VoLTE: What are voice calls over LTE and how do they work?

Long Term Evolution (LTE) mobile technology or also known as the fourth generation of mobile networks (4G)offers a wide range of improvements over all previous generations of mobile phone network. That is how the 4G network has included in your system a communications channel dedicated to voice calls.

Therefore, with the use of all this LTE technology we can get one higher quality in each of the calls that we do This is how this technology was initially created as a standard for mobile data transmission.

All of this is known as VoLTE and its main purpose is to be able to provide the ability to use this service to manage voice calls. Bearing this in mind, here we teach you a little more about all this telephony service.

What are 4G calls and what is this technology for?

All of this has become a mobile network upgrade that provides its users with a greater advance in what calls are, thus offering a better sound quality, faster call setup and the possibility of power surf in 4G+ at maximum speedeven if the device is in a call.

East 4G service It does not present any type of additional cost for its users. But it is simply a network improvement so that it can be enjoyed by all at the time of call and use the data according to the plan of each telephone operator.

What are the main advantages and disadvantages of VoLTE?

Taking all of the above into account, we can see that this telephony service provides great advantages to each of its clients, allowing them to obtain greater benefits when using your mobile deviceespecially when you want communicate with third parties.

However, it is important to mention that this has also caused Some inconvenients which are essential to keep in mind. According to this, here we present What are the main advantages and disadvantages of VoLTE?

Advantage

All this technology has been used mainly to provide greater comfort to users of mobile phoneswhere they have been able to count on a series of benefits It helps them improve their experience.

According to this, here we present what are the main advantages that this offers:

high definition voice

It can be said that the main advantage of all this is deliver high-definition voice in each of the calls, this is how it is mainly in charge of improve sound quality.

This new change that has been used, the services of calling other operators will go from having a 8 kbps codec to have up to a 13kbps. To all this, we must add what are the compression improvements going from 300-3400Hz to 50-7000Hz.

Offers greater battery savings

All this technology will begin to offer a new system that will provide each user with a battery saver on your devices.

Higher speed connections

The time of establishment of calls It will be a lot fasterlike Internet browsing.

Last level communication service

Basically this will offer the possibility to switch between voice and video calls, as well as send images or location information through a system of gps.

Call over Wi-Fi

Other great advantages that we can find with this whole system is being able to call through a wireless connection. This translates into a data rate savings and of great help for those moments when you do not have the carrier coverage or is it out of the country.
Disadvantages

Taking into account all the advantages that this offers, it is important to mention that there are also some disadvantages that we must take into account and which we present below:

limited service

Until now, 4G technology is a bit lackingalthough it is true, these networks have a greater extension every day, but today, they are still little extensive. This is how even this type of networks are not found in all the spanish territoryThe same is happening in the vast majority of countries.

Little compatibility with telephone operators

Another drawback that can be found is that even it is not compatible with the majority of telephone companies on the market. This has caused the VoLTE calls They can only be made between users of the same operator.

Poor device compatibility

It is also important to mention that so far not all devices are compatible with this service, which means that a large part of the people cannot use it.

VoLTE vs VoWiFi vs VoIP Which is better and how are they different?

All of them are standards that by their names may seem very difficult to understand. However, it is quite the opposite, each one is very well specified about what function fulfills and it is that they all have the same purpose and that is help improve call quality and the user experience.

According to this, here we show you what are the differences of each of them and which is considered the best:

VoWiFi

VoWiFi is a open standard technology which offers a call realization through a wireless connectionwithout the need of have mobile coverage. This is how it allows the phone to redirect calls through a broadband connection.

The advantage of this whole system is that it allows call and send SMSwhere there are problems with coverage such as in basements, under bridges, tunnels, raised floors, among others. All this is possible as long as you have a broadband connection.

VoIP

Also know as voice calls over IP, this service is found SIP-based which is also known as the “Session initiation protocol” using a service IP packet data. This type of technology is used by platforms such as Skype.

Unlike other systems, in this case it is not necessary to have a SIM card to be able to call, but if you require a IP connection make use of mobile data or WiFi to access web browsing.

VoLTE

As we already know, VoLTE is a standard that allows calling using the 4G network of an operator, where you can get a better quality in the audio of the transmission. It is necessary that it be found in both phones, both in the sender and receiver.

Currentlythe VoWiFi network is considered the best among these three, having more access in those places where the coverage of the local operator does not reach and more recognition before the majority of users.

