WiFi calling/ Vowifi FAQ
1.Q: What is WiFi calling/ Vowifi?
A: The phone has installed operator SIM card that supports the WiFi calIing/ VowifI function, after phone enable this function,the phone calls out via the WiFi when connected to the WiFi network environment.
2.Q: Does it support to use this function on phones that support WiFi Calling/Vowifi without a SIM card?
A: No,you have to install a SIM card that supports this function.
3.Q:If the mobile phone install a SIM card that supports this function, does it support to use this function normally in airplane mode?
A: Yes.
4.Q: Do SIM cards of both callers need to be enabled this fuction when using WiFi Calling/Vowifi?
A: No,It just needs one caller to enable.
5.Q: When phone has connected to normal mobile network and WiFi network, does it prefer mobile or WiFi network for WiFi Calling/Vowifi calls?
A: WiFi network.
6.Q: How to turn on WiFi Calling/VowifI in the MIUI system?
A: Method 1:Settings < SIM Cards & Mobile Networks < SIM Card Settings < Make Calls using WLAN
Method 2: Enter the Vowifi code: *#*#869434#*#*.
A: The phone has installed operator SIM card that supports the WiFi calIing/ VowifI function, after phone enable this function,the phone calls out via the WiFi when connected to the WiFi network environment.
2.Q: Does it support to use this function on phones that support WiFi Calling/Vowifi without a SIM card?
A: No,you have to install a SIM card that supports this function.
3.Q:If the mobile phone install a SIM card that supports this function, does it support to use this function normally in airplane mode?
A: Yes.
4.Q: Do SIM cards of both callers need to be enabled this fuction when using WiFi Calling/Vowifi?
A: No,It just needs one caller to enable.
5.Q: When phone has connected to normal mobile network and WiFi network, does it prefer mobile or WiFi network for WiFi Calling/Vowifi calls?
A: WiFi network.
6.Q: How to turn on WiFi Calling/VowifI in the MIUI system?
A: Method 1:Settings < SIM Cards & Mobile Networks < SIM Card Settings < Make Calls using WLAN
Method 2: Enter the Vowifi code: *#*#869434#*#*.
Does it help?
Yes
No