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Cisco CCNA/CCNP Home Lab Setup: How To Configure Reverse Telnet
Occasionally, during your CCNA and CCNP studies, you'll run into a term that just doesn't quite make sense to you. (Okay, more than occasionally!) One such term is "reverse telnet". As a Cisco certification candidate, you know that telnet is simply...
Google - The Next Step In IM
As Google keeps on expanding, it was only a matter of time before they entered the IM arena.
Although there have been several rumours regarding the acquisition of Jabber by Google, it is now more likely that they will acquire Meetro from...
Is Your Computer Slow and Sluggish? Take These Steps To Speed It Up!
Does your computer run as quickly and efficiently as it did when you first got it? Chances are, if you’re like a lot of other folks out there, probably not. So what, if anything, can be done about it? Well, I’ve got some good news for you. Many...
Microsoft Great Plains implementation & tailoring – local versus remote support
Microsoft Business Solutions Great Plains has been leading ERP solution in the US for over 10 years, starting with Great Plains Dynamics, then Dynamics C/S+, later on moved to Microsoft SQL Server 6.5. Then at the end of 20th century Great...
The Dark Side of P2P File Sharing
P2P file sharing programs are free. Period. But there are P2P scam sites out there that want you to pay them instead. P2P scam sites are rogue companies that have set up shop to fleece unsuspecting music downloaders looking for file sharing...
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VoIP A Global Telecommunications Revolution
It's being advertised as the biggest thing to hit the telecommunications market since the invention of the cellular telephone, but what is VOIP, how does it work and is it really that revolutionary?
VOIP is an acronym for Voice Over Internet Protocol, and it works by using your broadband internet connection to route your call more efficiently and cost effectively than conventional calling. The most common VOIP method works like this. Your standard telephone is connected to VOIP gateway, usually located somewhere in your house like a basement or utility closet. This gateway takes your voice and converts it from an analog signal to a digital signal. Once it exists in digital format it is broken down into smaller more manageable units known as "packets" and is transmitted over the internet the same way data is transmitted to and from your computer. These "packets" contain information about their final destination and have instructions to enable them to be put back together in the proper order. Once the packets reach the closest location to their desired destination they go back through another VOIP gateway which translates the signal back into an analog format. The gateway then passes the signal over to a PTSN (Public Telephone Switch Network) and your call is routed to the number that you
dialed.
As people become more familiar and comfortable with VOIP calling newer and more advanced methods of communication will occur. In the very early stages of adoption are IP Based telephones. Instead of using standard telephone equipment with an RJ45 telephone connection to a VOIP Gateway these phone interfaces directly with the internet through a standard network connection. This enable you to use your phone at home unplug it when you leave and then plug it in at your office and your calls are automatically routed to the phone wherever it's plugged in. As WIFI networking becomes more prevalent expect to see wifi compatible cellular phones emerge to make calling even more portable.
While VOIP is still in the early stages of adoption there are still some hurdles that need to be overcome. The most important ones include emergency calling, and the need for uninterruptible power sources. However as VOIP and other IP based telephony continues to grow and advance, VOIP service providers will find ways to solve these problems.
© Copyright VOIPTelephoneSystem.org, All Rights Reserved. About the Author
Jessica Liu is a staff writer at http://www.voiptelephonesystem.org a news and information website about VOIP and VOIP related technologies.
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