A never ending journey of inventions and scientific research to add luxuries and comforts to the life of humans has taken us to the modern world of internet and fast communication. Today we use internet for communication, learning and even for fun. Internet is a part of our lives now.
VOIP (voice over internet protocol) is a voice communication technology that is getting popular day by day due to low rates and better compatibility with modern technology. For a layman VOIP; is telephony on internet. For experts it is digital telephony on the basis of IP. Today computers, laptops, notebooks, i-phones and wi-fi enabled mobile phones are common. These devices are connected to each other with internet and hence they are able to communicate. In past we used telephones for voice communication; which used a large wired network to provide the service. Now that service could be enjoyed with much more options and flavors without wired network; using VOIP.
After installation of a wide telephone network almost around the world; efforts were made to enhance data communication over the networks which gave birth to internet but now studies and analysis are being carried out to make low cost and secure voice communication possible on the internet.
I am sure most of the people would have experienced voice communication using Msn, Yahoo or Skype. They provide the voice communication service on the basis of VOIP.
Though the quality of service is not that good as compared to wired network but the issues; like bandwidth utilization, compatibility, environmental stakes and cost make VOIP an optimum choice.
Some other attractive features provided to the users by VOIP are call barring, call holding, call forwarding, call recording, music on hold, voice mail and much more.
Now someone can say that most of the above mentioned services are also being provided by the old telephone networks these days then why to talk about VOIP? The answer is that old analog networks have converted to digital setups and therefore they are able to provide these services. Though call rates have been decreased as they were in the past but still voice communication is insecure and call costs on circuit switched networks are higher than calls conducted via secure packet switched network; the internet or in technical terms via VOIP.
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