Voice Over Internet Protocol (VOIP)
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Voice Over Internet Protocol (VOIP) is a way of calling someone using the internet as the communication channel. You use a headset or a normal phone that is connected to the computer. You could also just use a plug in microphone and have the computer speakers to hear the other person. You use programs such as Skype to do this. It is very easy to set up as all you will need is a program and equipment to allow you to speak and hear.
Advantages of this will be that it can be cheaper than using a mobile or landline to call other mobiles and landlines. In some cases it can be free of charge, such as with Skype if you call someone else and you are both using Skype on your computers. This can be very useful for people wanting to call people in other counties e.g. America or Australia. But some disadvantages will be because you are using the internet, you could be subject to a bad connection or be disconnected from the internet altogether, thus loosing connection from your call or the call being poor quality.
Advantages of this will be that it can be cheaper than using a mobile or landline to call other mobiles and landlines. In some cases it can be free of charge, such as with Skype if you call someone else and you are both using Skype on your computers. This can be very useful for people wanting to call people in other counties e.g. America or Australia. But some disadvantages will be because you are using the internet, you could be subject to a bad connection or be disconnected from the internet altogether, thus loosing connection from your call or the call being poor quality.
Skype
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