Wi-Fi calling facility is allowed only for call back to India
Incoming calls on Wi-Fi can be received from anywhere in the world at Re 1
Outgoing SMS over Wi-Fi is not allowed. All incoming text messages will be delivered without any charge
Voice Calling through Wi-Fi will be charged at Re.1 per minute to India
Video calls through Wi-Fi can be made on a Jio number only. You will be charged at Re.1 per minute plus the data deduction will happen from the data balance available in your base plan (The actual data usage of your video call may vary)
For IR 1202 pack iPhone users, Wi-Fi calling facility is available in limited countries
No, you would not be able to use video calling feature on International Roaming. However, if you are using any app to make the video call then you will be able to continue to do so provided you have kept the data roaming ON.