Sunday, May 18, 2008

The Pros and Cons of Broadband Internet Phone

Most people don't know that they already have everything they need to start saving money using internet telephony, or VoIP. All you have to have is a regular telephone and high-speed internet access. That's it! If you have both of those, you are ready to start saving loads of money on local and long distance phone calls.

It is inevitable that VOIP will replace traditional telephone service at some point. The only question is when should you jump in?

VOIP is quickly becoming more reliable and receiving wider acceptance. In fact, phone companies are already taking advantage of the technology to provide cheaper long distance rates. Like any emerging technology, however, there are kinks in the system that are still being worked out.

Advantages:

Internet Phone Service has numerous advantages over traditional telephone service. The most obvious is the cost benefits. If you have a high-speed internet connection, you can make phone calls from PC-to-PC anywhere in the world for FREE! More common PC-to-Phone calls usually come with a small charge but are still much cheaper than regular phone service.

For a small monthly fee, you can sign up with a VoIP service provider and get unlimited calls within the country! International calls can also be made for a fraction of the cost of regular service.

Another advantage is its portability. You can make and receive phone calls wherever there is a broadband connection by simply signing in to your VOIP account. This makes VOIP as convenient as e-mail. When you're traveling, you simply pack a headset or Internet phone; then you can talk to family or colleagues for next to nothing.

Phone-to-phone VOIP is also portable. Internet phones are small and light enough to take anywhere. When you sign up with a VOIP service provider, the Internet phone or adaptor used by that service is assigned a unique number. This 'phone number' remains valid, even if your VOIP service is in Los Angeles and you're connected to the Internet in London. When plugged into a broadband connection, anywhere in the world, you can make and receive calls as though you were at home.

Features like call forwarding, call waiting, voicemail, caller ID and 3way-calling, are included with Internet telephone at no extra charge. While you're talking on the phone, you can send pictures and documents at the same time.

Disadvantages:

Unfortunately, there are a couple of minor drawbacks you may experience. The first is the fact that you would loose service during a power outage and the other is limited emergency calling.

Conventional phone service continues by the current supplied through the phone line during a blackout. This isn't possible with Internet phones. When the power goes, there goes VOIP service. Battery backups and power generators that provide electricity are the current solutions to this problem.

Emergency (911) calls are another concern for many potential customers as well. In the event that you need to call 911 but can't speak or have to leave, your call can be traced when dialed from a traditional phone. However, this is not the case with VoIP. Fortunately, there is currently technology being developed called 'e911' that will make this possible, so this will not be a problem for much longer.

VOIP also has sound quality and reliability problems. Data sent across the Internet usually arrives at its destination scrambled. E-mail and documents can be reassembled in the correct order when it arrives. Voice data also arrives scrambled, but it's more complicated because of the real-time nature of VOIP. Some data packets may have to be dropped when they don't arrive in time, in order to make voice connections with the least delay. This can cause brief silences in the audio stream.

Your internet connection speed and the distance of the call are the two biggest factors in the quality of the call. If you are in a high-traffic area this may also cause some loss in the quality of the conversation. Once again, technology is constantly being improved on and this is becoming less and less of an inconvenience.

While the disadvantages mentioned above currently present minor problems, it is expected that these will be corrected by the year 2008 and VoIP technology will have become the industry standard for telephone communication.

About The Author
Mark Hipp is an avid technology and amatuer radio enthusiast. He also manages several websites including:
http://www.vonage-broadband-phone-service.com
http://www.ipod-nano-store.com
http://www.goodasnewmusic.com

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Setting Up A Secure Home Wireless Network - 2 Simple Steps To Protect Your Privacy

Securing a home wireless network is a two step process. The first step is to ensure network security by securing the wireless access point or router. All of this can normally be done through the web based software interface of the device, by typing in the default address of ?92.168.0.1?

The first thing that needs to be changed is administrator username and password. Many networks are hacked into, simply because nobody bothered changing the default values. This is the same as most VCRs still blinking 12:00 because no one changed the time. Once this is done, enable MAC address filtering, and add computers based on their MAC address. This option will allow only those specified computers to connect to the network, but will not however guarantee total security.

The network SSID defines a name for the network. The default value of this should be changed to an obscure and long string. This value should be written down in a safe place and entered into the machines that are allowed to connect. Disabling the broadcast of the network SSID also provides an extra layer of security as the network will not advertise itself to outsiders.

Encryption should also be enabled. The default encryption is normally weak and can be easily broken. Normally WEP (Wireless Equivalent Privacy) is used for data encryption, however where available try and use WPA-PSK encryption. This method uses 256 bit encryption for transmitting data and the key also changes so provides a far more secure alternative to WEP.

Some routers have firewalls built in. Where available make sure that this option is enabled.

The second step of securing a home wireless network is securing each individuals PC. This can be done by installing a software firewall (this may not always be necessary if a hardware firewall is installed), antivirus software, anti-spam and pop-up blocking software. It is essential to keep this software up to date, as downloading the latest security updates for the operating system and web browser you are using.

You can manage your home network yourself if you have the time, or you can buy a home networking software that will monitor your network and alert you to any intruders or weak security measures for about $30. Whichever way you choose to do it make sure you secure your home wireless network.

About the Author

Wallace Renckers is a wireless networking fanatic who runs Home Wireless Network. Get your free wireless network software that makes setting up a home wireless network a breeze. Solve your own connectivity and security problems and leave tech support alone.

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