SIP VoIP - Understanding VOIP

SIP VoIP stands for Session Internet Protocol Voice-over Internet Protocol. But here's the thing, unless you are an IT expert or at least very well versed when it comes to computer and technical terms, you will surely never understand it. So, to an average person who doesn't have a degree on any computer-related study at all, how will you be able to understand what SIP VoIP is?

First of all, SIP is a technology introduced to improve the system of telephones all over the world. But in order for you to be able to enjoy this technology, you must have a provider that would give you the SIP service that you need. The process in which a normal telephone system is turned into SIP-capable is called SIP trunking. When a certain telephone system gets a SIP trunking service, it will get hitched to the internet. Yes, the same field of World Wide Web that we use to browse random stuffs.

What happens then is that instead of you relying on telephone lines and public operators to guide the route of your phone calls, you will just need to rely on the VoIP technology that routes your calls over the internet. And because you are now using the internet, your phone number will be in the form of an IP address rather than the conventional PSTN (Public Switched Telephone Network) number.

So if a SIP provided telephone system tries to contact another SIP-enabled phone system, all they have to do is connect using the other system's IP address. But what if you want to call a normal non-SIP phone number? Calling PSTN numbers is still possible for SIP systems, as all that will happen is that your IP will be adjusted to fit the PSTN number you are calling.

Then again, those are just the specifications. How can you really benefit from this SIP VoIP technology as opposed to if you use a normal telephone system? Well, first of all, we know how the internet offers a very fast connection and transfer of signals. And because all locations are equal on the internet, long distance costs may be completely eliminated. Now, do you at least get the basics of SIP VoIP?

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