Understand Wifi Calling within few mins.

wifi calling

Voice over WiFi (VoWiFi) allows users to make calls over a wireless internet connection as opposed to using a cellular network. Rapidly expanding availability to broadband internet access especially in homes coupled with the widespread use of Smartphones that are increasingly WiFi-enabled right out of the box are fueling demand for VoWiFi.

WiFi calling is like a regular calling from your cellphone, except your carrier routes the call over WiFi network instead of its cellular network. When you call, your phone switches to a wifi network, and you don’t have to do anything.

At a high level, there are 3 primary components within a VoWiFi communications framework; the WiFi network, the user’s device, and the communication provider’s infrastructure.

The importance of voice in the operator

The evolution of mobile networks from 2G to 4G and 5G in the future has been heavily focused on data, but the voice remains a core of mobile network operator’s (MNO’s) business model. This is the fact that mobile voice is becoming more enhanced due to the competition from internet services like Skype, and is offered on an unlimited, or even free.

  • Challenges in deploying 4G voice

Any service provider wanting to offer voice services is facing a lot of change in architecture. Fixed-line operators need to support voice calls over wireless networks as their landlines are outdated for this purpose. This involves an investment in WiFi network providers with Cellular companies so that both of them will perform their operations in an effective manner.

  • The emergence of WiFi Calling

WiFi Calling is an extension of the 3GPP’s evolved packet core (EPC) architecture which allows any WiFi network to access the EPC via a gateway at the border between the public internet and the operator domain.

How to set WiFi calling on iPhone?

Make sure that WiFi is switched on and that iOS is updated.

wifi calling
  1. In your settings, go to Cellular.
  2. Select WiFi Calling.
  3. Switch on the “WiFi calling ” option.
  4. Select “Enable” when you see the popup.
  5. Follow the instructions to register your emergency address and accept Terms and Conditions of WiFi calling.

How much does WiFi calling cost?

WiFi calling doesn’t cost anything extra. Network Carriers treat your WiFi calls as simple calls like when you do a regular cellular call. So whatever rates and expenses apply to your standard cell calls will likewise apply to your Wi-Fi calls, including deducting call minutes from your month to month distribution in the event that you don’t have an unlimited plan and if you are connected with your WiFi then there will no deduction.

How to use Wi-Fi calling?

wifi calling

If you are using a Jio or Airtel SIM, you can connect to any broadband network and make unlimited calling without incurring extra charges. To make calls over Wi-Fi network, you will need to activate Wi-Fi calling feature on your phone and you must have to connect your device with a WiFi network that has a good signal strength after this now you can experience VoWiFi just like you normally make calls.

WiFi Calling v/s Cellular Calling

Considering that free public WiFi hotspots are popping up everywhere, WiFi calling will become easier and easier to utilize.

wifi calling

However, experts specify that we’re not quite ready to switch exclusively to WiFi calling. For now, the technology behind WiFi call still requires a relatively strong and fast WiFi signal; furthermore, the quality of a WiFi signal can weaken if lots of people are trying to connect to the same WiFi network.

Hopefully, these issues will eventually be eliminated as the technology improves, especially considering WiFi calling’s big splash in the wireless world thus far.

How does WiFi calling work?

WiFi calling permits the clients to utilize the encompassing WiFi associations with flawlessly making and get calls (voice and video)when the phone organize is frail. In case of poor mobile network, the device automatically switches from the cellular network to WiFi (if the device supports WiFi calling) and you can continue your calls without facing any kind of issue.

Operator advantages of WiFi Calling

WiFi Calling can be an effective solution in many cases of voice challenges-

  • Mobile operators can customize WiFi Calling supplementing their own coverage and capacity with a lower cost complementary network
  • Simple user experience, as it uses a native dialer, not an app, and users can keep their mobile number.
  • Wi-Fi Calling is useful when you’re in an area with poor or low cellular coverage.
  • Calls can be conducted over any Internet-accessible devices.
  • Improve indoor connectivity
  • Lower battery consumption
  • No new/extra applications required

What are the disadvantages of WiFi calling?

  • Inadequate signal strength
  • Some devices don’t support WiFi calling
  • Data usage fees may apply

How to make calls when Jio Wi-Fi Calling is enabled?

  • After setting up the Wi-Fi Calling, you will have to follow the same process as in standard voice calls.
  • Your phone will automatically switch between Wi-Fi and cellular network to provide you a smooth calling experience.

What are the charges of Jio Wi-Fi calling?


According to Jio, the calling facility is free of charge and is included as part of your existing plan and the user has to fulfill the basic conditions for the WiFi calling and any calls to Indian numbers are free of charge, but calls to international numbers will be charged as per “International Calls” rates. You can also make a Wi-Fi call during roaming but the International rates vary from country to country.

When will Vodafone WiFi calling feature will come to India?

Vodafone is the only telecom operator that provides services in international territories as well as India. While Vodafone WiFi calling has already been existing in the UK and Australia.

Recently the Airtel had launched the WiFi calling feature for their Prepaid/Postpaid customers, so to balance the competition very soon the Vodafone will launch this facility in India also.

The Wi-Fi calling is free. You don’t have to pay Jio or Airtel anything extra to get it. In fact, Wi-Fi calling because it will help them to decrease the load from their cellular network.

Why WiFi calling feature is not working on my phone?

If WiFi Calling is not working on your phone, you must check below mentioned points:-

  • Feature not enabled in the device
  • The device doesn’t support WiFi calling
  • Device not connected to a WiFi network
  • Poor internet connection

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