the power supply is an international multi-voltage one.
The different interface box does has two big differences, however :
The first difference is that the Packet 8 interface box has a light on it that lights up when there is voicemail waiting for you. This is nicer than Vonage.
Packet 8 Uses Less Bandwidth
The second difference is the more important. It seems that the Packet 8 service uses up less of your internet connection's bandwidth than does the Vonage service. Packet8 say that the phone uses about 17kb of bandwidth upstream and downstream, and suggest not using it on lines slower than 64kb for best quality. Vonage recommends a minimum line speed of 128kb.
This means that it will work better than the higher bandwidth consuming Vonage product when used with slower speed internet connections - yes, there are even instructions on how to use it over a dialup internet connection, but for most people, it makes little sense to use your phone line to dial to the internet, and then connect up the Packet 8 internet phone service, so as to then make phone calls!
If you are considering adding VOIP phones to your business, the lower bandwidth can be important, meaning you can get more 'phone lines' to fit into less internet bandwidth. And if you're in a country that charges you for data usage, the lower bandwidth reduces the data costs of using the VOIP service.
The lower bandwidth does not seem to have any noticeable difference on the quality of the phone call.
Making and Receiving Calls
Making a call is exactly the same as with any other telephone, and exactly the same as with Vonage. Pick up the handset. Dial the number.
Receiving calls is also the same. The phone will ring, same as a normal phone. You can connect a caller ID unit to the phone and it will show the number of the person calling you. Pick up the phone and start talking.
The service also offers call waiting, call forwarding, voicemail and other features. But it does not - yet - allow fax messages to be sent over its line (unlike Vonage), however they promise an enhanced fax service that will be released in the first quarter of 2004.
Voicemail messages can be received from your phone, or can be sent as files to your email, in a manner very similar to Vonage VOIP.
Quality
The quality of the Packet 8 internet phone service is as good as - and perhaps even better than - regular phone service, and definitely much better than cell phone service.
I have called a wide range of different phone numbers around the world, and never had any problems, said the Travel insider.
Furthermore, They have taken the unit with them to Russia and used it from Moscow to place calls to Britain and the U.S., and have enjoyed the same quality connections from Moscow as from here in Seattle. And a colleague now has a Packet 8 phone in London and is using it for international calling all around the world, also with no problems.
Reliability
They had no problems with thier phone whatsoever.
Thier colleague in London reports that sometimes, when he is making international calls from his Packet 8 phone, he can't get through to the number at the other end. He doesn't know if this is a Packet 8 problem or a normal phone line problem or what, but he does feel it is happening more commonly with the Packet 8 phone than with a regular phone.
They haven't experienced the same problems when calling from Seattle or Moscow, so it is probably not something related directly to Packet 8's service.
Costs
Packet 8 offers four different service plans. Their lowest price plan has no monthly fee - you pay only 8c per minute of calling. Their $19.99 a month 'Freedom Unlimited' plan offers unlimited calling anywhere in Canada and the US for only $19.99/month.
They also have two business plans that are considerably more expensive - $60 and $130 a month, with either 4,000 or 10,000 minutes included.
If you're able to take advantage of their $20 unlimited usage service, then the cost is much less than the competing Vonage product as well as, of course, much less than regular telephone and long distance service. But if you're forced to register as a business user, then probably the Vonage products become better value.
The Vonage advantage for businesses grows even stronger if you're signing up for a second line. Vonage have discounted rates for multiple business lines, Packet 8 does not.
The good news is that, unless you're going to be using vast amounts of time each month that clearly establishes you as a business rather than as a private individual, you can probably register at the residential rates. Most international calls are charged at 5c a minute or less.
UPDATE : Only one week after Travel insider wrote this, Packet 8 brought out two new plans. They allow for unlimited international calls, either to most of Europe, or to much of Asia, for a flat fee of $30 a month. If you make a lot of calling, these packages can be very appealing.
Unlike regular phone service, you don't find yourself paying massive surcharges in taxes to your local city and state and federal government. Just a single 3% federal tax and nothing else.
Service
Packet 8 internet phone service provides 24/7 customer support by phone which is convenient and helpful.
Some Clever 'Tricks' with Packet 8
Most of the same clever tricks mentioned in the Vonage review also apply to the Packet 8 service.
The key thing about internet phone service providers (with both Vonage and Packet 8) is that your phone number no longer has any direct relationship to where in the world you are located. You can have your phone working anywhere in the world where there is a broadband internet connection, and you can choose any area code you like from within the US.
Another feature of Packet 8 internet phone service is that all calls from one Packet 8 phone to another Packet 8 phone are always free, no matter what the plan you have, and no matter where in the world each phone location is, or what the area code might be. These two things can make a big difference to the cost of your calling, and a much larger difference to people outside of the US who make lots of calls to the United States.

From the travel Insider: http://www.thetravelinsider.info/2003/1114.htm

Thursday, December 06, 2007

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Thursday, March 29, 2007

Finding an Internet Service Provider

Finding an Internet Access Provider
Your internet access provider can make you happy or sad. They can also save you time or cost you precious time. How do you make sure that you are satisfied and feel good about your internet access provider? You can ensure that you have made the correct choice for you and your family by researching and weighing the pros and cons of each service provider.Where do you start?
First, find an internet service provider that has a proven track record and good customer service ratings. Be sure that the customer service department is available 24/7. Call the customer service line to see how fast you reach a customer service representative and ask them questions to see how confidently and thoroughly they answer your questions. This will give you a pretty good idea of how the customer service department will treat you if you have a problem with their service.See what each internet access provider offers their users. How many email addresses are available for each account? Is there a limit on the number of hours you can use per month? Do they offer SPAM blocker and/or virus protection to their users? These are all valid questions that should be answered before you choose an internet access provider. This will help you to narrow down your decision between a few providers. Do they have different billing options for your convenience? Do you want the payment to come directly from your checking account or would you like to use a debit or credit card? You need to take these options into account if you have a specific payment method that you prefer.
The key to choosing the right internet access provider is research. Call and visit different internet access provider's websites to compare the features of each. Make a list of features that each internet provider offers along with their price. In this way you can compare the benefits of each side by side. The key is to make your decision using a balance of benefits and cost. A lower cost could possibly mean that you have a lousy connection speed so be sure that you get recommendations from friends, family, and rating websites. If they do not offer benefits that are needed for you and your family, then it does not matter what price it is. If it is not useful, then why have it? Make sure that your internet access provider meets your needs and wants and you are sure to find one that you will be happy with! DSL Internet Service Provider, T1 Internet Service Provider, Dial Up Internet Service Provider, Very High Speed Business Internet, DS3, OC3, Frame Relay, Point to Point, T3(source Market day, Mark Woodcock)