The use or operation of phones is known as telephony. Lots of services over the web is called internet telephony.The services include transmission of video fax and voice. There are many names of internet telephony such as broadband telephony, Ip telephony, VoIP which stands for voice over internet protocol and VoBB that means voice over broadband.This names differ depending on the service of each.
There are various ways in which internet telephony can be used. The hardware and software needs vary.It is a must to have an internet connection always while using internet telephony. From pc to pc internet telephony is used whereby users communicate with their computers in diverse ways like Yahoo messenger, AOL instant messenger and skype. For instant messaging, there is also textbook.All these services are usually free of charge. One other way in which internet telephony is used is the pc to phone. This is whereby calls are made from computers to mobile phone between persons. This service is charged.This is very convenient as you can make calls to any part of the world. Fax transmission is sent to a physical machine through pc to fax. It is vital to note that through internet telephony not all fax information is faxed.You can also use internet telephony from phone to phone. Internet telephony use has its gains and drawbacks. Here are the merits and disadvantages.
An advantage of internet telephony is the low cost. Use of internet telephony is cheap because most of its services are free and those that charge the fee is affordable. Through the internet telephony you can also watch and transmit videos making it easy for persons to watch all their favorite movies online. One other advantage of internet telephony is that it is transferable.You only need a laptop or a phone and an internet connection to use it anywhere say a restaurant library or an airport.
Internet telephony is also good as it has many free features such as call waiting, call forwarding and caller id unlike the traditional phone line that charges.However internet telephony has some disadvantages such as the use of electricity. Use of power is a must with internet telephony. Connections are lost when there is no electricity. This is unlike traditional phones that operate without or with electricity. When using internet telephony 911 services are not easy to get as your call might not show you location. Because the VoIP company 911 is not able to trace your location. Another small disadvantage is the sound quality because the sound is not clear.
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