cordless business phone systems are specially designed systems that link the internal phone system of a company to the public telephone network. It gives individuals the flexibility to move freely around the office without the fear of missing a call. cordless business phone systems include cordless handsets, interconnectivity and other facilities such as voice mail, call forwarding and caller ID.

Generally, cordless business phone systems are used in small business establishments and home offices. cordless business phone systems are available mainly in three different kinds - key systems, private branch exchange (PBX) systems, and KSU-less phone systems. cordless key telephone system uses a central control device, known as key system unit (KSU), allowing users to make calls to another in-office extension. Thus, these systems are ideal for organizations with less than 50 employees. But nowadays, most cordless business phone systems come without KSU (Key Service Unit).

cordless PBX business phone systems are ideal for small offices. These business phone systems usually come with a base unit and cordless handsets. Some cordless PBX business phone systems also have auto-attendant and voicemail facilities. KSU-less cordless business phone systems are perfect for home offices. It is very easy to install and to shift from one location to another.

In all these types of cordless business phone systems, the addition of new extensions to the existing systems is very easy. Thus, cordless business phone systems enable us to put multiple phones in all the rooms of an office.

Prices of cordless business phone systems are considerably high, and vary depending on the type of the system. On an average, the cost of cordless business phone systems range from $800 to $1,500. The number of channels, transmission frequency, security features and other facilities determine the price of cordless business phone systems.

Panasonic, Toshiba, Nortel, Vodavi, Samsung, TalkSwitch, Nitsuko, motorola, Atmel, Philips, and Meijer are some of the leading brands in cordless business phone systems. All the leading models can be availed from any of the local superstores or online stores. Online stores provide endless options of cordless business phone systems, when compared with some of the local stores.

xbox 360, once the great gaming console which won over the other gaming hands down is now facing a serious problem called "red ring of death". It is also called "three red lights error". There are many technical causes for the occurrence of the red ring of death, but the top three causes are

1) overheating,

2) Problems in GPU,

3) Problems in powerbrick.

Let us discuss about these issues below.

The number one cause for red ring of death as said above is the overall overheating of the console. Xbox 360 is nothing different from high end gaming pc, and the only difference is that all the components are tightly packed into a small space. Hence this makes the xbox overheat more often and rapidly than your pc, causing many errors including red ring of death. So,now lets see about the second cause.

GPU- General Processing Unit and its associated chips are the second cause for our problems. When the GPU and other chips inside xbox 360 becomes overheated, they are simply programmed to shut down resulting in a "screen freeze". But, when you restart the xbox, everything seems to be fine. Have ya experienced it?? If you have and wondered about it, then the above problem is the reason. But,when it happens more often, it will eventually lead to red rings of death -our most dreaded problem. sound similar to the frequent head ache with xbox? okie, lets move on to the next cause...

Powerbrick is the other name of the box containing the transformer, essential for supplying power to xbox. Naturally powerbrick gets very hot and there is a fan inside to flush all the heat produced, away from the powerbrick. But, some people keep this powerbrick inside a closed chamber or some place where there is not much of air circulation and thus causes the powerbrick to overheat beyond its capacity, which will have its effect on the xbox, leading to frequent overheating and shut downs of the xbox, then eventually to red ring of death error. So, what do you think is the best possible prevention method, if you have not guessed yet, then read on...

As, you could have seen, most of the problems of xbox is caused by "overheating". The possible way to avoid the red ring of death and other errors is to keep the xbox and the powerbrick in a more airy place. Keep it in a place where air can flush out from all four sides of the xbox and powerbrick. Take your xbox outside of that closed display cabinet, at least when you play and till it cools down. Thus we have discussed about preventive ways and causes for the red ring of death.