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VoIP comes from the English Voice Over Internet Protocol, which means "voice over internet protocol". VoIP is basically a method by which taking analog audio signals of the kind you hear when you talk by phone transforms them into digital data that can be transmitted over the Internet to a specific IP address.
Why use VoIP?
VoIP allows the union of two historically separate worlds of voice transmission and data transmission. So VoIP is not a service but a technology. VoIP can turn a standard internet connection into a platform for making free Internet calls. Using some of the free VoIP software that are available online are salteándonos traditional phone companies calls, and therefore their rates.
In the past, conversations by VoIP used to be of poor quality, this was overcome by current technology and the proliferation of broadband connections, so much came the expansion of IP telephony that there is a possibility that you unknowingly and you have used a VoIP service, for example, operators of conventional telephony, VoIP services used to transmit long distance calls and thus reduce costs.
They know it will take some time but it is certain that in the near future disappear completely Linas conventional phone we use in our daily lives, technological progress indicates that these will most likely be replaced by IP telephony.
Advantages of IP Telephony, Why use VoIP?
The first and most important advantage is cost, a call using voip telephony is most much cheaper than equivalent conventional telephony cases.
This is basically because the same network for voice and data transmission is used, conventional telephony has fixed costs that IP telephony has, hence this is cheaper. Usually for a call between two IP phones is a free call, when a call from an IP phone is done on a conventional phone the cost is borne by the ip phone.
There are other advantages beyond the cost to choose IP telephony:
• With VoIP one can make a call from anywhere there is internet connectivity. Since the IP phones transmit information to Internet trabes these can be managed by your provider from wherever a connection exists. This is an advantage for people who tend to travel a lot, they can take your phone with you always have access to their IP telephony service.
• Most VOIP providers deliver features for which conventional telephony operators charge other fees. VOIP service includes:
• Caller ID.
• Call waiting service
• Call Forwarding Service
• Repeat or call
• Return Call
• Call or 3 lines (three-way calling).
• Based on Caller ID service calls advanced features also exist regarding how calls from a particular phone are answered. For example, with the same IP Telephony call can:
• divert the call to a particular phone
• send the call directly to voicemail
Give a call or a busy signal.
Show a message or out of service