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These days, the demand and market for VoIP Service is growing at an exponential rate, and for good reason. Voice over IP technology has come quite a long way over even just a few years ago, and VoIP has grown up into a reliable, cost effective alternative (even replacement) for calling services.

As a disclaimer, I will say up front that most industry pros still recommend having one POTS line (i.e. traditional land line) as a backup for emergencies (911.) To clarify, this is not to imply inadequacy of VoIP 911 directory services, since they have vastly improved in the recent past, and are federally mandated. The recommendation to keep a land line is more about having a back-up alternative for 911.

Sounds almost like a contradiction to our statement above ("...reliable alternative") but it really isn't. If you think about it, there are many reasons that an interruption in power could occur more easily, while land lines are more likely to remain in service, electric storms being one example. And, along with the practical implications of keeping an inexpensive land line along side of your VoIP service, it also makes strategic financial sense. The reason is, the cost of a basic local access line, in addition to your VoIP service bill, still represents a considerable savings over the cost of traditional calling plans. The bulk of those savings are realized in the low cost of toll and international calling with VoIP.

Let VoIP save you Money

Probably the greatest attraction to VoIP for the consumer is in the potential cost savings. Many VoIP providers are offering unlimited local and long distance calling for as low as $19.99 a month. On top of that, with VoIP service, toll service charges are eliminated, and International calls are significantly lower on average than with traditional telephony. Common estimates of yearly savings range from $350 to $500 annually.

Say Goodbye to Hidden Charges

Everyone knows the frustration of combing through your phone bill and seeing charges associated with acronyms you've never heard of, and wondering what exactly you're paying for and why your phone bill is always a few dollars (or more) higher per month than the package you signed up for. With VoIP, that all goes away.

Free VoIP Features are Standard

This is another big reason why people love VoIP. You get many standard features with a typical VoIP plan that would prove cost prohibitive with your traditional phone company. Things like call waiting, 3 way calling, and even voicemail are completely free and standard with voip. I recall a couple of years ago paying $29 a month JUST for digital voicemail feature on my land line, in addition to the monthly service charges, tolls, long distance, etc.

Freedom and Flexibility

Since a pre-requisite for VoIP is broadband internet connection, there are a few benefits built into your decision to integrate VoIP service into your home. Namely, you'll most likely be using a multi port router, which allows you to place more computers and devices on your home's network.

And ideally, you would opt for a wireless router, which gives you the greatest flexibility of all. Besides providing broadband access to multiple computers without the headaches of hard-wire connections, you will also have options for using SoftPhone VoIP service on multiple devices such as your PC and laptop, and your VoIP phone. Another perk is that with a wireless router, you can configure other devices to function wirelessly on your network (like the printer in the basement connected to laptop in the livingroom.)

Speaking of VoIP phones, many of those are inherently more flexible by design. For example, you can buy a VoIP phone system that includes a "base station" handset with speakerphone, keyboard, etc. and additional wireless handsets with independent docking/charging stations. This is a great way to supply multiple rooms within your home with wireless phones that are built to be totally "feature friendly" i.e. to accommodate the many and varied VoIP features commonly available, as mentioned above. This even includes "Videophone" in some cases, which is real time video transmission that is delivered via broadband and uses the same software/protocols as VoIP phone service.

Summing it Up with VoIP

VoIP is a valid (if not revolutionary) telecommunications technology that is well supported and standardized within a now-exploding industry. It may soon completely replace POTS (plain old telephone service) calling. VoIP can definitely save you a significant amount of money, while providing ease, flexibility, and features that traditional calling couldn't touch.

Doug maintains the voip blog at 5PCom, a VoIP Service provider offering exceptional quality, savings, and pricing for Residential and Small Business VoIP services.

the computers in general are known to everybody, so rather than sticking to the other known factors or parts of the computer let us today put our efforts on something unknown parts of the computer. A discussion and introduction to the memory controller will help you further more to proceed on the computers. So let us today discuss what the memory controllers are.

The task that the memory controllers perform in a computer is of immense importance. These are a kind a chip that is placed on the motherboard or in the CPU. The function of these memory controllers is to manage the data flow which comes in and goes out from the memory. Also these are very good for increasing the potentiality and performance of the system, stores the memory very well and safely by designing to carry newer technologies in memory.

The placement of the memory controller in the computers varies based on the model of the computer. Some PCs are designed to place it in the north bridge of the motherboard while some others have it on the CPU die. Those systems, which are designed to carry the memory controller in the mother board posses a different kind of physical socket and also the RAM used in these motherboard are of new designs

The main purposes of using the memory controller in the computer are to read and write the changes in the RAM and also to refresh it. This is done by the controller by sending current. Without entering much to the technical terms, it can in fact be said that the memory controller is really essential for running and securing the RAM successfully.

The memory controllers are of different types which can be named as the Double Data Rate, the Fully Buffered and the Dual Channel. The functions of these memory controllers are more or less different from each other. For instance, the Double Data Rate memory controllers are used to transfer the data depending on the rising and falling rate of the memory clock. Whereas in the Dual- channel memory, two memory controllers are used parallel to each other. This allows the PC to build up more channels, but in spite of it there is one difficulty that because of the heap of wires used, these can not be counted. This problem leads to complexity in adding new channels.

The Fully buffered memory controllers on the other hand are different from the other memory controllers. Here a serial data link is used to connect the motherboard and not like the earlier patterns of RAM. An advantage of this type of Fully buffered memory controller is that it decreases the number of wires used in the motherboard and makes use of this expense in the time consumed for this procedure.

Thus we can see that the memory controllers are very essential computer parts and are of several types used for several purposes. The prices of these memory cards ranges from very low to very high which depends on the type and functions provided by these.