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Tips & Tricks

[Q&A] VoWiFi Calling Feature Frequently Asked Questions | Is VoWiFi FREE of Cost?

2019-12-26 02:21:23
5745 38

Hello Mi Fans,
VoWi-Fi simply stands for voice over (EPC-integrated) Wi-Fi. VoWi-Fi is a complementary technology to VoLTE and utilizes IMS technology to provide a packet voice service that is delivered over IP via a Wi-Fi network. Where possible, VoLTE calls may be seamlessly handed over between LTE and Wi-Fi and vice versa. Conversational video is also possible via Wi-Fi. Thus, we have come up with a detailed FAQ so that you get can get answers to all your questions in one place. In case you feel something remains unanswered then do reply below in the comment section.

Q1: What is a Wifi Calling?
Wifi Calling is a High Definition (HD) Voice Service that uses a High-Speed Internet Connection to let you make and receive calls over a Wifi Network.

Q2: Can I use a Wifi Calling when I'm having problems like dropped calls and poor signal strength?
Yes, if you're facing the issue like dropping calls or can't connect due to weak cellular network signal coverage turn on your device's Wifi Calling feature and continue your calls.

Q3: If You Need a Sim for Wifi Calling?
Yes, if you need to enable or use a Wifi Calling feature the sim is a must.

Q4: Wifi Calling is Free of Cost?
No, Wifi Calling is Not Free of Cost.

Q5: How Much Does Wifi Calling Cost?
The Wifi Calling Feature is available at No Additional Charges and is included in your existing monthly voice plan. And No Extra Charges for Using the Wifi Calling.

Q6: What are the Devices Models are Supporting the VoWifi Calling Feature?
Here is the list of Airtel Vo-Wifi supported smartphones:
Redmi K20
Redmi K20 Pro
Samsung S10
Samsung Electronics
Samsung S10+
Samsung Electronics
Samsung S10e
Samsung Electronics
Samsung M20
Samsung Electronics
Samsung J6
Samsung Electronics
Samsung A10s
Samsung Electronics
Samsung On6
Samsung Electronics
OnePlus 6 and 6T
OnePlus 7
OnePlus 7T
OnePlus 7T Pro
iPhone 6s and above
Apple Inc.

Q7: How to Enable a Wifi Calling on My Android Device?
  • Go to Settings - Sim Card & Networks - Airtel Sim - Use VoLTE - Turn on.
  • Your WiFi call settings should be activated.
  • Go to Settings - Sim Card & Networks - Airtel Sim - Make Calls using WiFi - Turn on

Q8: Places Where the Wifi Calling Working?
Airtel Vo-WiFi
Jio Vo-WiFi
Tamil Nadu
Andhra Pradesh

Q9: Can I Send Text Messages over Wifi?
Yes, you can able to send the SMS over wifi but it Requires Cellular Coverage.

Q10: Are there any minimum requirements for my network to support Wifi Calling?
Yes, the minimum download speed of 1Mbps Is Required to Support Wifi Calling.

Q11: How do you know if you are using a Wifi Calling?
On Most Devices, the wifi calling icon will display in the status bar when the service is ready to be used.  

Q12: VoLTE and VoWifi are the Same Technology?
Yes, both are under the same technology concept.

All Information regarding the Circles and Devices Eligible for Vowifi Calling are Updated on 25.12.2019

Thank you very much for reading. I hope the list of Frequently Asked Questions (FAQ) answered has been informative and helpful.


Moderated By Deeptesh on 26.12.2019


Number of participants 1 Experience +5 Pack Reason

View Rating Log

2019-12-26 02:21:23
Favorites14 RateRate

Rookie Bunny

Darker00 | from Redmi K20 Pro


can you show me picture for the voice over Wi-Fi icon in redmi k20 pro
2019-12-26 03:52:51

Advanced Bunny

1739759009 | from Redmi Note 7S


Redmi note 7s vowifi calling
2019-12-26 04:44:47

Pro Bunny

SharkSurya Author | from Redmi Note 4


can you show me picture for the voice over Wi-Fi icon in redmi k20 pro

Sure I will Update Soon in the Thread !
2019-12-26 04:54:36

Pro Bunny

SharkSurya Author | from Redmi Note 4


Redmi note 7s vowifi calling

No Information about that
2019-12-26 04:54:53

Semi Pro Bunny

akhard | from Redmi Note 7 Pro


thnks for sharing.
2019-12-26 05:11:12

App Review Team

Maji George | from Redmi 6 Pro


2019-12-26 06:32:04

Pro Bunny

SharkSurya Author | from Redmi Note 4


Maji George

2019-12-26 06:43:01

Rookie Bunny

NagendraReddy.C | from Redmi Note 7 Pro


any one not appear the option please dial *#*#869434#*#*
2019-12-26 07:00:45

Rookie Bunny

NagendraReddy.C | from Redmi Note 7 Pro


any one not appear the option please dial *#*#869434#*#*

for note 7 pro also it working
2019-12-26 07:04:19
5167327421 replied at 2019-12-26 14:22:51
can you show me picture for the voice over Wi-Fi icon in redmi k20 pro

2019-12-26 08:10:03
Deeptesh Biswas

MIUI Moderator, Mi Community India
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