What’s the Difference Between DS3 and T3 Bandwidth?

Do not be confused about the difference between DS3 and T3 circuits. These terms are really synonymous. Instead you should focus on what they can do for you … and the best scenarios for application. Digital Signal (DS) is a system of classifying digital circuits according to the rate and format of the signal (DS)…

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Just What Is SIP And SS7…. And How Do They Work With VoIP?

Session Initiation Protocol (SIP) and Signaling System 7 (SS7) are the common protocols used for transmitting voice across networks. Just how they work with VoIP….or not….opens the door for both concerns and opportunity. Session Initiation Protocol (SIP) is a protocol developed by IETF MMUSIC Working Group and proposed standard for initiating, modifying, and terminating an…

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Purpose of Shaft Grounding Systems in Marine Engineering

Purpose of Shaft Grounding Systems in Marine Engineering It’s Science 101: Electricity and water don’t mix. That maxim is no clearer than in marine engineering, where seawater mixed with the electrical systems of a propeller can cause corrosion, loss of efficiency and system failure. To completely protect a ship it’s important to electrically ground the…

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What Are Analog Trunk Lines?

Understanding every aspect of a phone system will help you make the best decision when you are ready to purchase and install. This knowledge will help you ask the proper questions, be able to recognize exactly what your business needs in a phone system, and facilitate a smooth relationship with the phone installer you hire….

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How to Get a Cell Phone Contract With Bad Credit

As a former employee of a cell phone carrier I found that many consumers are skeptical of purchasing a cell phone due to their undesirable credit history. They often believe that prepaid is their only option but they would prefer a contract provider. Many people do not realize that even with subprime credit they may…

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A Short Introduction to iPhone

IPhone is a Smartphone designed and marketed by Apple Inc. The first generation of iPhone was unveiled on January 9, 2007 by Apple president Steve Jobs, although official sales started on June 29, 2007. The first generation of iPhone was 2G but later it upgraded to 3G from the 2nd and onward versions. All the…

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Five Guidelines For Ethical Business Communications

Do you understand what behaving ethically entails? According to Michael Josephson, there are four principles of ethical behavior: honesty, integrity, fairness, and concern for others. You can think of these four basic principles as the legs of an imaginary stool. One missing leg will create a wobbly stool, but two missing legs makes the stool…

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What is an Intercom?

An Intercom (intercommunication device) is a communication tool that allows two or more people to carry a conversation or communicate in some manner through different rooms or compartments in a structure (ie. a building, ship, airplane, etc). This communication over an electric circuit device is mostly found mounted permanently within building structures (whether business or…

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