Since it is based on wireless technology, it is easier to carry it everywhere. Even the models available in the market are cheaper and easy to afford. A corporate office can get quite a few two way radio handsets and use them to make inter-departmental communication easier. Since they are more durable than mobile phone handsets, they are more suited to be used by police and army personnel and others who have jobs with an outdoor profile. The only specification to be kept in mind is that the frequency and the range of the walkie talkie have to be adjusted to suit the user's requirement.
When we talk about internet telephony or voice over IP services we often think that we need some sort of 'special computer device' to make phone calls. While in some cases this is actually true many applications and hardware solutions have been develop to turn this new technology around and transform it into a more user friendly solution.
Voice over IP sends sounds through the internet to its destination which is usually a phone or a computer, but currently there is a wide range of options which can be applied to this new technology. It's main advantage over conventional phone service is that voice over IP costs a lot less.
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