Telecommunications

Hacking Caller ID - What You need to Know to Avoid being a Victim

Caller ID faker apps are really easy to get and to use. Using this, high profile celebrities have been hacked, and they were not even aware of that. Are you a victim of this attack vector? If you are not sure, it is time that you learned how to keep...

The Care and Feeding of your Mobile Phone Battery

The article describes the science behind the little grey thing that pumps up your cell phone's juices, i.e the lithium-ion battery. Although they cost more than the other rechargeable batteries, Li-ions are also finding applications in the military...

Will VOIP replace Voice for Cellular Communications?

The phones we use at home were simple for a long time before the internet came into picture. With the use of internet, technology like VoIP has been introduced to change the way we talk on the phone or mobile and has the ability to completely transform...

The Four Major Layers of the Telecommunications Model

The standard telecommunications model is comprised of four telecommunication layers. Here we will look at and discuss the role and working of each component layer.

Basics of Multiplexing for Communications

Multiplexing is a technology to transfer digital or analog data in daily use devices like telephone and television. Here, we discuss the various multiplexing technologies used for data transmission.

Ensuring PBX Security

There are several methods that can be used to ensure the authenticity and safety of traffic on a PBX. Among these are firewalls, authentication, and message security and validity.

Understanding Wireless Mesh Networks - Theory of Operation and Design

Wireless Mesh Networks (WMNs) are the next big advance in Internet connectivity. The article describes the design and operation of WMNs, along with their available types and advantages.

The Longley-Rice Propagation Model and TV White Space for Ultra WiFi

This article explains the essential concepts and assumptions of the Longley-Rice propagation model, which is otherwise known as the Irregular Terrain Model (ITM).

How Internet Traffic is Routed from Place to Place

Internet traffic routing process has become quite topsy-turvy ever since it was reported that internet traffic was routed via Chinese servers on April 8, 2009, making it a bigger puzzle than ever before. So let's see how exactly online traffic is...

What is a Dark Laser?

A new type of pulsed laser has been recently developed- the dark laser. The technology is available with the aid of quantum dot diode lasers and has a great potential in the fields of telecommunications and fiber data transmission applications.