Advantages and Disadvantages of Prepaid Cell Phones

We are constantly seeing advertisements on TV promoting cell phones and cell phones carriers with what they call great introductory offers if you sign up with them on their network. Is it worthwhile signing a one-year contract with a cell phone carrier? Well that is a question that you need to answer for yourself, while…

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The Telephone – A Brief History

During the 1870’s, two well known inventors both independently designed devices that could transmit sound along electrical cables. Those inventors were Alexander Graham Bell and Elisha Gray. Both devices were registered at the patent office within hours of each other. There followed a bitter legal battle over the invention of the telephone, which Bell subsequently…

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What is a PABX and How Does it Work?

The acronym PABX stands for Private Automatic Branch Exchange, which is basically just another term for a telephone system, also known as a switchboard. These units are usually used as an internal telephone system in offices. PABX systems will often have a lot of internal lines connecting to one main switchboard. The reason that the…

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SMS and MMS Integration With VoIP Communications

There are a great number of people even in developing countries who have, in one way or another, experienced using SMS or Short Message System using mobile phones. In fact, when people hear the word SMS or Text message, most would readily associate the term with mobile phones. An extended standard in messaging called MMS…

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Telephone Systems – An Overview On Operating Principle

A Telephone system is a communication instrument that transmits any voice / sound signals to far by locations by converting these sound signals in waves and receives and reconverts the same waves into sound signals/ voice. The telephone network is extended universally so if you want to talk to someone, you simply need to pick…

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Role of an Attendance Monitoring System

We all are quite familiar about Attendance monitoring systems that are used by schools and colleges these days for an easy management. These systems are day by day gaining more and more popularity just because they help in reducing manual work. Apart from that it helps in a systematic functioning of the institution. An educational…

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How to Track a Cell Phone?

Have you ever wondered how to track a cell phone? Perhaps you worry that someone may be tracking your mobile. With the advancements and large strides in cellular technology, we already know we are being tracked. Obviously a mobile phone company knows exactly where you are at all times. Well, at least they know where…

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