iPhone 13 (iOS 16.1) Strange WiFi calling behaviour in airplane mode (Video Attached)

Hi all,

Aim: Getting Jio WiFi and Airtel WiFi to work in Airplane mode.

I have done the following test -

#Jio WiFi and Airtel WiFi

#Broadband is Airtel Extreme Fiber.

The steps are -

Ensure WiFi calling is enabled and available.
Make a call, and turn on airplane mode.
WiFi call takes over and the call continues.
Accept the call, call continues.
Disconnect the call from the other phone, immediately the “Jio WiFi/Airtel WiFi” goes off.
You can no longer make a call (asks to disable airplane mode).
Disable airplane mode, both Jio WiFi and Airtel WiFi comes back.

Demonstration Video: https://www.youtube.com/shorts/-c65GfJ5wjY

Can some one else confirm if they too see this behaviour?

If so, is this a bug in iOS or is it something being done by Airtel/Jio?

I suspect this to be a bug coz, if Jio/Airtel was blocking this, the automatic takeover in airplane mode would not have happened.

Regards,

Priyabrata

iPhone 13, iOS 16

Posted on Nov 7, 2022 7:03 AM

Top-ranking reply

priyabratac Author

Level 1

13 points

Posted on Nov 27, 2022 11:58 PM

While playing around (still on iOS 16.1.1), I discovered that "Network Reset" is not needed. It works the first time after a reboot. Simply turn off your iPhone (ensure you are not on Airplane mode while turning it off). Turn it back again. Wait for the phone to detect network (Cellular and WiFi). Turn on Airplane mode. It works fine. Both Jio and Airtel WiFi calling works. I am using this hack for now. Let's see when this gets fixed, if at all.

Meanwhile, Jio in their website has mentioned that WiFi calling doesn't work in Airplane mode, like really Jio? So for the past 48 hours that I using Jio WiFi calling on Airplane mode is "Pure Magic" ?

Too much incompetence everywhere.

https://www.jio.com/help/faq/mobile/services/wifi-calling/can-i-use-wi-fi-calling-while-in-airplane-mode#/

To make matters worse, Jio mentions that WiFi calling in airplane mode works in their "Postpaid" connections. https://www.jio.com/help/faq/mobile/international-services/postpaid-ir-wi-fi-calling/can-i-use-wi-fi-calling-while-in-airplane-mode-under-jio-postpaid-plans#/

Like really Jio, so users who were / are using it in Prepaid is some kind of "black magic" ?

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iPhone 13 (iOS 16.1) Strange WiFi calling behaviour in airplane mode (Video Attached)

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