Free calls via IP voice: What are they and how does this new way of communicating work?

by Kelvin
Internet Paso a Paso

Undoubtedly, applications and the Internet are leaving behind all the past communication path. So much so that technological advances have already led to the much needed SMS, these being replaced by messengers such as WhatsApp, Telegram and others. But it is not the only thing, it also seeks to charge another victim, phone calls.

IP telephony could be considered as the future, one that aims to change the way you think about calls. If you have never heard this term, it may seem strange, but we anticipate that With this you could save a lot of your monthly bill.


To know more about her and not leave you wanting to know about its operation We have prepared this article for you, where we will detail everything you need to know.

What is telephony over Internet protocol and how does this technology work?

voIP "width =" 533 "height =" 400 "srcset =" 533w, 300x225.jpg 300w "data-lazy-sizes =" (max-width: 533px) 100vw, 533px "src =" "data-pagespeed-url- hash = "1593752586" onload = "pagespeed.CriticalImages.checkImageForCriticality (this);" /></p><p>Voice telephony over Internet protocol, better known as VoIP, originates from English Voice Over Internet Protocol, and it is not <strong>it's more than a communication technology</strong> where the signal travels through an IP protocol. Not how others work through a cable.</p><p>To explain you a little better, this works differently, because you no longer have a phone attached to the wall or attached to a table as it used to be if we don't have a mobile that works through the Internet, this is what we call VoIP. That is to say, <strong>It is the one that enables the use of networks as a means for voice transmission. </strong></p><h2><i class= What are the main advantages of using VoIP technology?

No doubt this offers great advantages, The most prominent of all is that it is very economical. As we mentioned earlier, you save a lot of money with it.

Well, the main difference between traditional telephony and VoIP is that the first one is based on distance and time of use, so the longer it is and the longer it will be, the more expensive it will be. In contrast, the second is based solely on the exchange of data via the Internet.

This taking into account that a normal call requires several switchboards connected to each other by means of an optical fiber and satellites, using exclusive circuits to carry out a conversation, which translates into greater expense.

On the contrary of VoIP, where we are compressing the voice signal and using a packet network when necessary. Packages of different calls that can travel through the same network at the same time without any interference and at a lower cost.

Another benefit is that this allows you to turn make calls from anywhere, Of course, as long as there is a connection to the broadband network.

It also offers numerous services where we can mention, call waiting services, call up to 3 lines, caller ID, among others.

As if that were not enough, it is beneficial for any operator, reduces cost and improves scalability using standard data network components, makes it possible to develop a converged network for all types of communication, It offers high quality telephone and much more.

What requirements must my mobile meet to make IP calls?

The necessary requirements that a mobile must have to be able to make IP calls are virtually non-existent

Basically having a smart mobile phone is enough, since at least the device must have the Android 2.2 operating system.

Now if we talk about general requirements, in theory we must have a virtual or physical line, and an account in an operator with Voip services.

Which operators include Internet voice service in their rates?

Now we will see a list of the operators that present a better service regarding VoIP with their respective rates:

  • Telefacil 6.05 Euros per month.
  • Monema 9.50 Euros per month.
  • IP world 7.50 Euros per month.
  • Vozelia 19.00 Euros per month.
  • Telsome 4.13 Euros per month.
  • Netelip 9.95 Euros per month.
  • Voice 8.90 Euros per month.
  • Speaker 4.9 cents per minute.
  • Servitux 5.00 Euros per month.
  • Sarenet 5.00 Euros per month.

What alternative methods to VoIP exist to make free calls?

Then, We will see some of the best existing alternatives for VoIP calls:

WiFi Calling

Wifi calling

This technology is not very common, but it is by far one of the ones that promises more in the future At least for the users.

Since it gives the user to have a mobile with this function, of the ability to call and receive calls being in remote sites and that only have a WiFi connection, either to a home router or larger scale.

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The most interesting thing about this is that the other person who receives the call does it as if it were a normal one. The same happens when a user calls you with a common call, but If we are with WiFi Calling the other user will not even notice.

It should be noted that most of the latest generation mobile phones already have this option integrated in their system. Older ones can only acquire it through a software update, this is because it is a function that is integrated and not as an app that can be downloaded.

WiFI Calling It is an excellent alternative for normal calls and IPs.


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In theory it is much lighter than the others since it has higher data compression rates. However, It has some limitations that are worth knowing, And it is that you can only make calls of this type with devices that have the same data operators.

Further, there is the fact that the connection may fall because the 4G network is not yet established in many places and its operation is different from the previous networks.


skype "width =" 630 "height =" 385 "srcset =" 630w, skype-1-300x183.jpg 300w "data-lazy-sizes =" (max-width: 630px) 100vw, 630px "src =" " data-pagespeed-url-hash = "92859108" onload = "pagespeed.CriticalImages.checkImageForCriticality (this);" /></p><p>This is the Internet voice technology designed by the great company of Microsoft, from its beginnings to the present day it has always been characterized by an excellent service only surpassed in users by the newest messaging managers.</p><p>But still it is still a<strong> Very good technology for Internet calls.</strong></p><h3>  WhatsApp</h3><p><img class=

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