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Debating whether to get into Internet telephony? Do you have trouble making sense of all the related terms? Voice over Internet Protocol (VoIP) technology is being tipped as the technology that will restructure telecoms forever. Internet telephony digitises the sound of a human voice so that calls can be made via the internet. You can now make VoIP phone calls that cost a fraction of calls made through the traditional phone line. It is revolutionizing the way that people keep in contact.

However, as more often than not arises with new technologies, it is occasionally hard to make sense of what all the new technical words mean. As a consequence of this this article will try and make sense of the technical terms. So let’s get started on deciphering some of the jargon

? Bit rate: This is the speed at which data moves across the Internet. The term can also be used as a measure of the speed of an Internet connection which is often quantified in kilobits or megabits per second.

? Broadband: This is a generic term for high speed Internet over cable or ADSL

? IP: This stands for Internet Protocol It is the standard that underpins all services on the Internet.

? SIP: This stands for Session protocol for creating modifying or terminating sessions It is the Internet protocol used by most VoIP services

? Softphone: A softphone is a computer application that is used to provide telephony functions. It is often used in conjunction with a headset

Hopefully by explaining and simplifying some of the jargon that surrounds the VoIP services this article should help clarify what VoIP is about and the elements that are involved. Find the service that is right for you. Join the VoIP revolution and start enjoying cheap calls and other cool services!

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What began as a novelty application for Internet users to converse on-line has now graduated into a sophisticated and the most cost-effective technology, capable of replacing the traditional PSTN (Public Switched Telephone Network) and PBX (Private Branch Exchange) phones. That’s IP Phone for you.

The hardware requirements of a domestic user are very simple. All that an IP application requires is an ordinary PC equipped with IP software and connected to the Internet. Attach speakers and a microphone to the PC, you are all set to call any number - whether local, international or cellular - incurring only Internet expenses. If you don’t have a computer, you can use a specially manufactured IP Phone (basically a phone with a built-in adaptor) or even a regular phone supported by an IP adapter. If you want to operate even during power failure, you will need a generator or a UPS.

Software requirements are also equally simple. Popular service providers like Skype, Yahoo Messenger, Google Talk etc. provide free downloads for the computer based IP Phone. Regular updates, too, are freely downloadable. Providing software for the IP Phone/adaptor is the responsibility of the manufacturer.

More extensive hardware is required for large enterprise implementations and many involve considerable expenditure for converting the existing PBX system into IP system. Since the IP system runs on data network system instead of the regular copper circuits, LAN/WAN connections should be properly configured. Depending on the call traffic and bandwidth requirement, number and locations of IP routers and extensions are to be determined. Power back up is also compulsory for an enterprise. However, most of the hardware expenditure is one-time expenditure and proves economical in the long run because single network supports voice, data and video transfer.

As far as the software requirements are concerned firewalls and servers are to be configured to accept IP transmissions. Software needs of business enterprises differ form user to user. Therefore, software solutions for organizational users are generally custom made but for certain common features.

The cost savings in making calls through the Internet are simply monumental for a business organization with high volume long distance calls, remote branch offices and mobile workers. Traditional PBX phones come in many ranges and they require to be scrapped periodically to be replaced by new hardware which involves lot of expenditure. There is no such problem with IP Phones because this system is mainly based on software rather than hardware and, thus, easier to alter and maintain.

IP Phones provides detailed information on IP Phones, IP Phone Services, Wireless IP Phones, IP Phone Systems and more. IP Phones is affiliated with VOIP Phone System.

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The average consumer have little knowledge of free line rental products becuase of the fact they are a fairly recent development. It is probably that the fact they are a niche poduct that allows them to remain the most cost effective mobile phone contracts being sold.

In reality a 12 month free line rental cell phone contract should not cost a penny to operate. This is true only so long as the individual in question correctly makes a claim for cashback by redemption. Often this is not as simple as customers are told because mobile phone retailers put in lots of sneaky pre-requisites with the conditions of free line rental deals so as to keep down the amount of successful claimants.

A free line rental mobile contract is a form of one hundred percent cashback offer. With these deals you must pay the mobile bill as usual for the early months. Then it is your responsibility to remember to claim all of the costs of the mobile phone back from the vendor that initially gave you the mobile phone.

The major problem of free line rental contracts is that if the worst happens and the store becomes bankrupt you have now way to make your claim. 12 month free is a kind of compromise, as they are only obtainable with older phones.

Putting aside the complications of free line rental offers they are absolutely genuine and it is still possible for potential buyers to get one hundred percent cost free cellular phone for 12 months.

By far the most cost competitive place to buy a free line rental contract is on the web. As free line rental offers are something of an unusual package it is a good idea to find a good a comparison site to find the best offers at that given moment.

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The HTC Touch Dual has been surprisingly popular with the public making it a winner for HTC Considering it is an entry level handset the Touch Dual is basic but functional compared to some of the other mobile phones. As you would expect from HTC the styling of this mobile handset is good.

The HTC Touch Dual has support for 2G GSM 900 / 1800 / 1900 and 3G HSDPA 2100. This phone has a 2 MP, 1600×1200 pixels, video; secondary CIF video call camera. If you use the Internet on the move, you will be pleased to know a WAP 2.0/xHTML, HTML (PocketIE), compatible browser is included. The ring-tones enabled on the Touch Dual are Polyphonic (40 channels), MP3 as well as a vibration alert. This mobile handset is bluetooth enabled meaning it as easy as possible to integrate with devices, such as wireless headsets or a computer. Colour wise this mobile handset can only be bought in Silver. Compared to other models, the Touch Dual is small and easy to carry. At 120 g in weight the Touch Dual is slightly heavy for a mobile phone in its price bracket. The HTC Touch Dual has a battery duration of 250 hours standby time and talk time of 5:00. The HTC Touch Dual is that is shipped with a Li-Ion 1120 mAh, battery cell. Getting on to the display the phone is fitted with a 2.6 inch screen, which is a nice big display for the cost of this phone. The screen is a TFT touchscreen, 65K colors. The HTC Touch Dual is also equipped with additional features such as:

In spite of being a fairly recent model, the HTC Touch Dual faces is very stiff competition from other products. This means it is possible to get a fantastic deal on this handset. The most popular place to buy a mobile in the modern world is on the Internet. Purchasing online can lead to some big cost savings, surprisingly, it is possible to get free line rental deals , which do not cost a dime.

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