Posts Tagged ‘Pstn’

Voice Over IP (VoIP) Phone Systems

March 21st, 2010



With business firms searching for alternative ways to reduce their costs in business communications, the technology called VoIP (Voice over Internet Protocol) can be highly beneficial, both economically and functionally for small, medium and large business firms alike. The Voice over IP (VoIP) phone systems work the same way as a regular Public Switched Telephone Network (PSTN), but differs in the fact that here the medium of the internet is used as the backbone for signal transmission.

One of the key advantages of the hosted VoIP PBX system is that all the services of a regular phone system such as caller ID, voicemail and conferencing are all available at much reduced costs. Here in VoIP, both the voice and data transmissions are incorporated within the same system and hence telephone communication and digital data transfers can be done almost simultaneously along the same medium, with no high costs involved for the process.

The Voice over Internet protocol phone systems are highly versatile in their operations. The system can help companies to stay connected with their employees by setting up live Ethernet ports around their company. Companies can also connect all their global offices together with these IP telephony systems and thus save huge amounts in all long distance calls made to their offshore offices in remote locations.

For companies, Voice over IP (VoIP) phone systems can also be set up using their existing computers by using headsets and installing telephone dialer softwares. Here the headset acts as the handset of your office phone and the dialer software can emulate the functions of a regular IP Phone system. This arrangement is helpful for traveling business persons as they can easily convert their laptops into a dedicated Internet protocol phone system to keep in touch with their clients, irrespective of their location. The only external requirement is to have a high speed internet connection for the communication to take place.

Today, a number of Voice over IP service providers are offering their services in a customized manner with packages suitable to varying client requirements. For starters in business, hosted PBX phone systems are also available. These systems can save huge amounts for clients as they do not require business firms to buy and maintain in-house equipments. In hosted Voice over IP systems, all the necessary equipments for the service will be hosted by the provider of the VoIP. Thus whatever hosted PBX IP phone systems are chosen, they are sure to prove highly beneficial for companies in the long run.

By: Alen Smith J

VOIP – The Disadvantages

March 14th, 2010



Public Switched Telephone Network or PSTN is currently aside away as the regular phone that now is being replaced by the new technology of VoIP, voice over internet protocol, where making a phone call over the internet broadband access. The revolutionary of this technology is very good, but there is also some disadvantages or barriers that come along this existence. Major flaws in VoIP are on its reliability. Therefore, we can say that the disadvantages of VoIP are on its reliability, its accessibility.

VoIP is a voice over internet protocol. By using internet connection means the use of this technology is dependant to the wall power. Normally, when the power goes down or low, we still can make a phone call over the regular phone. But this is not happen in VoIP. If there is no power, here means internet connection, we can make a phone call over VoIP. Therefore, using VoIP technology, beside internet connection, we should also have to have a stable power. In regular phone, we can integrate our home secure such as digital video recorders; digital subscription TV series also home security systems over the regular phone by connect it with the phone line. If we are using VoIP, this could not be happen. VoIP can not integrate with these products. However there are some related companies who are going to work on it, but it is still taking sometimes.

Emergency call of 911 also is the challenge of VoIP. With regular phone, we can call anytime 911 operators, but it could not happen with VoIP. In VoIP, we are using the internet protocol access that is not associated with the geographical location. Therefore we can not make a phone call to the 911 operator if we are having an emergency condition, because VoIP using internet connection and computer, it will be very susceptible to worms and other viruses.

By: Dita Nadia

VOIP – Cheap and Unlimited Phone

February 17th, 2010



If you have a good connection and access of Internet, then you can make a digital quality of a cheap, and sometimes free, phone with unlimited access. Introducing VoIP, a voice transmission over Internet access technology that is brings you an unlimited call. To start making and using this technology is very easy. All you need to have is a computer with Internet access and a headset or microphone. With those tools only, you can start to make the unlimited call with VoIP. Using this technology, you will save more cost for phone and calling, also you are taking the advantage of Internet telephony revolution today.

The VoIP technology is able to transmitting the voice to all over the world. However, the telecommunication providers in the world are sometimes not able to transmitted voice over the world wide, but certain countries only. But, there are several providers that are able to transmit your voice. It is an unlimited technology, but it will cost you with certain value of fare or cost. Having an unlimited calls, and even unlimited international calls, with lower cost and sometimes free is very attractive. But the question is what VoIP is? VoIP is a voice over Internet protocol. A technology that is able to transmitted voice over the internet connection. The technology of VoIP is carrying the digital radio signals, therefore people using the speech data compression techniques to reduce the data rate.

This technology also can be adapted by using the public switched telephone networks, or also known as PSTN. Even though it will cost some, but the connection between VoIP to PSTN is also perform good access. The demand of telecommunication today is very high. Therefore, add your own knowledge and be experienced with the technology of VoIP.

By: Dita Nadia