What is the VoWiFi calling service, what is it for and how does it work?

Who I am
Pavel Yosifovich
@pavelyosifovich
Author and references

What is the VoWiFi calling service, what is it for and how does it work?

The interactive experience of users and their mobile phones is critical to the success of telecom operators. For this reason a service called VoWiFi with the aim of ensuring quality calls despite the device having a low signal.

What is VoWiFi calling service?

VoWiFi o Voice Over Wi-Fi is the evolution of VoIP technology which is based on making voice calls over IP. In the case of VoWiFi, wireless connectivity is made for making and receiving calls over the WiFi network.



This service promises to be very useful and does not require the installation of any additional application because it works directly with the WiFi network available for a mobile (Smartphone).

A clear example of this is found when making free calls from a telephone over the Internet. Undoubtedly it is one of the new forms of communication that every day becomes more relevant in everyday life.

With VoWiFi it is possible to make and receive quality calls because the telephone coverage is increased without requiring any additional payment. In this way, this technology maintains connectivity even when the device is indoors where the signal strength tends to decrease.

What is the VoWiFi calling service for?

VoWiFi is a service used to create an interconnection between devices using the WIFI network. In fact, users can make and receive calls when they are in places with low signal.

VoWiFi was created to provide a better user experience through quality calls. Cell phones are sometimes used in interior areas where coverage is not the most adequate; then the user needs an option that allows him to stay logged in.



In this sense, Voice Over WiFi technology is especially advantageous in those moments when the signal is null and it is not possible to make a traditional call, as it allows you to call a mobile phone for free over the internet.

How does the VoWiFi calling service work?

For the VoWiFi calling service to work, you need to access a WiFi network. Once connected to this network, the call is made using the telephone keypad. The device checks if it has a good mobile signal and if not, activates the VoWiFi service.

It is important to check if your carrier offers this service. Also, you should know that the VoWiFi it just works when the WiFi connection is active.

Learn more about the VoWiFi calling service

To take advantage of the VoWiFi call service you must have a device compatible with the 4G VoLTE network (preferably) and an updated operating system. The person receiving the call does not need to have the service or a WiFi connection.


Finally, you should know that the call quality will depend on the ISP providing the WiFi connection. And also You can share data from a mobile phone (tethering) and make the call with VoWiFi.

Approximately 96 kbit / s of bandwidth is required to access the service. On the other hand, it is necessary that the equipment has a reception level of -122dBm or less for the handover to take place. This process consists of automatically switching from a mobile network to a WiFi network .


As you may have noticed, this type of technology is increasingly relevant, but the world of calling continues to evolve. It is now also possible to make and receive international calls with Google Voice and many other large companies are moving towards this type of service.

add a comment of What is the VoWiFi calling service, what is it for and how does it work?
Comment sent successfully! We will review it in the next few hours.