by R. K. Bloom

Advantages and disadvantages of VOIP

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Although VOIP and large, it is important to understand the advantages and disadvantages before you begin to invest money into it.

When it comes to Web applications, it is very high hopes for the voice protocol (Voice Over IP – VOIP). VOIP allows businesses and consumers will save enormous amounts of money on your phone through your phone calls over the Internet. But in spite of all the advantages of this technology, it also has its drawbacks. Before blindly invest in a phone system, VOIP, it is important to understand the advantages and disadvantages of VOIP.

There are so many advantages to using VOIP, that I hardly know where to begin. But one of the biggest advantages of using VOIP is to reduce costs. At present there are a large variety of VOIP systems, and specifically your savings will depend on the system in which you invest. Some VOIP systems can only make calls to other people who are also using VOIP, while the other VOIP systems can call anyone who has a phone. Normally, calls from PC to PC VOIP free, but, you will need to take into account the initial cost of the software and a possible fee. Calls from PC to the phone are usually more expensive than calls from PC to PC, but still they are two times cheaper than calls from phone to phone. Most service providers VOIP, that support calls from PC to phone charge a small monthly fee for unlimited calls within the United States (United States). Very small premium is taken for international calls (international calls). Learn more about voip service providers in india.

As you can see, the cost of VOIP service really depends on your service provider (service provider). The same can be said about the possibilities by dialing (calling features). Most service providers include features such as call forwarding (call forwarding), call waiting, call (call waiting), and three-way communication within the VOIP service.

Some VOIP services connected to the computer, which means that you speak into the microphone, which is connected to the computer. Environment VOIP, computer-related tend to be highly compatible. Not so unusual for systems VOIP, computer-related, to be able to transmit video in addition to voice, so you can not only hear, but also see the person you are talking to. Systems VOIP, often associated with the computer also allows you to open data and application sharing for the person with whom you communicate, making it easier to work together on a project. Of course, there is no reason why these joint sessions should be limited to two people. Most VOIP systems related to computer support conference calls.

However, not all VOIP systems require the use of a computer. Some systems simply use a digital VOIP phone or VOIP adapter that can be used with a traditional telephone. There are several advantages to using VOIP phone, compared with applications VOIP, computer-related. Probably the biggest advantage – is simplicity. VOIP to VOIP phone call is usually no more complicated than a normal call of your intentions.

Another advantage – portability. VOIP phone has a built-in address that is unique to your phone. This means that in most cases you can take your VOIP phone with you and use anywhere where there is access to the Internet broadcast.

But you do not need portability for VOIP phone. Some providers VOIP services offer to use Web interface. This interface allows users to make and receive calls from anywhere around the world, as long as the available connection to the Internet broadcast. This can be a great advantage if some of your employees travel frequently and they often make calls on the go. This service is not as convenient as a cell phone, but usually a whole lot cheaper and works in foreign countries in which a cell phone may not work.

While VOIP technology and gorgeous, it has a few major flaws that you should consider before you begin to invest money in it. The biggest drawback VOIP – is the sound quality (sound quality). But do not get me wrong, with good throughput and good equipment can achieve excellent quality of sound from the VOIP system. But given the conditions of the real world, there is no guarantee that the sound quality is satisfactory.

There are several different reasons that affect the quality of the sound. The first reason depends on the manner in which the working VOIP. As I mentioned earlier, VOIP stands for Voice Over IP (Voice over IP). To understand how this can be a problem, think about how the IP network is to transmit data. When you need to send a file over the network IP from point A to point B, then the file is divided into a series of packets. Packets are transmitted sequentially, but because of the distributed nature of the Internet, packets can arrive at the destination out of order. Usually, this is not a problem because the recipient can use the serial number of the packet, and then reassemble the data in order.

VOIP converts voice into digital data, which are often placed in packets and sent over the Internet. As is the case with other types of data, the packets may arrive out of order at the time of receipt. VOIP recipient system can re-build packages in accordance with the sequence of the sender. However, the real-time nature of voice-means that if the packets do not abide by the order, the result may be one or two seconds of silence, during which there is ordering information.

As you can see, the problem with the delay can cause big problems in VOIP systems. Data must be transmitted to the recipient quickly enough to be able to organize before, a considerable delay in the conversation. Because this problem can also cause insufficient capacity, producers VOIP systems have been forced to take several steps to reduce bandwidth requirements. More specifically, the bandwidth requirements (bandwidth) have been reduced by the use of different compression algorithms (compression algorithms). However, these compressors are themselves a cause some problems.

One problem – it is compatible. When it comes to calls from PC to PC VOIP, there is no universal standard. Some VOIP systems are proprietary in nature, and allow only calls only to those who use similar software.

Another problem with compression is that the compression (and decompression) consumes more CPU resources. In addition, data compression leads to a further reduction in sound quality. Some compression algorithms also lead to problems with echoes. Echo can be filtered, but this again requires additional CPU resources. Compression and filtering of data is more a problem for VOIP, computer-related, than with VOIP phone. VOIP phones produce the necessary compression and filtering in hardware. The advantage of this approach is that you do not need to think about the computing power of your VOIP phone, but it means that the VOIP phone can be much more expensive than regular phone.

Along with a variety of problems with the sound quality, there are some practical issues to consider. For example, if you use a VOIP system connected to a computer, you must remember that you will not be able to make and receive calls as long as your computer is not turned on and running VOIP software.

Another practical problem is that, unlike a regular phone, VOIP system (no matter what) is absolutely useless in the event of a power outage. Normal phone can operate even in the event of a power failure, because telephone company transmits electricity through telephone lines. This electricity is used to power the phone (cordless phones are an exception.) Thus, even if the cut off electricity, phone still works, because the electricity is supplied from another source.

However, VOIP works completely differently. VOIP phone (or VOIP system connected to a computer) requires an external power source. In addition, VOIP system also requires access to the Internet. Therefore, if the power blackouts, or if your Internet connection is cut off, then VOIP will not work.