What operators in Spain offer Voice over LTE?

It is important to note that this technology will basically depend on the telephone operator, whether he has included it in his system or not. Therefore, here we are going to mention what they are the operators of Spain that have LTE. This will be essential to know when wanting buy a smartphone to use this technology.

For this we must acquire equipment from the following companies:

• Yoigo: It offers its clients this service, thus presenting an update of their base stations to use part of its spectrum in 800MHz for LTE.
• Orange: In the case of Orange, it has 800MHz for the marketing of LTE, reserving part of its spectrum in 800MHz where it also has 2.6GHz
• Movistar: According to all the investments of this company, it has been conditioning all its services on LTE to make her one band at 800 MHz, in order to quickly spread the new networks and thus obtain a greater reach.
• Vodafone: This company has experienced the same as Movistarhave decided to take much of your investments in LTE in order to get access to new networks and achieve a greater reach for its users.

List of devices with support for 4G calls that you can buy

As mentioned above, not all mobile devices count on capacity or support for this type of network. In this way, here we are going to introduce you the main types of smartphone capable of supporting 4G networks so you can start acquiring them and enjoy these services.

Take note of the list that we provide below:

Samsung

Being able to enjoy this type of network will basically depend on the device you have, depending on it you will be able to have a higher or lower speed in 4G. Currently, Samsung has been considered as the telecommunications company that offers the best download speeds in 35% of the countries where it is operational.

In the case of Spain, Samsung is considered one of the fastest companies in this type of technology, obtaining a advantage of 2.9 Mbps faster than the competition. The same happens in other countries such as Norway, the United States, among others.

iPhone

iPhone devices have had constant updates by their operators that allows their customers to have a highly updated system for their nets and settingss related to improve mobile performance and connectivity.

It’s like these iPhone devices has updates capable of offering LTE technology or calls over WiFi completely free.

huawei

Huawei mobile equipment they have not been left behind, quite the contrary, they were one of the first to apply this fourth generation network service. This in order to offer you best services to your customersas well as a faster connection.

In the case of these devices, nothing seems to change, since shortly after launching what will be the fifth generationwhich is estimated to be at least 10 times faster than the fourth generationthe teams of huawei They are already signing up to be one of the first to have this type of network.

Sony

Finally, sony devices have been faithful to this type of technology, this is how most of these teams have this type of service in order to have greater benefits when calling or surfing the Internet.

Another very good option if you want to acquire some cell phone that is capable of supporting this technology Fourth generation and you can achieve greater navigation and signal ranges.

What alternatives to 4G voice exist to call for free?

Considering that not all devices can make use of VoLTEnor all mobile phone companies have this type of service, there are other alternatives available on the market that will help us achieve free calls and which we show you below.

VoWiFi

VoWiFi has become the new function for make and receive calls over a Wi-Fi network from your smartphone. Best of all, you don’t need to have mobile coverage for this, for which it will be able to work inside and outside the country of origin. For its operation, it is only required to use a wireless connection with a good signal.

This tool has been ideal for those places where the coverage of the operators does not arrive, in tunnels, underground places, airports and in many other places where signal problems occur. In addition, the person receiving the call does not need to have a data or VoWiFi connection.

WhatsApp

The instant messaging app whatsapp messenger It also has a function to call your other contacts from the app for free. In addition, you can make video calls or voice only at no additional cost to your current plan.

This function can be performed from any country as long as you have a wireless connection or a data plan. A simple and fast way to communicate with your family and friends regardless of location.

Telegram

Telegram is known as an app instant messaging like whatsapp messenger. Previously this app did not allow calling other contacts, however with your latest version 3.18 update This option has been enabled so that the members of this app can interact with each other through the voice calls.

So far, everything seems to work very well, where it is characterized by presenting a very good audio quality, a stable and secure connection. All this has led it to become other options for call free.

Hangouts

Hangouts has become one of google apps which enables to call completely free since your smartphone, it does not matter if the recipient resides in your same country or a different one. It has been designed primarily to compete with other applications such as Skype, Line or WhatsApp.

FacebookMessenger

Last we have FacebookMessenger, who has also added to their conversations the option to call to other contacts of the social network for free. To be able to call through this platform, you only need to have a Internet connection or by data if you have a unlimited data plan. It is currently considered a very good option which has a excellent audio quality and connection stabilitythus preventing them from suffering audio loss during transmission.